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Original & OEM Quality Parts

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Commercial grade. Should be used with one of the outside corners. Each leg has elongated holes for easy fit. 8-1/4"L x 5"H w/ 2-1/4" holes.... More Details

Commercial grade. Should be used with one of the outside corners. Each leg has elongated holes for easy fit. 8-1/4"L x 5"H w/ 3" holes.... More Details

Standard grade. Should be used with one of the outside corners. Each leg has elongated holes for easy fit. 8-1/4"L x 5"H w/ 2" holes.... More Details

Commercial grade. Should be used with one of the outside corners and has an internal pipe holder. 8-1/4"L x 5"H. Requires carriage bolt set for attaching. 2" Pipe.... More Details

Commercial grade. Should be used with one of the outside corners and has an internal pipe holder. 8-1/4"L x 5"H. Requires carriage bolt set for attaching. 2" Pipe.... More Details

Commercial grade w/ 1/2" tab. Use with Female T connector to attach fingers and ramps. Bolt set required for joint. Size: 5"L x 5"H.... More Details

Commercial Grade w/ 3/4" tab. Use with Female T connector to attach fingers and ramps. Bolt set required for joint. Size: 5" x 5".... More Details

Standard Grade w/ 1/2" tab. Use with Female T connector to attach fingers and ramps. Bolt set required for joint. Size: 5" x 5".... More Details

Commercial grade. Use this corner at ends of fingers and docks. Ideal for swim floats and ski jump corners. Each leg is 10"L x 5"H.... More Details

Commercial grade. Use this corner at ends of fingers and docks. Ideal for swim floats and ski jump corners. Each leg is 12-1/4"L x 5"H.... More Details

Standard grade. Use this corner at ends of fingers and docks. Ideal for swim floats and ski jump corners. Each leg is 10"L x 5"H.... More Details

Commercial grade. Two 1/2" welded tabs. Use with a male outside corner. Each leg is 10"L x 5"H.... More Details

Standard grade. Two 1/2" welded tabs. Use with a male outside corner. Each leg is 10"L x 5"H.... More Details

Standard grade. Use with a female outside corner to connect docks end to end. Joint requires 3/4" bolt set or connector pin. Each leg is 10"L x 5" H. 1/2" Welded Tab.... More Details

Standard grade. Use with a female outside corner to connect docks end to end. Joint requires 3/4" bolt set or connector pin. Each leg is 10"L x 5" H. 1/2" Welded Tab.... More Details

Standard grade. Use with a female outside corner to connect docks end to end. Joint requires 3/4" bolt set or connector pin. Each leg is 10"L x 5" H. 1/2" Welded Tab.... More Details

Standard grade. Bolts to outside of dock. Uses 2" pipe to hold dock in place. Carriage bolt set required for attaching.... More Details

Commercial grade. Bolts to outside of dock. Uses 2" pipe to hold dock in place. Carriage bolt set required for attaching.... More Details

Piling hoop & roller intended for areas with a lot of wind, current or tidal action. Combines the Piling hoop (26412) and roller assembly (26414) to make up for the up and down movement. For pilings u... More Details

For use as a pile holder with 3/8" galvanized chain and shackles. Can be adjusted for various pile diameters. Size: 20-1/4" x 4-1/4" x 4-1/4" x 1/4" Steel.... More Details

Standard grade. Should be used with every Angle. Two required for each Angle. 1-1/2"L x 5"H.... More Details

Commercial grade. Should be used with every Angle. Two required for each Angle. 1-1/2"L x 5"H.... More Details

With the addition of the Cross Beam 28 Extension, the cross beam used in the Clamp Receiver with Cross Beam or the Slotted Receiver with Cross Beam can be lengthened for use on docks that are six feet... More Details

With the addition of the Cross Beam 28 Extension, the cross beam used in the Clamp Receiver with Cross Beam or the Slotted Receiver with Cross Beam can be lengthened for use on docks that are six feet... More Details

This mounting bracket provides secure mounting support for Magma's Kettle grills. Requires 1 receiver.... More Details

The Slotted Style Receiver with the cross beam mounting bracket provides a secure mounting solution for solid side rail docks.The assembly mounts on the side rails of solid rail style docks and is sec... More Details

For use with spring hanger brackets. Fluting prevents the bolt from turning, which can wear hanger brackets. Grade 5 steel. 9/16" x 3" bolts with nuts.... More Details

Solid steel hangers that can be used on slipper and double eye springs that are mounted on 1,000-3,500 lb. capacity, medium-duty axles. Pre-drilled for 9/16" bolt.... More Details

Steps are galvanized for extra protection. Protects against rust and corrosion in salt water.... More Details

Steps are galvanized for extra protection. Protects against rust and corrosion in salt water.... More Details

Steps are galvanized for extra protection. Protects against rust and corrosion in salt water.... More Details

Replace bunk boards with these roller bunks. Heavy-duty galvanized steel frame provides full hull support. Roller bunks can be adjusted vertically with optional bolster support swivel brackets. Does n... More Details

Replace bunk boards with these roller bunks. Heavy-duty galvanized steel frame provides full hull support. Roller bunks can be adjusted vertically with optional bolster support swivel brackets. Does n... More Details

Replace bunk boards with these roller bunks. Heavy-duty galvanized steel frame provides full hull support. Roller bunks can be adjusted vertically with optional bolster support swivel brackets. Does n... More Details

Replace bunk boards with these roller bunks. Heavy-duty galvanized steel frame provides full hull support. Roller bunks can be adjusted vertically with optional bolster support swivel brackets. Does n... More Details

Packaged roller shaft/pal nut combinations make for easier consumer purchases. Roller shafts come with roller shaft and 2 pal nuts.... More Details

Packaged roller shaft/pal nut combinations make for easier consumer purchases. Roller shafts come with roller shaft and 2 pal nuts.... More Details

Packaged roller shaft/pal nut combinations make for easier consumer purchases. Roller shafts come with roller shaft and 2 pal nuts.... More Details

Packaged roller shaft/pal nut combinations make for easier consumer purchases. Roller shafts come with roller shaft and 2 pal nuts.... More Details

Packaged roller shaft/pal nut combinations make for easier consumer purchases. Roller shafts come with roller shaft and 2 pal nuts.... More Details

Packaged roller shaft/pal nut combinations make for easier consumer purchases. Roller shafts come with roller shaft and 2 pal nuts.... More Details

Made of galvanized steel 7 x 19 aircraft cable to handle heavy loads. Each cable is fitted with a heavy-duty galvanized latch hook, pull proof loop and a fastener end for replacement use on Powerwinch... More Details

Made of galvanized steel 7 x 19 aircraft cable to handle heavy loads. Each cable is fitted with a heavy-duty galvanized latch hook, pull proof loop and a fastener end for replacement use on Powerwinch... More Details

Made of galvanized steel 7 x 19 aircraft cable to handle heavy loads. Each cable is fitted with a heavy-duty galvanized latch hook, pull proof loop and a fastener end for replacement use on Powerwinch... More Details

Made of galvanized steel 7 x 19 aircraft cable to handle heavy loads. Each cable is fitted with a heavy-duty galvanized latch hook, pull proof loop and a fastener end for replacement use on Powerwinch... More Details

Made of galvanized steel 7 x 19 aircraft cable to handle heavy loads. Each cable is fitted with a heavy-duty galvanized latch hook, pull proof loop and a fastener end for replacement use on Powerwinch... More Details

Made of galvanized steel 7 x 19 aircraft cable to handle heavy loads. Each cable is fitted with a heavy-duty galvanized latch hook, pull proof loop and a fastener end for replacement use on Powerwinch... More Details

One piece, heavy-duty, hot dipped galvanized 11 gauge steel. Specifically designed to support keel rollers. Slots accept 7/16" or 1/2" diameter bolts and provide vertical adjustment. Roller shaft diam... More Details

One piece, heavy-duty, hot dipped galvanized 11 gauge steel. Specifically designed to support keel rollers. Slots accept 7/16" or 1/2" diameter bolts and provide vertical adjustment. Roller shaft diam... More Details

One piece, heavy-duty, hot dipped galvanized 11 gauge steel. Specifically designed to support keel rollers. Slots accept 7/16" or 1/2" diameter bolts and provide vertical adjustment. Roller shaft diam... More Details

One piece, heavy-duty, hot dipped galvanized 11 gauge steel. Specifically designed to support keel rollers. Slots accept 7/16" or 1/2" diameter bolts and provide vertical adjustment. Roller shaft diam... More Details

One piece, heavy-duty, hot dipped galvanized 11 gauge steel. Specifically designed to support keel rollers. Slots accept 7/16" or 1/2" diameter bolts and provide vertical adjustment. Roller shaft diam... More Details

Assemblies include amber or black poly vinyl keel roller, shaft & pal nuts. Brackets are one piece, heavy-duty hot dip galvanized 11 gauge steel, specifically designed to support keel rollers. Bracket... More Details

Assemblies include amber or black poly vinyl keel roller, shaft & pal nuts. Brackets are one piece, heavy-duty hot dip galvanized 11 gauge steel, specifically designed to support keel rollers. Bracket... More Details

Assemblies include amber or black poly vinyl keel roller, shaft & pal nuts. Brackets are one piece, heavy-duty hot dip galvanized 11 gauge steel, specifically designed to support keel rollers. Bracket... More Details

Assemblies include amber or black poly vinyl keel roller, shaft & pal nuts. Brackets are one piece, heavy-duty hot dip galvanized 11 gauge steel, specifically designed to support keel rollers. Bracket... More Details

Assemblies include amber or black poly vinyl keel roller, shaft & pal nuts. Brackets are one piece, heavy-duty hot dip galvanized 11 gauge steel, specifically designed to support keel rollers. Bracket... More Details

Assemblies include amber or black poly vinyl keel roller, shaft & pal nuts. Brackets are one piece, heavy-duty hot dip galvanized 11 gauge steel, specifically designed to support keel rollers. Bracket... More Details

Assemblies include amber or black poly vinyl keel roller, shaft & pal nuts. Brackets are one piece, heavy-duty hot dip galvanized 11 gauge steel, specifically designed to support keel rollers. Bracket... More Details

Assemblies include amber or black poly vinyl keel roller, shaft & pal nuts. Brackets are one piece, heavy-duty hot dip galvanized 11 gauge steel, specifically designed to support keel rollers. Bracket... More Details

Assemblies include black rubber keel roller, shaft & pal nuts. Brackets are one piece, heavy-duty hot dip galvanized 11 gauge steel, specifically designed to support keel rollers. Bracket 5-3/8" with ... More Details

Assemblies include black rubber keel roller, shaft & pal nuts. Brackets are one piece, heavy-duty hot dip galvanized 11 gauge steel, specifically designed to support keel rollers. Bracket 8-3/8" with ... More Details

Assemblies include black rubber keel roller, shaft & pal nuts. Brackets are one piece, heavy-duty hot dip galvanized 11 gauge steel, specifically designed to support keel rollers. Bracket 10-3/8" with... More Details

Assemblies include black rubber keel roller, shaft & pal nuts. Brackets are one piece, heavy-duty hot dip galvanized 11 gauge steel, specifically designed to support keel rollers. Bracket 12-3/8" with... More Details

Used for mounting brackets and component to trailer frame. Includes galvanized U-bolts, flat washers, lock washers and nuts.... More Details

Used for mounting brackets and component to trailer frame. Includes galvanized U-bolts, flat washers, lock washers and nuts.... More Details

Used for mounting brackets and component to trailer frame. Includes galvanized U-bolts, flat washers, lock washers and nuts.... More Details

Used for mounting brackets and component to trailer frame. Includes galvanized U-bolts, flat washers, lock washers and nuts.... More Details

Used for mounting brackets and component to trailer frame. Includes galvanized U-bolts, flat washers, lock washers and nuts.... More Details

Used for mounting brackets and component to trailer frame. Includes galvanized U-bolts, flat washers, lock washers and nuts.... More Details

Used for mounting brackets and component to trailer frame. Includes galvanized U-bolts, flat washers, lock washers and nuts.... More Details

Used for mounting brackets and component to trailer frame. Includes galvanized U-bolts, flat washers, lock washers and nuts.... More Details

Mount these 13" rubber rollers on top or beneath frame for added adjustment. Hot dip galvanized mounts adjust for widths to 13" on each side. Fits frame up to 4". Hardware included. Sold in pairs.... More Details

PVC pipe guides the boat on safely and gives a visual aid when backing an empty trailer. The non-mar PVC pipe is braced inside with metal tubing going 20" up into the tube, adding strength and impact ... More Details

Hull Sav'r boat guides are designed to absorb impact of the hull and protect the trailer's finish. Poly vinyl protector pads eliminate metal to metal contact and prevents rust. Shock dampener and wedg... More Details

Adapts to all tube and channel trailer frames. Hot dip galvanized for lasting protection. Heavy duty steel component parts. Heavy duty 4' x 2-3/8" PVC guide tubes, 16" of adjustment. All hardware incl... More Details

Roller angle adjusts to angle of hull; 16" of adjustment (8" each side). Hot dip galvanized steel. One piece adjustable clamp with U-bolt. Fits all channel and tube frames up to 5". Sold in pairs.... More Details

PVC pipe guides the boat on safely and gives a visual aid when backing an empty trailer. The non-mar PVC pipe is braced inside with metal tubing going 20" up into the tube, adding strength and impact ... More Details

Soft poly vinyl cradles your boat protecting it from scratches and dings. All hardware included. Universal fit for 3" and 4" trailer frame sizes. Sold in pairs.... More Details

Hull Sav'r boat guides are designed to absorb impact of the hull and protect the trailer's finish. Poly vinyl protector pads eliminate metal to metal contact and prevents rust. All hardware included. ... More Details

Hull Sav'r boat guides are designed to absorb impact of the hull and protect the trailer's finish. Poly vinyl protector pads eliminate metal to metal contact and prevents rust. All hardware included. ... More Details

PVC pipe guides the boat on safely and gives a visual aid when backing an empty trailer. The non-mar PVC pipe is braced inside with metal tubing going 20" up into the tube, adding strength and impact ... More Details

PVC pipe guides the boat on safely and gives a visual aid when backing an empty trailer. The non-mar PVC pipe is braced inside with metal tubing going 20" up into the tube, adding strength and impact ... More Details

Bright orange end caps on these PVC guides gives a brighter target when loading a pontoon boat. The guide posts are designed to be mounted between the pontoons. Made of 1-1/2" square, 16-gauge steel t... More Details

Ideal for jon boats, bass boats and personal watercraft. The guide posts are made of 1-1/2" square, 16-gauge steel tubing and galvanized for long life. Guide covers are made from high impact non-marki... More Details

Ideal for larger pontoon boats. These guides are designed for rough water loading where high impact guides are required. The guide posts are hot dip galvanized for long life with covers made from high... More Details

When the trailer is submerged, the PVC guide rises upward adding an additional 12" in sight with adjustable viewing sight of 24"- 36" overall height. Bright orange end caps on these PVC guides give yo... More Details

Sold in pairs (right and left) to accommodate any size roller length. Slot allows vertical adjustment for stabilizing boat on trailer. Slots accept 7/16" or 1/2" bolts. Use 1/2" or 5/8" roller shaft.... More Details

Adjustable offset brackets mount on tongue for keel support. Complete with 4" rubber roller (for 2" wide tongue).... More Details

Heavy 11 gauge hot dipped galvanized steel brackets mount 2" bunks on edge. Slotted for vertical adjustment to standard or deep-V hulls.... More Details

Heavy 11 gauge hot dipped galvanized steel brackets mount 2" bunks on edge. Slotted for vertical adjustment to standard or deep-V hulls.... More Details

Heavy 11 gauge hot dipped galvanized steel brackets mount 2" bunks on edge. Slotted for vertical adjustment to standard or deep-V hulls.... More Details

Black poly vinyl rollers are long lasting, will absorb shock, are cut resistant and will not mark your boat. Size 2" x 2" x 1/2" with 1/2" hole.... More Details

Black poly vinyl rollers are long lasting, will absorb shock, are cut resistant and will not mark your boat. Size: 2-1/2" x 1-1/2" x 5/8" with 5/8" hole.... More Details

Black Spool Rubber Roller. Size 4" with 5/8" hole.... More Details

Black Spool Rubber Roller. Size 5" with 1/2" hole.... More Details

Black Spool Rubber Roller. Size 5" with 5/8" hole.... More Details

5" Black Rubber Center Guide Keel Roller with 5/8" Hole.... More Details

8" Rubber Center Guide Keel Roller with 5/8" hole.... More Details

10" Rubber Center Guide Keel Roller with 5/8" hole.... More Details

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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.