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Premium Marine Quality Parts

Results 1 - 534 of 534
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=S Capped Thru-Hull 3/4 - 520821 - 354-520821F1

Sea-Dog Line, Thru-Hulls & Seacocks
$28.99

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1 1/2 Thru Hull Connection - 0350008Dpp - 9-0350008Dppf1

Perko, Thru-Hulls & Seacocks
$307.99
Available in plain or chrome plated bronze, these fittings have a hose barb connection and are recommended for use above the waterline only. The flange is machined to fit the hull tightly and grooved ... More Details

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1 1/4"Flush Thru Hull Connect - 0331Dp7Plb - 9-0331Dp7Plbf1

Perko, Thru-Hulls & Seacocks
$197.79

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1 Thru Hull Connection Bulk - 0328Dp6 - 9-0328Dp6F1

Perko, Thru-Hulls & Seacocks
$27.99
Molded white plastic with broad flange. For use with hose. Not recommended for use below waterline.... More Details

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1 Thru Hull Connection Chr - 0350006Dpc - 9-0350006Dpcf1

Perko, Thru-Hulls & Seacocks
$144.89
Available in plain or chrome plated bronze, these fittings have a hose barb connection and are recommended for use above the waterline only. The flange is machined to fit the hull tightly and grooved ... More Details

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1 Thru Hull Connection Plb - 0350006Dpp - 9-0350006Dppf1

Perko, Thru-Hulls & Seacocks
$165.09
Available in plain or chrome plated bronze, these fittings have a hose barb connection and are recommended for use above the waterline only. The flange is machined to fit the hull tightly and grooved ... More Details

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1-1/2 Thru Hull Connection - 0328Dp8 - 9-0328Dp8F1

Perko, Thru-Hulls & Seacocks
$37.19
Molded white plastic with broad flange. For use with hose. Not recommended for use below waterline.... More Details

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1-1/2 Thru Hull Connection C - 0350008Dpc - 9-0350008Dpcf1

Perko, Thru-Hulls & Seacocks
$364.39
Available in plain or chrome plated bronze, these fittings have a hose barb connection and are recommended for use above the waterline only. The flange is machined to fit the hull tightly and grooved ... More Details

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1-1/2 X-Long Thru Hull-White - Th1502Xlb - 232-Th1502Xlbf1

T-H Marine, Thru-Hulls & Seacocks
$19.69
High Quality UV and Chemical Resistant Virgin PolyproSized to Fit All Marine Hose... More Details

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1-1/2" Bronze Intake Strainer - 00Is150 - 379-00Is150F1

Buck Algonquin, Thru-Hulls & Seacocks
$391.89
Cast bronze w/nut.... More Details

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1-1/2" Bronze Seacock Body - 0805008Plb - 9-0805008Plbf1

Perko, Thru-Hulls & Seacocks
$899.99
Ball valve design. Cast bronze. Meets needs of applications that require long, scoop or flush type thru-hulls.... More Details

Includes: thru-hull, hose adapter, drain plug, four pre-drilled mounting holes and bonding screw. Incorporates a plastic ball and seat assuring a tight seal and ease of operation and drain plugs for w... More Details

Includes: thru-hull, hose adapter, drain plug, four pre-drilled mounting holes and bonding screw. Incorporates a plastic ball and seat assuring a tight seal and ease of operation and drain plugs for w... More Details

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1-1/2" Intake Water Strainer - 0493008Plb - 9-0493008Plbf1

Perko, Thru-Hulls & Seacocks
$1,774.39
Cast bronze. Designed for easy installation and cleaning. Features mounting lugs cast into both sides to assure universal mounting, four outside tie rods and a 316 stainless steel strainer basket to m... More Details

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1-1/2" Scoop Thru-Hull W/Nut - Sth-150-W - 34-Sth150Wf1

Groco, Thru-Hulls & Seacocks
$136.09
Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

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1-1/2" Thru-Hull With Nut - Th-150-W - 34-Th150Wf1

Groco, Thru-Hulls & Seacocks
$100.69
Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

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1-1/4" Bronze Intake Strainer - 00Is125 - 379-00Is125F1

Buck Algonquin, Thru-Hulls & Seacocks
$327.49
Cast bronze w/nut.... More Details

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1-1/4" Bronze Seacock Body - 0805007Plb - 9-0805007Plbf1

Perko, Thru-Hulls & Seacocks
$637.89
Ball valve design. Cast bronze. Meets needs of applications that require long, scoop or flush type thru-hulls.... More Details

Includes: thru-hull, hose adapter, drain plug, four pre-drilled mounting holes and bonding screw. Incorporates a plastic ball and seat assuring a tight seal and ease of operation and drain plugs for w... More Details

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1-1/4" Intake Water Strainer - 0493007Plb - 9-0493007Plbf1

Perko, Thru-Hulls & Seacocks
$1,078.59
Cast bronze. Designed for easy installation and cleaning. Features mounting lugs cast into both sides to assure universal mounting, four outside tie rods and a 316 stainless steel strainer basket to m... More Details

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1-1/4" Scoop Thru Hull W/Nut - 0065Dp7Plb - 9-0065Dp7Plbf1

Perko, Thru-Hulls & Seacocks
$341.39
Cast bronze. Screw size is #8. Strainer is 3" x 4", except for 65DP7PLB which is 3-1/4" x 4-1/4". Includes nut. UL Listed. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

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1-1/4" Thru-Hull With Nut - Th-125-W - 34-Th125Wf1

Groco, Thru-Hulls & Seacocks
$77.99
Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Includes: thru-hull, hose adapter, drain plug, four pre-drilled mounting holes and bonding screw. Incorporates a plastic ball and seat assuring a tight seal and ease of operation and drain plugs for w... More Details

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1-1/8 Chr Thru-Hull F/Hose - 035006Adpc - 9-035006Adpcf1

Perko, Thru-Hulls & Seacocks
$141.99
Available in plain or chrome plated bronze, these fittings have a hose barb connection and are recommended for use above the waterline only. The flange is machined to fit the hull tightly and grooved ... More Details

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1-1/8 Ql Elbow Thru-Hull Blk 15/08 - Ma-042-Qlb - 81-Ma042Qlbf1

Flow Rite, Thru-Hulls & Seacocks
$10.29

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1-1/8 Thru Hull Connect Bulk - 0328Dp6A - 9-0328Dp6Af1

Perko, Thru-Hulls & Seacocks
$29.39
Molded white plastic with broad flange. For use with hose. Not recommended for use below waterline.... More Details

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1-1/8" White Plastic Thru-Hull W/Broad Flange - 18090 - 50-18090F1

Seachoice, Thru-Hulls & Seacocks
$13.09
Molded plastic with broad flange. Per ABYC "Safety Standards for Small Craft". Not recommended for use below the waterline.... More Details

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1" Bronze Intake Strainer - 00Is100 - 379-00Is100F1

Buck Algonquin, Thru-Hulls & Seacocks
$135.69
Cast bronze w/nut.... More Details

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1" Bronze Seacock Body - 0805006Plb - 9-0805006Plbf1

Perko, Thru-Hulls & Seacocks
$576.89
Ball valve design. Cast bronze. Meets needs of applications that require long, scoop or flush type thru-hulls.... More Details

Includes: thru-hull, hose adapter, drain plug, four pre-drilled mounting holes and bonding screw. Incorporates a plastic ball and seat assuring a tight seal and ease of operation and drain plugs for w... More Details

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1" Intake Water Strainer - 0493006Plb - 9-0493006Plbf1

Perko, Thru-Hulls & Seacocks
$1,027.49
Cast bronze. Designed for easy installation and cleaning. Features mounting lugs cast into both sides to assure universal mounting, four outside tie rods and a 316 stainless steel strainer basket to m... More Details

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1" Scoop Thru Hull W/Nut - 0065Dp6Plb - 9-0065Dp6Plbf1

Perko, Thru-Hulls & Seacocks
$263.59
Cast bronze. Screw size is #8. Strainer is 3" x 4", except for 65DP7PLB which is 3-1/4" x 4-1/4". Includes nut. UL Listed. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

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1" Scoop Thru-Hull W/Nut - Sth-100-W - 34-Sth100Wf1

Groco, Thru-Hulls & Seacocks
$85.09
Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

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1" Strainer 304 Ss Basket - Arg-1000-S Bspp - 34-Arg1000Sbsppf1

Groco, Thru-Hulls & Seacocks
$620.69
Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

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1" Thru-Hull With Nut - Th-100-W - 34-Th100Wf1

Groco, Thru-Hulls & Seacocks
$46.79
Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Includes: thru-hull, hose adapter, drain plug, four pre-drilled mounting holes and bonding screw. Incorporates a plastic ball and seat assuring a tight seal and ease of operation and drain plugs for w... More Details

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1/2 Thru Hull Connection - 0328Dp4 - 9-0328Dp4F1

Perko, Thru-Hulls & Seacocks
$11.99
Molded white plastic with broad flange. For use with hose. Not recommended for use below waterline.... More Details

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1/2" Intake Water Strainer - 0493004Plb - 9-0493004Plbf1

Perko, Thru-Hulls & Seacocks
$708.19
Cast bronze. Designed for easy installation and cleaning. Features mounting lugs cast into both sides to assure universal mounting, four outside tie rods and a 316 stainless steel strainer basket to m... More Details

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1/2" Scoop Thru Hull W/Nut - 0065Dp4Plb - 9-0065Dp4Plbf1

Perko, Thru-Hulls & Seacocks
$146.19
Cast bronze. Screw size is #8. Strainer is 3" x 4", except for 65DP7PLB which is 3-1/4" x 4-1/4". Includes nut. UL Listed. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

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1/2" White Plastic Thru-Hull W/Broad Flange - 50-18011 - 50-18011F1

Seachoice, Thru-Hulls & Seacocks
$10.69
Molded plastic with broad flange. Per ABYC "Safety Standards for Small Craft". Not recommended for use below the waterline.... More Details

Dual frequency (50/200kHz) transducer is specially designed to provide a vertical beam without a fairing block. Inside the housing, the ceramic element is tilted to provide built-in deadrise compensat... More Details

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2 Ips Intake Water Strainer - 0500010Plb - 9-0500010Plbf1

Perko, Thru-Hulls & Seacocks
$6,104.99


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2-1/2 Intake Water Strainer - 0493010Plb - 9-0493010Plbf1

Perko, Thru-Hulls & Seacocks
$2,419.59
Cast bronze. Designed for easy installation and cleaning. Features mounting lugs cast into both sides to assure universal mounting, four outside tie rods and a 316 stainless steel strainer basket to m... More Details

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2" Bronze Seacock Body - 0805009Plb - 9-0805009Plbf1

Perko, Thru-Hulls & Seacocks
$1,623.29
Ball valve design. Cast bronze. Meets needs of applications that require long, scoop or flush type thru-hulls. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

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2" Exhaust Thru-Hull, Black W/Flapper - 1200301 - 383-1200301F1

Centek, Thru-Hulls & Seacocks
$163.89

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2" Exhaust Thru-Hull, White W/Flapper - 1200300 - 383-1200300F1

Centek, Thru-Hulls & Seacocks
$163.89

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2" Intake Water Strainer - 0493009Plb - 9-0493009Plbf1

Perko, Thru-Hulls & Seacocks
$2,407.99
Cast bronze. Designed for easy installation and cleaning. Features mounting lugs cast into both sides to assure universal mounting, four outside tie rods and a 316 stainless steel strainer basket to m... More Details

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2" Strainer 304 Ss Basket - Arg-2000-S Bspp - 34-Arg2000Sbsppf1

Groco, Thru-Hulls & Seacocks
$1,057.69
Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

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2" Thru-Hull With Nut - Th-200-W - 34-Th200Wf1

Groco, Thru-Hulls & Seacocks
$151.79
Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Dual frequency (50/200kHz) transducer is specially designed to provide a vertical beam without a fairing block. Inside the housing, the ceramic element is tilted to provide built-in deadrise compensat... More Details

Cast bronze. Screw size is #8. UL Listed. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

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3-1/2" Round Strainer - 00Sr350 - 379-00Sr350F1

Buck Algonquin, Thru-Hulls & Seacocks
$60.89
Cast bronze.... More Details

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3" Exhaust Thru-Hull, Black W/Flapper - 1200299 - 383-1200299F1

Centek, Thru-Hulls & Seacocks
$208.29

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3" Exhaust Thru-Hull, White W/Flapper - 1200298 - 383-1200298F1

Centek, Thru-Hulls & Seacocks
$208.29

Cast bronze. Screw size is #8. UL Listed. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

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3/4 Thru Hull Connection Bulk - 0328Dp5 - 9-0328Dp5F1

Perko, Thru-Hulls & Seacocks
$15.49
Molded white plastic with broad flange. For use with hose. Not recommended for use below waterline.... More Details

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3/4 Thru Hull Connection Chr - 0350005Dpc - 9-0350005Dpcf1

Perko, Thru-Hulls & Seacocks
$100.89
Available in plain or chrome plated bronze, these fittings have a hose barb connection and are recommended for use above the waterline only. The flange is machined to fit the hull tightly and grooved ... More Details

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3/4 Thru Hull Connection Pln - 0350005Dpp - 9-0350005Dppf1

Perko, Thru-Hulls & Seacocks
$127.79
Available in plain or chrome plated bronze, these fittings have a hose barb connection and are recommended for use above the waterline only. The flange is machined to fit the hull tightly and grooved ... More Details

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3/4" Black Plastic Thru-Hull W/Broad Flange - 50-18151 - 50-18151F1

Seachoice, Thru-Hulls & Seacocks
$11.19
Molded plastic with broad flange. Per ABYC "Safety Standards for Small Craft". Not recommended for use below the waterline.... More Details

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3/4" Bronze Intake Strainer - 00Is75 - 379-00Is75F1

Buck Algonquin, Thru-Hulls & Seacocks
$106.99
Cast bronze w/nut.... More Details

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3/4" Bronze Seacock Body - 0805005Plb - 9-0805005Plbf1

Perko, Thru-Hulls & Seacocks
$436.79
Ball valve design. Cast bronze. Meets needs of applications that require long, scoop or flush type thru-hulls.... More Details

Includes: thru-hull, hose adapter, drain plug, four pre-drilled mounting holes and bonding screw. Incorporates a plastic ball and seat assuring a tight seal and ease of operation and drain plugs for w... More Details

Includes: thru-hull, hose adapter, drain plug, four pre-drilled mounting holes and bonding screw. Incorporates a plastic ball and seat assuring a tight seal and ease of operation and drain plugs for w... More Details

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3/4" Intake Water Strainer - 0493005Plb - 9-0493005Plbf1

Perko, Thru-Hulls & Seacocks
$782.19
Cast bronze. Designed for easy installation and cleaning. Features mounting lugs cast into both sides to assure universal mounting, four outside tie rods and a 316 stainless steel strainer basket to m... More Details

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3/4" Pumpguard Strainer - 36200-0000 - 6-362000000F1

Jabsco, Thru-Hulls & Seacocks
$61.79
Keeps debris from clogging pump. Runs clearer, longer with less repairs. Clear plastic housing for quick inspection. One screw disassembly and easy cleaning of 1/16" mesh stainless steel screen. Recom... More Details

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3/4" Scoop Thru Hull W/Nut - 0065Dp5Plb - 9-0065Dp5Plbf1

Perko, Thru-Hulls & Seacocks
$214.29
Cast bronze. Screw size is #8. Strainer is 3" x 4", except for 65DP7PLB which is 3-1/4" x 4-1/4". Includes nut. UL Listed. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

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3/4" Scoop Thru-Hull W/Nut - Sth-75-W - 34-Sth75Wf1

Groco, Thru-Hulls & Seacocks
$62.39
Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

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3/4" Thru-Hull With Nut - Th-75-W - 34-Th75Wf1

Groco, Thru-Hulls & Seacocks
$32.69
Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

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3/4" White Plastic Thru-Hull W/Broad Flange - 18050 - 50-18050F1

Seachoice, Thru-Hulls & Seacocks
$6.25
Molded plastic with broad flange. Per ABYC "Safety Standards for Small Craft". Not recommended for use below the waterline.... More Details

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304 S/S Basket Strainer Only - 049300499D - 9-049300499Df1

Perko, Thru-Hulls & Seacocks
$115.69

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304 S/S Basket Strainer Only - 049300699D - 9-049300699Df1

Perko, Thru-Hulls & Seacocks
$188.59

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304 S/S Basket Strainer Only - 049300899D - 9-049300899Df1

Perko, Thru-Hulls & Seacocks
$282.19

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304 S/S Basket Strainer Only - 049300999D - 9-049300999Df1

Perko, Thru-Hulls & Seacocks
$366.39

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304 S/S Strainer Basket Only - 049300599D - 9-049300599Df1

Perko, Thru-Hulls & Seacocks
$150.39

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304 S/S Strainer Basket Only - 049300799D - 9-049300799Df1

Perko, Thru-Hulls & Seacocks
$193.09

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4" Exhaust Thru-Hull, Black W/Flapper - 1200325 - 383-1200325F1

Centek, Thru-Hulls & Seacocks
$299.79

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4" Exhaust Thru-Hull, White W/Flapper - 1200326 - 383-1200326F1

Centek, Thru-Hulls & Seacocks
$299.79

Cast bronze. Screw size is #8. UL Listed. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

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4" Round Strainer - 00Sr400 - 379-00Sr400F1

Buck Algonquin, Thru-Hulls & Seacocks
$55.99
Cast bronze.... More Details

Cast bronze. Screw size is #8. UL Listed. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

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5" Round Strainer - 00Sr500 - 379-00Sr500F1

Buck Algonquin, Thru-Hulls & Seacocks
$79.89
Cast bronze.... More Details

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5/8 Thru Hull Connection - 0328Dp4A - 9-0328Dp4Af1

Perko, Thru-Hulls & Seacocks
$11.59
Molded white plastic with broad flange. For use with hose. Not recommended for use below waterline.... More Details

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5/8 Thru Hull Connection Chr - 0350004Dpc - 9-0350004Dpcf1

Perko, Thru-Hulls & Seacocks
$110.99
Available in plain or chrome plated bronze, these fittings have a hose barb connection and are recommended for use above the waterline only. The flange is machined to fit the hull tightly and grooved ... More Details

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5/8 Thru Hull Connection Plb - 0350004Dpp - 9-0350004Dppf1

Perko, Thru-Hulls & Seacocks
$89.99
Available in plain or chrome plated bronze, these fittings have a hose barb connection and are recommended for use above the waterline only. The flange is machined to fit the hull tightly and grooved ... More Details

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5/8" White Plastic Thru-Hull W/Broad Flange - 18030 - 50-18030F1

Seachoice, Thru-Hulls & Seacocks
$5.83
Molded plastic with broad flange. Per ABYC "Safety Standards for Small Craft". Not recommended for use below the waterline.... More Details

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5/8" White Plastic Thru-Hull W/Broad Flange - 50-18031 - 50-18031F1

Seachoice, Thru-Hulls & Seacocks
$7.99
Molded plastic with broad flange. Per ABYC "Safety Standards for Small Craft". Not recommended for use below the waterline.... More Details

Cast bronze. Screw size is #8. UL Listed. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

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90 Degree Thru-Hull, 1-1/8" Barb, Short - Th1890T - 232-Th1890Tf1

T-H Marine, Thru-Hulls & Seacocks
$16.39
Threaded thru-hull for use with 1-1/8" screw-in overflow drain tube.... More Details

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90 Degree Thru-Hull, 1-1/8" Barb, Standard - Th1290T - 232-Th1290Tf1

T-H Marine, Thru-Hulls & Seacocks
$26.69
Threaded thru-hull for use with 1-1/8" screw-in overflow drain tube.... More Details

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90Deg Thru-Hull F/Hose 1-1/2 - Th1592B - 232-Th1592Bf1

T-H Marine, Thru-Hulls & Seacocks
$33.19
High quality UV and chemical resistant virgin polypropelene. Features a finished head and a single pass around nut.... More Details

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Anode-Sea Strainer Sz-1 A - Cmsz1A - 194-Cmsz1Af1

Martyr Anodes, Thru-Hulls & Seacocks
$10.91

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Attwood 3/4" Acetal Thru Hull With Strainer, White - 725433 - 23-38863F1

Attwood Marine, Thru-Hulls & Seacocks
$36.39
Thru-hull connector with strainer prevents clogging of the aerator pump. Strainer attaches to threads that extend beyond external retaining nut. Acetal construction.Note: Do not use strainer as a thru... More Details

A cetal plastic durable strainer to prevent debris from clogging baitwell drains and aerator pumps.... More Details

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Attwood Scupper Valve - 721781 - 23-38763F1

Attwood Marine, Thru-Hulls & Seacocks
$31.39
Mounts on transom slightly above water line to provide a water exit for boats with self-bailing cockpits. Flapper valve opens outward to allow water out of boat when necessary but seals back to preven... More Details

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Attwood Thru Hull Scupper For Hose, White - 1-1/2" - 723548 - 23-38811F1

Attwood Marine, Thru-Hulls & Seacocks
$50.69
The popular 3876 scupper mounted to a 3875B 1-1/2" thru-hull as a complete assembly. Made of high-impact corrosion resistant white plastic with flapper valve that opens outward to dump water overboard... More Details

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Attwood Thru Hull Stainless Steel 1-1/2" For Hose - 66551-3 - 23-665513F1

Attwood Marine, Thru-Hulls & Seacocks
$149.59
Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only.... More Details

Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only.... More Details

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Attwood Thru Hull Stainless Steel 1-1/4" For Hose - 66550-3 - 23-665503F1

Attwood Marine, Thru-Hulls & Seacocks
$114.29
Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only.... More Details

Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only.... More Details

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Attwood Thru Hull Stainless Steel 1-1/8" For Hose - 66549-3 - 23-665493F1

Attwood Marine, Thru-Hulls & Seacocks
$102.69
Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only.... More Details

Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only.... More Details

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Attwood Thru Hull Stainless Steel 1" For Hose - 66548-3 - 23-665483F1

Attwood Marine, Thru-Hulls & Seacocks
$88.29
Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only.... More Details

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Attwood Thru Hull Stainless Steel 1" For Hose, Short - 66542-3 - 23-665423F1

Attwood Marine, Thru-Hulls & Seacocks
$76.59
Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only.... More Details

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Attwood Thru Hull Stainless Steel 3/4" For Hose - 66547-3 - 23-665473F1

Attwood Marine, Thru-Hulls & Seacocks
$77.59
Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only.... More Details

Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only.... More Details

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Attwood Thru Hull Stainless Steel 5/8" For Hose - 66546-3 - 23-665463F1

Attwood Marine, Thru-Hulls & Seacocks
$61.69
Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only.... More Details

Cast from 316 stainless steel. A channel under the flange holds a bead of sealant. All models have wrench flats or an end notch. Designed for installation above the water line only.... More Details

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Cockpit Scupper - 0285Dp - 9-0285Dpf1

Perko, Thru-Hulls & Seacocks
$44.99
Molded white plastic. Flush mount. For use when discharge is above waterline. Insert prevents passage of large objects without restricting water flow. Flange: 2-3/4" OD; 1-1/2" ID.... More Details

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Cockpit Scupper - 0323Dp - 9-0323Dpf1

Perko, Thru-Hulls & Seacocks
$89.49
Thru-hull scupper with nut is used for mounting through the transom. Extra long length allows mounting on 2-1/8" thick surface, for use with 1-1/2" hose. Flange diameter 2-7/8"; white. Soft black flap... More Details

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Cockpit Scupper Valve - 020308-10 - 114-02030810F1

Moeller, Thru-Hulls & Seacocks
$11.49
Molded white plastic with soft black flapper valve Uses #6 fasteners (Not included)... More Details

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Flojet 01740014 90 Degree Strainer - 01740-014 - 272-01740014F1

Flojet, Thru-Hulls & Seacocks
$70.99
Fine 40 mesh stainless steel filter screen prevents breakdowns from particles in the water. Transparent housing for instant inspections. Screw off top allows quick cleaning and debris removal.... More Details

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Flow Max Ball Scupper - Fms10Dp - 232-Fms10Dpf1

T-H Marine, Thru-Hulls & Seacocks
$39.59
Positive sealing ball scupper. Seal slotted to fit over 1-1/4" motorwell hole.... More Details

From fresh water to salt water, Flow-Rite has the marine plumbing system you need. The revolutionary Qwik-Lok™ quick-connect plumbing system replaces leak-prone barb fittings. Designed and engineered ... More Details

From fresh water to salt water, Flow-Rite has the marine plumbing system you need. The revolutionary Qwik-Lok™ quick-connect plumbing system replaces leak-prone barb fittings. Designed and engineered ... More Details

From fresh water to salt water, Flow-Rite has the marine plumbing system you need. The revolutionary Qwik-Lok™ quick-connect plumbing system replaces leak-prone barb fittings. Designed and engineered ... More Details

From fresh water to salt water, Flow-Rite has the marine plumbing system you need. The revolutionary Qwik-Lok™ quick-connect plumbing system replaces leak-prone barb fittings. Designed and engineered ... More Details

From fresh water to salt water, Flow-Rite has the marine plumbing system you need. The revolutionary Qwik-Lok™ quick-connect plumbing system replaces leak-prone barb fittings. Designed and engineered ... More Details

From fresh water to salt water, Flow-Rite has the marine plumbing system you need. The revolutionary Qwik-Lok™ quick-connect plumbing system replaces leak-prone barb fittings. Designed and engineered ... More Details

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Flow-Rite Mpa018 Snap-In Strainer, 3/4" - Mpa-018 - 81-Mpa018F1

Flow Rite, Thru-Hulls & Seacocks
$29.99
#316 Stainless strainer screen for fresh and saltwater use. Strainer snap-in feature provides a positive vibration proof lock, yet can easily be removed for cleaning.... More Details

Cast bronze strainer includes a fresh water port and a smooth, low-torque ball valve so you can switch from straining raw water to flushing with fresh water instantly. Can be used for inboard engines ... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft.... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft.... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft.... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft.... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft.... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft. 250S Model... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft. 250S Model... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft.... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft.... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft.... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft.... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft.... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft.... More Details

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Forespar Marelon Scoop Strainer, White - 906059 - 108-906059F1

Forespar, Thru-Hulls & Seacocks
$55.90
High-strength, high speed, made of glass-reinforced non-corrosive Marelon®. Two piece construction allows for greater ease in installation.... More Details

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Forespar Marelon Scoop Strainer, White - 906060 - 108-906060F1

Forespar, Thru-Hulls & Seacocks
$60.18
High-strength, high speed, made of glass-reinforced non-corrosive Marelon®. Two piece construction allows for greater ease in installation.... More Details

Made of Marelon® and features an integral mounting bracket and clear polycarbonate lid for ready inspection. The stainless steel strainer basket can be easily removed for cleaning. Flow rate is 40 GPM... More Details

Molded from lightweight, high-strength glass-reinforced Marelon™ composite, these flanged seacocks don't corrode, and are highly resistant to UV degradation and abrasion. Their NPS parallel threads ca... More Details

Molded from lightweight, high-strength glass-reinforced Marelon™ composite, these flanged seacocks don't corrode, and are highly resistant to UV degradation and abrasion. Their NPS parallel threads ca... More Details

Molded from lightweight, high-strength glass-reinforced Marelon™ composite, these flanged seacocks don't corrode, and are highly resistant to UV degradation and abrasion. Their NPS parallel threads ca... More Details

Consists of a Marelon head and a polycarbonate bucket with a stainless steel screen. The screw on clear bucket has a replaceable gasket for a positive seal and ease of cleaning. The T-Stainer allows l... More Details

30-second cleaning cycle is automatically performed at user-selected intervalsOptional interface with SSA system ( initiates cleaning cycle when flow is reduced, independent of the pre-set cleaning in... More Details

The patented door provides access to the thru-hull fitting and seacock inlet beneath APHS hull strainers. There is no need to remove the entire strainer to clear nuisance marine growth. C84400 Bronze ... More Details

The patented door provides access to the thru-hull fitting and seacock inlet beneath APHS hull strainers. There is no need to remove the entire strainer to clear nuisance marine growth. C84400 Bronze ... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

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Groco Arg Strainer Cap, 1-1/2" - Arg-1501-Pc - 34-Arg1501Pcf1

Groco, Thru-Hulls & Seacocks
$67.39
PC non-meatallic strainer cap.... More Details

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Groco Arg Strainer Cap, 1" - Arg-1001-Pc - 34-Arg1001Pcf1

Groco, Thru-Hulls & Seacocks
$58.69
PC non-meatallic strainer cap.... More Details

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Groco Arg Strainer Cap, 1/2" - Arg-501-Pc - 34-Arg501Pcf1

Groco, Thru-Hulls & Seacocks
$40.29
PC non-meatallic strainer cap.... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

For the ARG series strainers. Maximum psi is 50. Maximum temperature is 225° F. Sight glass includes drain wingnut.... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

For the ARG series strainers. Maximum psi is 50. Maximum temperature is 225° F. Sight glass includes drain wingnut.... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

For the ARG series strainers. Maximum psi is 50. Maximum temperature is 225° F. Sight glass includes drain wingnut.... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

For the ARG series strainers. Maximum psi is 50. Maximum temperature is 225° F. Sight glass includes drain wingnut.... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

For the ARG series strainers. Maximum psi is 50. Maximum temperature is 225° F. Sight glass includes drain wingnut.... More Details

Access to the thru-hull fitting and seacock beneath the hull strainer is made easy with the patented access door design. No need to remove the entire strainer to clear debris or marine growth. Uses #1... More Details

Access to the thru-hull fitting and seacock beneath the hull strainer is made easy with the patented access door design. No need to remove the entire strainer to clear debris or marine growth. Uses #1... More Details

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Groco Bb Backing Block For Flanged Seacock - Bb-1 - 34-Bb1F1

Groco, Thru-Hulls & Seacocks
$100.09
Flanged seacock installation is improved with the use of a backing block between the valve flange and the hull. Each size fits multiple seacock sizesPress threaded inserts into the hull side of the ba... More Details

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Groco Bb Backing Block For Flanged Seacock - Bb-2 - 34-Bb2F1

Groco, Thru-Hulls & Seacocks
$127.39
Flanged seacock installation is improved with the use of a backing block between the valve flange and the hull. Each size fits multiple seacock sizesPress threaded inserts into the hull side of the ba... More Details

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Groco Bb Backing Block For Flanged Seacock - Bb-3 - 34-Bb3F1

Groco, Thru-Hulls & Seacocks
$148.69
Flanged seacock installation is improved with the use of a backing block between the valve flange and the hull. Each size fits multiple seacock sizesPress threaded inserts into the hull side of the ba... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

For most air conditioning, refrigeration, generator and small main engine raw water supply. Combines raw water strainer with full flow seacock to simplify installation and maintenance. Features bronze... More Details

For most air conditioning, refrigeration, generator and small main engine raw water supply. Combines raw water strainer with full flow seacock to simplify installation and maintenance. Features bronze... More Details

For most air conditioning, refrigeration, generator and small main engine raw water supply. Combines raw water strainer with full flow seacock to simplify installation and maintenance. Features bronze... More Details

For most air conditioning, refrigeration, generator and small main engine raw water supply. Combines raw water strainer with full flow seacock to simplify installation and maintenance. Features bronze... More Details

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Groco Bvs2 Seacock/Strainer Combo - Bvs-2 - 34-Bvs2F1

Groco, Thru-Hulls & Seacocks
$48.09
Service Repair kit contains sight glass gaskets, cap o-ring, and valve driver seals... More Details

Patented field reversible handle allows you to select the closed position orientation (Clockwise or Counterclockwise) that best suits the installation. Handle has square hole to accept standard ratche... More Details

Patented field reversible handle allows you to select the closed position orientation (Clockwise or Counterclockwise) that best suits the installation. Handle has square hole to accept standard ratche... More Details

Patented field reversible handle allows you to select the closed position orientation (Clockwise or Counterclockwise) that best suits the installation. Handle has square hole to accept standard ratche... More Details

Patented field reversible handle allows you to select the closed position orientation (Clockwise or Counterclockwise) that best suits the installation. Handle has square hole to accept standard ratche... More Details

Patented field reversible handle allows you to select the closed position orientation (Clockwise or Counterclockwise) that best suits the installation. Handle has square hole to accept standard ratche... More Details

Patented field reversible handle allows you to select the closed position orientation (Clockwise or Counterclockwise) that best suits the installation. Handle has square hole to accept standard ratche... More Details

Patented field reversible handle allows you to select the closed position orientation (Clockwise or Counterclockwise) that best suits the installation. Handle has square hole to accept standard ratche... More Details

Includes locknut. Bronze.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locknut. Bronze.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locknut. Bronze.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Provides low pressure, low profile flow into plumbing system. Includes nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Provides low pressure, low profile flow into plumbing system. Includes nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Provides low pressure, low profile flow into plumbing system. Includes nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Provides low pressure, low profile flow into plumbing system. Includes nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Provides low pressure, low profile flow into plumbing system. Includes nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locknut. Stainless Steel.... More Details

Includes locknut. Stainless Steel.... More Details

Includes locknut. Stainless Steel.... More Details

Includes locknut. Stainless Steel.... More Details

Includes locknut. Stainless Steel.... More Details

Includes locknut. Stainless Steel.... More Details

Includes locknut. Stainless Steel.... More Details

Includes locknut. Stainless Steel.... More Details

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Groco Hth1000 Bronze Hose Thru-Hull - Hth-1000 - 34-Hth1000F1

Groco, Thru-Hulls & Seacocks
$63.83
Includes locknut.... More Details

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Groco Hth1125 Bronze Thru-Hull - Hth-1125 - 34-Hth1125F1

Groco, Thru-Hulls & Seacocks
$71.13
Includes locknut.... More Details

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Groco Hth1250 Bronze Hose Thru-Hull - Hth-1250 - 34-Hth1250F1

Groco, Thru-Hulls & Seacocks
$84.17
Includes locknut.... More Details

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Groco Hth1500 Bronze Hose Thru-Hull - Hth-1500 - 34-Hth1500F1

Groco, Thru-Hulls & Seacocks
$101.49
Includes locknut.... More Details

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Groco Hth2000 Bronze Thru-Hull - Hth-2000 - 34-Hth2000F1

Groco, Thru-Hulls & Seacocks
$132.09
Includes locknut.... More Details

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Groco Hth500 Bronze Thru-Hull - Hth-500 - 34-Hth500F1

Groco, Thru-Hulls & Seacocks
$30.45
Includes locknut.... More Details

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Groco Hth625 Bronze Hose Thru-Hull - Hth-625 - 34-Hth625F1

Groco, Thru-Hulls & Seacocks
$37.59
Includes locknut.... More Details

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Groco Hth750 Bronze Thru-Hull - Hth-750 - 34-Hth750F1

Groco, Thru-Hulls & Seacocks
$46.41
Includes locknut.... More Details

Includes locknut.... More Details

Includes locknut.... More Details

Includes locknut.... More Details

Includes locknut.... More Details

Includes locknut.... More Details

Adapter eliminates dangerous thread mis-matches between thru-hulls and in-line valves and valve damage in OEM installations. Accepts a standard thru-hull fitting into the base and a standard in-line v... More Details

NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Adapter eliminates dangerous thread mis-matches between thru-hulls and in-line valves and valve damage in OEM installations. Accepts a standard thru-hull fitting into the base and a standard in-line v... More Details

NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Adapter eliminates dangerous thread mis-matches between thru-hulls and in-line valves and valve damage in OEM installations. Accepts a standard thru-hull fitting into the base and a standard in-line v... More Details

Adapter eliminates dangerous thread mis-matches between thru-hulls and in-line valves and valve damage in OEM installations. Accepts a standard thru-hull fitting into the base and a standard in-line v... More Details

Bronze. With mounting ring. Easy access to the thru-hull fitting and seacock beneath Groco hull strainer with patented access door design. No need to remove the entire strainer to clear nuisance marin... More Details

Bronze. With mounting ring. Easy access to the thru-hull fitting and seacock beneath Groco hull strainer with patented access door design. No need to remove the entire strainer to clear nuisance marin... More Details

Bronze. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Bronze. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Bronze. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Mount the ring permanently. Fasten the strainer to the ring and remove as often as needed. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Mount the ring permanently. Fasten the strainer to the ring and remove as often as needed. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Mount the ring permanently. Fasten the strainer to the ring and remove as often as needed. Uses 6 #10 fasteners.... More Details

Mount the ring permanently. Fasten the strainer to the ring and remove as often as needed. Uses 6 #10 fasteners.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Allows instant emergency bilge pumping, or to simplify winterization and cooling system flushing. While the engine is running, close the seacock and remove the quick release plug. Includes service ada... More Details

Allows instant emergency bilge pumping, or to simplify winterization and cooling system flushing. While the engine is running, close the seacock and remove the quick release plug. Includes service ada... More Details

NPSM / NPT combination thread#316 Stainless SteelUL Listed 647B... More Details

NPSM / NPT combination thread#316 Stainless SteelUL Listed 647B... More Details

NPSM / NPT combination thread#316 Stainless SteelUL Listed 647B... More Details

NPSM / NPT combination thread#316 Stainless SteelUL Listed 647B... More Details

NPSM / NPT combination thread#316 Stainless SteelUL Listed 647B... More Details

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Includes locking nut. NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Should have threaded portion cut to proper length considering hull and butt block thickness. Consider thread depth when using a seacock. Sealant is recommended between hull and thru-hull flange. Inclu... More Details

Enables Installations GROCO thru-hull fittings by a single installer. Slide the thru-hull fitting, flanged end first, over the tool. (It will stop at the proper step.) Tie a length of monofilament to ... More Details

Extra long through hull for installations where hull thickness dictates the use of longer fitting. Locknut included.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Extra long through hull for installations where hull thickness dictates the use of longer fitting. Locknut included.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Extra long through hull for installations where hull thickness dictates the use of longer fitting. Locknut included.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Extra long through hull for installations where hull thickness dictates the use of longer fitting. Locknut included.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Extra long through hull for installations where hull thickness dictates the use of longer fitting. Locknut included.NOT TO BE USED IN POTABLE WATER SYSTEMS.... More Details

Extra long NPSM / NPT combination thread#316 Stainless Steel... More Details

Extra long NPSM / NPT combination thread#316 Stainless Steel... More Details

Extra long NPSM / NPT combination thread#316 Stainless Steel... More Details

Extra long NPSM / NPT combination thread#316 Stainless Steel... More Details

Extra long NPSM / NPT combination thread#316 Stainless Steel... More Details

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I50 Speed Pk W/Retrc Thru-Hull - T70583 - 152-T70583F1

Raymarine, Thru-Hulls & Seacocks
$914.29

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I50 Tridata W/Thru-Hull Trans - T70582 - 152-T70582F1

Raymarine, Thru-Hulls & Seacocks
$1,371.49

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In-Line Strainer, 1/2" Hose - 36400-0000 - 6-364000000F1

Jabsco, Thru-Hulls & Seacocks
$64.39
Prevents dirt and other particles from entering pump intake. Cuts down on repairs. Transparent housing for quick inspection, 50 mesh stainless steel filtering screen.... More Details

This compact pre filter prevents particles jamming valves and causing pump breakdowns - we've given it a screw off, transparent housing for easy inspection and quick, in place cleaning.... More Details

This compact pre filter prevents particles jamming valves and causing pump breakdowns - we've given it a screw off, transparent housing for easy inspection and quick, in place cleaning.... More Details

Strainer Only for 6 GPM... More Details

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Jabsco Pumpgard In-Line Strainer - 36200-1000 - 6-362001000F1

Jabsco, Thru-Hulls & Seacocks
$61.79
Prevents dirt and other particles from entering pump intake. Cuts down on repairs. Transparent housing for quick inspection, 50 mesh stainless steel filtering screen.... More Details

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Jabsco Pumpgard In-Line Strainer - 36400-1000 - 6-364001000F1

Jabsco, Thru-Hulls & Seacocks
$64.39
Prevents dirt and other particles from entering pump intake. Cuts down on repairs. Transparent housing for quick inspection, 50 mesh stainless steel filtering screen.... More Details

Strainer features a transparent cover for simple inspection, a wide variety of KlickTite™ port connectors for simple installation and removal, and high quality materials for simple maintenance. The co... More Details

Strainer features a transparent cover for simple inspection, a wide variety of KlickTite™ port connectors for simple installation and removal, and high quality materials for simple maintenance. The co... More Details

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Johnson Pump 54033Pk Thru-Hull Nut - 54033Pk - 189-54033Pkf1

Johnson Pump/Mayfair, Thru-Hulls & Seacocks
$17.89
Replacement Thru-Hull Nut... More Details

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Johnson Pump 54234Pk Straight Aerator Thru-Hull Assembly - 54234Pk - 189-54234Pkf1

Johnson Pump/Mayfair, Thru-Hulls & Seacocks
$23.99
Replacement Straight Aerator Thru-hull... More Details

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Johnson Pump 54236Pk 90° Aerator Thru-Hull Assembly - 54236Pk - 189-54236Pkf1

Johnson Pump/Mayfair, Thru-Hulls & Seacocks
$28.49
Replacement 90° Aerator Thru-hull Assembly... More Details

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Johnson Pump 75035 3/4" 90° White Thru-Hull - 75035-00 - 189-7503500F1

Johnson Pump/Mayfair, Thru-Hulls & Seacocks
$27.79
Fittings are molded of tough acetal resin so they will not rust, corrode, discolor nor are they susceptible to electrolysis. White. Skin pack.... More Details

Johnson Pump 90191 Aerator Head - Overall Length 13-3/4" Thru-Hull, One Shut Off Valve.... More Details

Johnson Pump 90331 Aerator Head - Overall Length 12-3/4", 3/4" Thru-Hull, One Shut Off Valve.... More Details

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Marine Hardware Bronze Tri-Angle Seacock, 1-1/2" Pipe - Seac1.500-B - 369-Seac1500Bf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$651.89
Same precision specifications as Marine Hardware ball valves. Triangular flange machined smooth for flush-fit hull mounting. Includes ground screw, mounting boss and drain. Cathodic protection require... More Details

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Marine Hardware Bronze Tri-Angle Seacock, 1-1/4" Pipe - Seac1.250-B - 369-Seac1250Bf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$378.19
Same precision specifications as Marine Hardware ball valves. Triangular flange machined smooth for flush-fit hull mounting. Includes ground screw, mounting boss and drain. Cathodic protection require... More Details

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Marine Hardware Bronze Tri-Angle Seacock, 1" Pipe - Seac1.000-B - 369-Seac1000Bf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$339.89
Same precision specifications as Marine Hardware ball valves. Triangular flange machined smooth for flush-fit hull mounting. Includes ground screw, mounting boss and drain. Cathodic protection require... More Details

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Marine Hardware Bronze Tri-Angle Seacock, 2" Pipe - Seac2.000-B - 369-Seac2000Bf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$873.39
Same precision specifications as Marine Hardware ball valves. Triangular flange machined smooth for flush-fit hull mounting. Includes ground screw, mounting boss and drain. Cathodic protection require... More Details

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Marine Hardware Bronze Tri-Angle Seacock, 3/4" Pipe - Seac0.750-B - 369-Seac0750Bf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$217.79
Same precision specifications as Marine Hardware ball valves. Triangular flange machined smooth for flush-fit hull mounting. Includes ground screw, mounting boss and drain. Cathodic protection require... More Details

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Marine Hardware Seasmpnptdome Multi-Port Sea Strainer - Seasmp-Npt-Dome - 369-Seasmpnptdomef1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$572.79
This compact assembly has proven efficient and reliable for years in the field in many types of craft, from ski boats to sport fisher to cruisers. Cast in bronze, the multi-port strainers are precisio... More Details

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Marine Hardware Seasum01500 Universal Swivel Mount Sea Strainer, 1-1/2" - Seasum1.500 - 369-Seasum1500F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$878.39
Marine Hardware, Inc.'s Universal Mount Sea Strainers incorporate all the best features. Starting with a cast bronze housing, all units include a pull out strainer screen assembly for easy spill-proof... More Details

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Marine Hardware Seasum0750 Universal Swivel Mount Sea Strainer, 3/4" - Seasum0.750 - 369-Seasum0750F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$427.79
Marine Hardware, Inc.'s Universal Mount Sea Strainers incorporate all the best features. Starting with a cast bronze housing, all units include a pull out strainer screen assembly for easy spill-proof... More Details

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Marine Hardware Seasum1000 Universal Swivel Mount Sea Strainer, 1" - Seasum1.000 - 369-Seasum1000F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$444.89
Marine Hardware, Inc.'s Universal Mount Sea Strainers incorporate all the best features. Starting with a cast bronze housing, all units include a pull out strainer screen assembly for easy spill-proof... More Details

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Marine Hardware Seasum1250 Universal Swivel Mount Sea Strainer, 1-1/4" - Seasum1.250 - 369-Seasum1250F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$825.19
Marine Hardware, Inc.'s Universal Mount Sea Strainers incorporate all the best features. Starting with a cast bronze housing, all units include a pull out strainer screen assembly for easy spill-proof... More Details

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Marine Hardware Seasum2000Sm Universal Swivel Mount Sea Strainer, 2" - Seasum2.000-Sm - 369-Seasum2000Smf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$1,036.49
Marine Hardware, Inc.'s Universal Mount Sea Strainers incorporate all the best features. Starting with a cast bronze housing, all units include a pull out strainer screen assembly for easy spill-proof... More Details

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Marine Hardware Stainless Clad 90° Thru-Hull Fitting, 1-1/2" - Thmb90-1.500-Nyb - 369-Thmb901500Nbf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$28.99
A tough glass filled nylon body is molded around an attractive stainless flange. Get the look and feel of stainless thru-hulls at a fraction of the price. Flange sizes are uniform for multi-outlet app... More Details

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Marine Hardware Stainless Clad 90° Thru-Hull Fitting, 1-1/4" - Thmb90-1.250-Nb - 369-Thmb901250Nbf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$28.99
A tough glass filled nylon body is molded around an attractive stainless flange. Get the look and feel of stainless thru-hulls at a fraction of the price. Flange sizes are uniform for multi-outlet app... More Details

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Marine Hardware Stainless Clad 90° Thru-Hull Fitting, 1-1/8" - Thmb90-1.125-Nyb - 369-Thmb901125Nbf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$22.59
A tough glass filled nylon body is molded around an attractive stainless flange. Get the look and feel of stainless thru-hulls at a fraction of the price. Flange sizes are uniform for multi-outlet app... More Details

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Marine Hardware Stainless Clad 90° Thru-Hull Fitting, 1" - Thmb90-1.000-Nyb - 369-Thmb901000Nbf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$21.29
A tough glass filled nylon body is molded around an attractive stainless flange. Get the look and feel of stainless thru-hulls at a fraction of the price. Flange sizes are uniform for multi-outlet app... More Details

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Marine Hardware Stainless Clad 90° Thru-Hull Fitting, 3/4" - Thmb90-0.750-Nyb - 369-Thmb900750Nbf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$21.09
A tough glass filled nylon body is molded around an attractive stainless flange. Get the look and feel of stainless thru-hulls at a fraction of the price. Flange sizes are uniform for multi-outlet app... More Details

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Marine Hardware Stainless Clad 90° Thru-Hull Fitting, 5/8" - Thmb90-0.625-Nb - 369-Thmb900625Nbf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$21.29
A tough glass filled nylon body is molded around an attractive stainless flange. Get the look and feel of stainless thru-hulls at a fraction of the price. Flange sizes are uniform for multi-outlet app... More Details

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Marine Hardware Stainless Clad Thru-Hull Fitting, 1-1/2" - Thmb1.500-N - 369-Thmb1500Nf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$26.39
A tough glass filled nylon body is molded around an attractive stainless flange. Get the look and feel of stainless thru-hulls at a fraction of the price. Nylon body is gray in color to match stainles... More Details

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Marine Hardware Stainless Clad Thru-Hull Fitting, 1-1/4" - Thmb1.250-N - 369-Thmb1250Nf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$22.49
A tough glass filled nylon body is molded around an attractive stainless flange. Get the look and feel of stainless thru-hulls at a fraction of the price. Nylon body is gray in color to match stainles... More Details

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Marine Hardware Stainless Clad Thru-Hull Fitting, 1-1/8" - Thmb1.125-N - 369-Thmb1125Nf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$19.79
A tough glass filled nylon body is molded around an attractive stainless flange. Get the look and feel of stainless thru-hulls at a fraction of the price. Nylon body is gray in color to match stainles... More Details

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Marine Hardware Stainless Clad Thru-Hull Fitting, 1" - Thmb1.000-N - 369-Thmb1000Nf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$19.79
A tough glass filled nylon body is molded around an attractive stainless flange. Get the look and feel of stainless thru-hulls at a fraction of the price. Nylon body is gray in color to match stainles... More Details

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Marine Hardware Stainless Clad Thru-Hull Fitting, 1/2" - Thmb0.500-N - 369-Thmb0500Nf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$17.29
A tough glass filled nylon body is molded around an attractive stainless flange. Get the look and feel of stainless thru-hulls at a fraction of the price. Nylon body is gray in color to match stainles... More Details

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Marine Hardware Stainless Clad Thru-Hull Fitting, 2" - Thmb2.000-N - 369-Thmb2000Nf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$35.79
A tough glass filled nylon body is molded around an attractive stainless flange. Get the look and feel of stainless thru-hulls at a fraction of the price. Nylon body is gray in color to match stainles... More Details

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Marine Hardware Stainless Clad Thru-Hull Fitting, 3/4" - Thmb0.750-N - 369-Thmb0750Nf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$18.69
A tough glass filled nylon body is molded around an attractive stainless flange. Get the look and feel of stainless thru-hulls at a fraction of the price. Nylon body is gray in color to match stainles... More Details

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Marine Hardware Sth1 High Speed Pick Up W/Thru Hull, 1" - Hswp1.000-Bm - 369-Sth1F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$105.59
Bronze.... More Details

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Marine Hardware Sth112 High Speed Pick Up W/Thru Hull, 1-1/2" - Hswp1.500-Bn - 369-Sth112F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$187.49
Bronze.... More Details

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Marine Hardware Sth114 High Speed Pick Up W/Thru Hull, 1-1/4" - Hswp1.250-Bn - 369-Sth114F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$151.79
Bronze.... More Details

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Marine Hardware Sth12 High Speed Pick Up W/Thru Hull, 1/2" - Hswp.500-B - 369-Sth12F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$63.49
Bronze.... More Details

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Marine Hardware Sth2 High Speed Pick Up W/Thru Hull, 2" - Hswp2.000-Bn - 369-Sth2F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$316.79
Bronze.... More Details

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Marine Hardware Sth34 High Speed Pick Up W/Thru Hull, 3/4" - Hswp0.750-Bn - 369-Sth34F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$85.79
Bronze.... More Details

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Marine Hardware Thh1 Chrome/Bronze Thru-Hull For Hose, 1" - Thmb1.000-B - 369-Thh1F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$86.69
Marine Hardware's barbed thru-hull fitting are designed for use above the waterline, attached directly to hose. The bodies have straight thread below the barbed section. All have heavy wall constructi... More Details

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Marine Hardware Thh112 Chrome/Bronze Thru-Hull For Hose, 1-1/2" - Thmb1.500-B - 369-Thh112F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$138.59
Marine Hardware's barbed thru-hull fitting are designed for use above the waterline, attached directly to hose. The bodies have straight thread below the barbed section. All have heavy wall constructi... More Details

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Marine Hardware Thh114 Chrome/Bronze Thru-Hull For Hose, 1-1/4" - Thmb1.250-B - 369-Thh114F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$109.59
Marine Hardware's barbed thru-hull fitting are designed for use above the waterline, attached directly to hose. The bodies have straight thread below the barbed section. All have heavy wall constructi... More Details

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Marine Hardware Thh34 Chrome/Bronze Thru-Hull For Hose, 3/4" - Thmb0.750-B - 369-Thh34F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$48.89
Marine Hardware's barbed thru-hull fitting are designed for use above the waterline, attached directly to hose. The bodies have straight thread below the barbed section. All have heavy wall constructi... More Details

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Marine Hardware Thhss1 Stainless Steel Thru-Hull For Hose, 1" - Thmb1.000-S - 369-Thhss1F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$86.99
SS Thru-hull fitting.... More Details

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Marine Hardware Thhss112 Stainless Steel Thru-Hull For Hose, 1-1/2" - Thmb1.500-S - 369-Thhss112F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$113.49
SS Thru-hull fitting.... More Details

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Marine Hardware Thhss114 Stainless Steel Thru-Hull For Hose, 1-1/4" - Thmb1.250-S - 369-Thhss114F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$99.19
SS Thru-hull fitting.... More Details

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Marine Hardware Thhss118 Stainless Steel Thru-Hull For Hose, 1-1/8" - Thmb1.125-S - 369-Thhss118F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$82.09
SS Thru-hull fitting.... More Details

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Marine Hardware Thhss12 Stainless Steel Thru-Hull For Hose, 1/2" - Thmb0.500-S - 369-Thhss12F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$47.69
SS Thru-hull fitting.... More Details

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Marine Hardware Thhss34 Stainless Steel Thru-Hull For Hose, 3/4" - Thmb0.750-S - 369-Thhss34F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$55.59
SS Thru-hull fitting.... More Details

Three stage tools come in two sizes to fit all Marine Hardware,™ Inc.'s thru-hull installations.... More Details

Three stage tools come in two sizes to fit all Marine Hardware,™ Inc.'s thru-hull installations.... More Details

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Marine Hardware Thl1 Bronze Long Thru-Hull, 1" - Thme1.000-Bm - 369-Thl1F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$91.59
Bronze fitting.... More Details

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Marine Hardware Thl112 Bronze Long Thru-Hull, 1-1/2" - Thme1.500-Bm - 369-Thl112F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$127.79
Bronze fitting.... More Details

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Marine Hardware Thl114 Bronze Long Thru-Hull, 1-1/4" - Thme1.250-Bm - 369-Thl114F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$131.59
Bronze fitting.... More Details

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Marine Hardware Thl12 Bronze Long Thru-Hull, 1/2" - Thme0.500-Bm - 369-Thl12F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$40.89
Bronze fitting.... More Details

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Marine Hardware Thl2 Bronze Long Thru-Hull, 2" - Thme2.000-Bm - 369-Thl2F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$217.69
Bronze fitting.... More Details

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Marine Hardware Thl34 Bronze Long Thru-Hull, 3/4" - Thme0.750-Bm - 369-Thl34F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$55.39
Bronze fitting.... More Details

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Marine Hardware Thr1 Bronze Thru-Hull, 1" - Thmr1.000-Bm - 369-Thr1F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$63.99

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Marine Hardware Thr112 Bronze Thru-Hull, 1-1/2" - Thmr1.500-Bm - 369-Thr112F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$142.59

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Marine Hardware Thr114 Bronze Thru-Hull, 1-1/4" - Thmr1.250-Bm - 369-Thr114F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$102.99

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Marine Hardware Thr12 Bronze Thru-Hull, 1/2" - Thmr.500-Bm - 369-Thr12F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$31.99

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Marine Hardware Thr2 Bronze Thru-Hull, 2" - Thmr2.000-Bm - 369-Thr2F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$186.09

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Marine Hardware Thrss1 316 Stainless Steel Thru-Hull, 1" - Thmr1.000-S - 369-Thrss1F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$80.59
316 Stainless steel.... More Details

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Marine Hardware Thrss112 316 Stainless Steel Thru-Hull, 1-1/2" - Thmr1.500-S - 369-Thrss112F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$127.39
316 Stainless steel.... More Details

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Marine Hardware Thrss34 316 Stainless Steel Thru-Hull, 3/4" - Thmr.750-S - 369-Thrss34F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$56.39
316 Stainless steel.... More Details

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Marine Hardware Thru-Hull Scupper Valve, 1-1/2" Nylon - Thmb1.500-Nbf - 369-Thmb1500Nbff1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$31.79
1-1/2" Barbed with rubber flap.... More Details

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Marine Hardware Thru-Hull Scupper Valve, 1-1/2" Stainless - Thmb1.500-S-Flap - 369-Thmb1500Sflapf1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$118.79
1-1/2" Barbed with rubber flap.... More Details

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Marine Hardware Xxx Bronze Thru-Hull, 3/4" - Thmr.750-Bm - 369-Thr34F1

Marine Hardware Inc (Canada Only), Thru-Hulls & Seacocks
$36.39

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Martyr 656934 (Doka) Sea Strainer Zinc Anode - Cm656934Z - 194-Cm656934Zf1

Martyr Anodes, Thru-Hulls & Seacocks
$12.06
Sea Strainer Zinc. Hole dimension is the distance between holes.... More Details

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Martyr Cmsz1Z Sea Strainer Zinc Anode - Cmsz1Z - 194-Cmsz1Zf1

Martyr Anodes, Thru-Hulls & Seacocks
$13.32
Sea Strainer Anode... More Details

Easily installs in seconds for out of the water engine flushing applications. Designed to fit inboards, performance ski boats and all boats with a thru hull intake. No more trying to fit between the t... More Details

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Oil Strainer Yamaha #61A-13411-00 - 18-79976 - 47-79976F1

Sierra, Thru-Hulls & Seacocks
$18.59

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Oil Strainer Yamaha #6E5-13411-00 - 18-79975 - 47-79975F1

Sierra, Thru-Hulls & Seacocks
$17.09

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Oil Strainer Yamaha #6J8-13411-00 - 18-79974 - 47-79974F1

Sierra, Thru-Hulls & Seacocks
$15.19

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Oil Strainer Ym#6H1-13411-00 - 18-79961 - 47-79961F1

Sierra, Thru-Hulls & Seacocks
$40.69

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Oil Strainer-El Yamaha 68F-13440-00 - 18-79971 - 47-79971F1

Sierra, Thru-Hulls & Seacocks
$22.19

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P Bracket 1 (Strainer=18005) - 14239 - 762-14239F1

Sherwood Pump, Thru-Hulls & Seacocks
$66.99
Provides a sturdy mounting harness for Sherwood line strainers. Unique design enables easy trouble free assembly. Does not effect quick cleaning ability of strainer bowl.... More Details

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P Bracket 3/4 (18001 Strainer - 14240 - 762-14240F1

Sherwood Pump, Thru-Hulls & Seacocks
$48.99
Provides a sturdy mounting harness for Sherwood line strainers. Unique design enables easy trouble free assembly. Does not effect quick cleaning ability of strainer bowl.... More Details

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Paint Strainer - Cone Type - 92601 - 50-92601F1

Seachoice, Thru-Hulls & Seacocks
$41.31
Medium nylon meshDisposableSold by the box... More Details

Cast bronze. Screw size is #8. UL Listed. NOT TO BE USED IN POTABLE WATER SYSTEMS... More Details

Cast bronze. Screw size is #8. UL Listed. NOT TO BE USED IN POTABLE WATER SYSTEMS... More Details

Cast bronze. Screw size is #8. UL Listed. NOT TO BE USED IN POTABLE WATER SYSTEMS... More Details

Cast bronze. Screw size is #8. UL Listed. NOT TO BE USED IN POTABLE WATER SYSTEMS... More Details

Cast bronze. Flange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approximately 3/8" from flange. Includes flange nut. UL Listed. NOT TO BE USED IN POTABLE WATER ... More Details

Cast bronze. Flange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approximately 3/8" from flange. Includes flange nut. UL Listed. NOT TO BE USED IN POTABLE WATER ... More Details

Cast bronze. Flange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approximately 3/8" from flange. Includes flange nut. UL Listed. NOT TO BE USED IN POTABLE WATER ... More Details

Cast bronze. Flange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approximately 3/8" from flange. Includes flange nut. UL Listed. NOT TO BE USED IN POTABLE WATER ... More Details

Cast bronze. Flange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approximately 3/8" from flange. Includes flange nut. UL Listed. NOT TO BE USED IN POTABLE WATER ... More Details

Cast bronze. Flange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approximately 3/8" from flange. Includes flange nut. UL Listed. NOT TO BE USED IN POTABLE WATER ... More Details

Cast bronze. Flange is machined to fit hull and grooved to retain bedding compound. Neck is threaded to approximately 3/8" from flange. Includes flange nut. UL Listed. NOT TO BE USED IN POTABLE WATER ... More Details

Cast Bronze. Designed for easy installation and cleaning. Features include mounting lugs cast into both sides to assure universal mounting, four outside tie rods and a 316 stainless steel strainer bas... More Details

Cast bronze. Screw size is #8. UL Listed. NOT TO BE USED IN POTABLE WATER SYSTEMS... More Details

Cast bronze. Rubber check ball. Complete with key. Outlet angle 45°. Screw size is #8. Use spare key 124878DP.... More Details

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Perko Chrome Cockpit Scupper, 1" - 0142001Chr - 9-0142001Chrf1

Perko, Thru-Hulls & Seacocks
$415.19
Cast bronze. Rubber check ball. Complete with key. Outlet angle 45°. Screw size is #8. Use spare key 124878DP.... More Details

Not approved for use below the water line. Molded PolymerBroad Flange... More Details

Not approved for use below the water line. Molded PolymerBroad Flange... More Details

Not approved for use below the water line. Molded PolymerBroad Flange... More Details

Not approved for use below the water line. Molded PolymerBroad Flange... More Details

Not approved for use below the water line. Molded PolymerBroad Flange... More Details

Not approved for use below the water line. Molded PolymerBroad Flange... More Details

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Perko Plastic Thru-Hull - 0301Dp5 - 9-0301Dp5F1

Perko, Thru-Hulls & Seacocks
$13.29
Molded white plastic with narrow flange. For use with hose.... More Details

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Poly In-Line Strainer, 1/2" - 364135 - 354-364135F1

Sea-Dog Line, Thru-Hulls & Seacocks
$26.62
In-Line Water Strainer contains a removable, clear lens for easy cleaning and changing of filter. Filter is interchangeable with Jabsco. Filter should be mounted above water level line and on suction ... More Details

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Poly In-Line Strainer, 3/4" - 364137 - 354-364137F1

Sea-Dog Line, Thru-Hulls & Seacocks
$27.90
In-Line Water Strainer contains a removable, clear lens for easy cleaning and changing of filter. Filter is interchangeable with Jabsco. Filter should be mounted above water level line and on suction ... More Details

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Poly In-Line Strainer, 5/8" - 364136 - 354-364136F1

Sea-Dog Line, Thru-Hulls & Seacocks
$32.59
In-Line Water Strainer contains a removable, clear lens for easy cleaning and changing of filter. Filter is interchangeable with Jabsco. Filter should be mounted above water level line and on suction ... More Details

Cast bronze with slide out removable screenPositive Fow screen with holes drilled 18" on a 45° angle... More Details

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Pump Strainer - 0709Dp0Plb - 9-0709Dp0Plbf1

Perko, Thru-Hulls & Seacocks
$114.49
Cast bronze.... More Details

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Raw Water Strainer, 1-1/2" - Rws - 78-Rwsf1

Raritan Engineering, Thru-Hulls & Seacocks
$312.89
Helps protect engines, generators, air conditioners and marine heads from debris and is easily cleaned. Top and body are made of high strength, clear plastic with a built-in mounting bracket. Easily c... More Details

The B744V offers great triducer performance in a single thru-hull package. The included fairing block ensures reliable performance at speed. The B744VL provides an extra 2.5" of stem length to accommo... More Details

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Retangular Scoop Strainer W/Brass Screen - 00Rss1100P - 379-00Rss1100Pf1

Buck Algonquin, Thru-Hulls & Seacocks
$623.89
Cast bronze with slide out removable screens.... More Details

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Retangular Scoop Strainer W/Bronze Screen - 00Rss655P - 379-00Rss655Pf1

Buck Algonquin, Thru-Hulls & Seacocks
$440.59
Cast bronze with slide out removable screens.... More Details

Northern Marine Canada
Our products are shipped from Canada!
Parts Warehouse:
Toronto, Ontario, Canada
Head Office:
Kingston, Ontario

About Us

Northern Marine is a Canadian supplier of premium marine and RV parts and accessories from top industry brands. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.