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Original & OEM Quality Parts

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Nylon Head Screw-1/4" -20 X 7/8", White Pr... More Details

Nylon Head Screw-1/4"-20 X 7/8", Black Pr... More Details

Top Fitting inserts for 1" square tubing are constructed of UV stabilized injection molded nylon. Top Fittings create an attachment point and function as a pivot point as part of a Bimini top system. ... More Details

A complete selection of nylon top fittings for repair and new tops.... More Details

Constructed of UV resistant black injection molded nylon. These Windshield Latches are used to secure windshield doors with a simple twist design. Prevents rattling due to engine vibration at high spe... More Details


Injection molded polypropylene. Reduces 5/8" oarlock socket down to 1/2".... More Details

Oarlocks are ideal for light service duty. 1/2" shank. Recommended for freshwater use. Die cast chrome plated zinc construction.... More Details


Vertically mounted, this will protect cables and electrical wiring on items such as depth sounders, speedometers and coax when passing through transom holes. 304 stainless steel. Carded.... More Details


The Plugmateâ„¢ wrench features multiple deck keys. Fits standard garboard plugs as well as "T" style plugs. Constructed of durable injection molded polypropylene. Includes one replacement plug stored i... More Details

Polarized Electrical Outlet is constructed with an injection molded thermo plastic body and cap, with machined brass polarized pins. For use as a 4-conductor deck cable outlet. Pins are sized differen... More Details

Made of molded rubber.... More Details

Three Position Magneto Style Ignition Switch is constructed of polypropylene. For off, ignition, start, and choke functions. 13/16" diameter short shaft for a maximum panel thickness: 5/8. Six screw o... More Details

Four Position Ignition Switch is constructed of polypropylene. For accessory, off, ignition, and start functions. 13/16" diameter long shaft. Maximum panel thickness: 1-1/8. Four screw or four blade t... More Details

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

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

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

These Illuminating Rocker Switches are constructed of durable injection molded nylon and stamped brass. Illuminates in the ON position. Easy to install by simply snapping into a standard 7/8" x 1-7/16... More Details

Adds 12V power almost anywhere. Socket is constructed of injection molded nylon & ABS. Maximum: 12VDC, 16A. Installs with two #8 FH fasteners (not included).... More Details

Plug features stamped brass contacts. Maximum: 12VDC, 16A.... More Details

Power Socket with Plug easily adds 12V power almost anywhere. Socket set is constructed of injection molded nylon & ABS. Plug features stamped brass contacts. Maximum: 12VDC, 16A. Installs with two #8... More Details

Injection molded ABS. Fits all Sea-Dog Line power sockets.... More Details

Power Socket with Battery Clips is constructed of injection molded nylon and stamped brass. Battery clip adapter allows for the temporary use of 12V power accessories on small boats without a built-in... More Details

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Prop Wrench - 531112 - 354-531112F1

Sea-Dog Line
$19.94
Outboard Motor Flush quickly flushes away salt, sand, minerals, and contaminates from your lower unit cooling system, extending the engine's service life. Easy-to-use molded PVC cups deliver fresh wat... More Details

The formed 304 stainless pulpit flag pole fits 7/8" or 1" tubing. Each flag pole comes complete with split rings for easy flag attachment and has a polyethylene spacer to reduce scratching of the rail... More Details

Side mounted Drink Holder accommodates beverage containers up to 3-1/2". Constructed of soft PVC.... More Details

These Terminal Caps are designed to insulate terminals protecting cables from corrosion and shorting. May be used on uninsulated, high amperage stud connections on chargers, inverters, starters, windl... More Details

These Terminal Caps are designed to insulate terminals protecting cables from corrosion and shorting. May be used on uninsulated, high amperage stud connections on chargers, inverters, starters, windl... More Details

The Sea-Dog® Quarter-Turn Deck Plate is constructed of UV stabilized ABS. Features a new locking system that prevents over tightening, jamming, and cross threading. These deck plates also feature an i... More Details

The Sea-Dog® Quarter-Turn Deck Plate is constructed of UV stabilized ABS. Features a new locking system that prevents over tightening, jamming, and cross threading. These deck plates also feature an i... More Details

The Sea-Dog® Quarter-Turn Deck Plate is constructed of UV stabilized ABS. Features a new locking system that prevents over tightening, jamming, and cross threading. These deck plates also feature an i... More Details

The Sea-Dog® Quarter-Turn Deck Plate is constructed of UV stabilized ABS. Features a new locking system that prevents over tightening, jamming, and cross threading. These deck plates also feature an i... More Details

The Sea-Dog® Quarter-Turn Deck Plate is constructed of UV stabilized ABS. Features a new locking system that prevents over tightening, jamming, and cross threading. These deck plates also feature an i... More Details

The Sea-Dog® Quarter-Turn Deck Plate is constructed of UV stabilized ABS. Features a new locking system that prevents over tightening, jamming, and cross threading. These deck plates also feature an i... More Details

Reusable and removable, quick links feature two-sided thread links designed for fast, easy connections between 2 lengths of chain or for attaching accessories to chain. Hex shaped bolt for easy openin... More Details

Reusable and removable, quick links feature two-sided thread links designed for fast, easy connections between 2 lengths of chain or for attaching accessories to chain. Hex shaped bolt for easy openin... More Details

Reusable and removable, quick links feature two-sided thread links designed for fast, easy connections between 2 lengths of chain or for attaching accessories to chain. Hex shaped bolt for easy openin... More Details

Reusable and removable, quick links feature two-sided thread links designed for fast, easy connections between 2 lengths of chain or for attaching accessories to chain. Hex shaped bolt for easy openin... More Details

Reusable and removable, quick links feature two-sided thread links designed for fast, easy connections between 2 lengths of chain or for attaching accessories to chain. Hex shaped bolt for easy openin... More Details

Reusable and removable, quick links feature two-sided thread links designed for fast, easy connections between 2 lengths of chain or for attaching accessories to chain. Hex shaped bolt for easy openin... More Details

Reusable and removable, quick links feature two-sided thread links designed for fast, easy connections between 2 lengths of chain or for attaching accessories to chain. Hex shaped bolt for easy openin... More Details

Reusable and removable, quick links feature two-sided thread links designed for fast, easy connections between 2 lengths of chain or for attaching accessories to chain. Hex shaped bolt for easy openin... More Details

Ratchet rail mount antenna bracket attaches to 7/8" and 1" vertical and horizontal rails. Lever action laydown handle makes lowering antenna quick and easy for passing under bridges, storage and trail... More Details

These Rail Mount Bow Sockets are designed to fit snugly on a 7/8" round rail without the use of fasteners. Used in conjunction with battens to assemble a rounded support structure for a boat cover and... More Details

The Rail Mount Fixed Antenna Base is constructed of corrosion resistant formed 304 stainless steel.Includes UV stabilized injection molded nylon mounting brackets for use on 7/8" and 1" tubing. Can be... More Details

Stainless steel flag pole with injection molded nylon rail mount bracket comes complete with split rings for easy flag attachment. For use on either 7/8" or 1" tubing. Maximum safe speed 10 MPH.... More Details

Constructed of chrome plated die cast zinc. Recommended for freshwater use. Installs to deck with #10 FH fasteners (not included). Fittings can be attached to railing with set screws or can be pop riv... More Details

Constructed of chrome plated die cast zinc. Recommended for freshwater use. Installs to deck with #10 FH fasteners (not included). Fittings can be attached to railing with set screws or can be pop riv... More Details

Constructed of chrome plated die cast zinc. Recommended for freshwater use. Installs to deck with #10 FH fasteners (not included). Fittings can be attached to railing with set screws or can be pop riv... More Details

Stainless Shock Cord Crimps. Sold in packs of 10.... More Details

Stainless Shock Cord Crimps. Sold in packs of 10.... More Details

Stainless Shock Cord Crimps. Sold in packs of 10.... More Details

Natural rubber roller with a brass insert.... More Details

Natural rubber roller with a brass insert.... More Details

Cap threads are 1-1/4" x 11-1/2 NPSM straight. Clam Shell.... More Details


Die cast zinc chrome plated. Cap includes chain. Use #10 FH fastener.... More Details

Injection molded nylon.... More Details

Leads have one red and one black 12" lead with right angle .250" push-on connector and one .250" male spade connector. Tin plated copper/injection molded nylon.... More Details

Rocker Switch is constructed of durable, weather resistant injection molded nylon and polycarbonate housing. Snap-in panel mount fits 1/2" x 1-1/8" switch cut-out. Wires easily with three stamped bras... More Details

Rocker Switch is constructed of durable, weather resistant injection molded nylon and polycarbonate housing. Snap-in panel mount fits 1/2" x 1-1/8" switch cut-out. Wires easily with three stamped bras... More Details

These Large Rocker Switches are constructed of durable injection molded nylon and stamped brass. Easy to install by simply snapping into a standard 7/8" x 1-7/16" panel slot, with wiring for 1/4" blad... More Details

These Illuminating Rocker Switches are constructed of durable injection molded nylon and stamped brass. Illuminates in the ON position. Easy to install by simply snapping into a standard 7/8" x 1-7/16... More Details

These Large Rocker Switches are constructed of durable injection molded nylon and stamped brass. Easy to install by simply snapping into a standard 7/8" x 1-7/16" panel slot, with wiring for 1/4" blad... More Details

These Large Rocker Switches are constructed of durable injection molded nylon and stamped brass. Easy to install by simply snapping into a standard 7/8" x 1-7/16" panel slot, with wiring for 1/4" blad... More Details

These Large Rocker Switches are constructed of durable injection molded nylon and stamped brass. Easy to install by simply snapping into a standard 7/8" x 1-7/16" panel slot, with wiring for 1/4" blad... More Details

Constructed of sturdy injection molded nylon. These catches feature stainless steel springs and provide secure closure for cabinet doors. Installs with four #8 RH fasteners (not included).... More Details

Constructed of sturdy injection molded nylon. These catches feature stainless steel springs and provide secure closure for cabinet doors. Installs with four #8 RH fasteners (not included).... More Details

Constructed of chrome plated die cast zinc. These Rail Base Fittings are recommended for freshwater use. Installs to deck with #10 FH fasteners (not included). Fittings can be attached to railing with... More Details

Constructed of chrome plated die cast zinc. These Rail Base Fittings are recommended for freshwater use. Installs to deck with #10 FH fasteners (not included). Fittings can be attached to railing with... More Details

These Round Side Door Hinges are constructed of corrosion resistant, stamped 304 stainless steel. Ideal for cabinet doors in tight spaces. Installs with four #8 FH fasteners (not included).... More Details

These Rubber Tie Downs are great for securing tarps, as well as cargo on trailers, trucks, campers, etc. Excellent for cooler climates; natural rubber straps will not become brittle, snap or tear in f... More Details

These Rubber Tie Downs are great for securing tarps, as well as cargo on trailers, trucks, campers, etc. Excellent for cooler climates; natural rubber straps will not become brittle, snap or tear in f... More Details

These Rubber Tie Downs are great for securing tarps, as well as cargo on trailers, trucks, campers, etc. Excellent for cooler climates; natural rubber straps will not become brittle, snap or tear in f... More Details

These Rubber Tie Downs are great for securing tarps, as well as cargo on trailers, trucks, campers, etc. Excellent for cooler climates; natural rubber straps will not become brittle, snap or tear in f... More Details

Use this Trailer Chain between your trailer and vehicle as an added layer of security to prevent separation if trailer inadvertently comes off trailer ball. Secures with S-hooks on both ends. Zinc pla... More Details

The marine emergency cut-off Universal Kill Switch attaches to your life vest while operating a boat or personal watercraft and is designed to instantly cut battery power when detached. Dual circuitry... More Details

Meets USCG requirements for warning device on small craft. Bright color makes it easy to locate in an emergency. Injected molded polypropylene construction. Includes 36" lanyard.... More Details

Meets USCG requirements for warning device on small craft. Bright color makes it easy to locate in an emergency. Injected molded polypropylene construction.... More Details

Injection molded nylon. Carded.... More Details

100% premium twisted three-strand nylon Professionally spliced with five tucks and yacht whipped at bitter end and splce point... More Details

100% premium twisted three-strand nylon Professionally spliced with five tucks and yacht whipped at bitter end and splice point... 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.