U.S. Customers: Orders shipped from Canada may be subject to U.S. import duties, taxes, and/or tariffs as assessed by U.S. Customs and your carrier. These charges are not included in our product prices or shipping rates. You are responsible for any duties/tariffs/fees due on delivery or prior to delivery.
Packed and shipped within Canada!

Original & OEM Quality Parts

Results 301 - 338 of 338
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Groco #304 Stainless Steel Filter Basket - Bs-8 - 34-Bs8F1

Groco
$138.79

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Groco #304 Stainless Steel Filter Basket - Bs-6 - 34-Bs6F1

Groco
$130.19

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Groco #304 Stainless Steel Filter Basket - Bs-5 - 34-Bs5F1

Groco
$115.99

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Groco #304 Stainless Steel Filter Basket - Bs-4 - 34-Bs4F1

Groco
$104.29

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Groco #304 Stainless Steel Filter Basket - Bs-2 - 34-Bs2F1

Groco
$101.49

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Groco #304 Stainless Steel Filter Basket - Bs-19 - 34-Bs19F1

Groco
$149.49

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Groco #304 Stainless Steel Filter Basket - Bs-16 - 34-Bs16F1

Groco
$132.99

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Groco #304 Stainless Steel Filter Basket - Bs-11 - 34-Bs11F1

Groco
$147.29

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Groco #304 Stainless Steel Filter Basket - Bs-1 - 34-Bs1F1

Groco
$95.89

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

Groco
$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. Includes nut.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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

Groco
$62.39

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

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3/4" Bronze Full Flow In-Line Ball Valve - Ibv-750 Bspp - 34-Ibv750Bsppf1

Groco
$53.49

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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

Groco
$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. Includes nut.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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

Groco
$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 strainer cap and between strainer head and sight glass. See-thru screw-on strainer cap allows easy, no-tools maintenance. Spanner wrench holes in cover allow the use of SW-2531 wrench. Install with pipe or hose. Do not use chemical or abrasive cleaners on sight glass. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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2" Bronze Full Flow In-Line Ball Valve - Ibv-2000 Bspp - 34-Ibv2000Bsppf1

Groco
$334.39

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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2-1/2" Bronze Full Flow In-Line Ball Valve - Ibv-2500 Bspp - 34-Ibv2500Bsppf1

Groco
$643.99

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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

Groco
$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. Includes nut.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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

Groco
$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 strainer cap and between strainer head and sight glass. See-thru screw-on strainer cap allows easy, no-tools maintenance. Spanner wrench holes in cover allow the use of SW-2531 wrench. Install with pipe or hose. Do not use chemical or abrasive cleaners on sight glass. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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

Groco
$85.09

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

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1" Bronze Full Flow In-Line Ball Valve - Ibv-1000 Bspp - 34-Ibv1000Bsppf1

Groco
$98.69

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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

Groco
$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. Includes nut.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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1-1/4" Strainer 304 Ss Basket - Arg-1250-S Bspp - 34-Arg1250Sbsppf1

Groco
$660.39

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 strainer cap and between strainer head and sight glass. See-thru screw-on strainer cap allows easy, no-tools maintenance. Spanner wrench holes in cover allow the use of SW-2531 wrench. Install with pipe or hose. Do not use chemical or abrasive cleaners on sight glass. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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1-1/4" Bronze Full Flow In-Line Ball Valve - Ibv-1250 Bspp - 34-Ibv1250Bsppf1

Groco
$139.79

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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

Groco
$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. Includes nut.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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

Groco
$136.09

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

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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 OEM and premium aftermarket marine and RV parts and accessories. 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.