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!

Premium Marine Quality Parts

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Maintains correct pressureLong service lifeMinimized swelling and fatigueExcellent self-priming abilityCorrect sizeProvides correct cooling flow for pump right at start-upWe strongly recommend that th... More Details

Maintains correct pressureLong service lifeMinimized swelling and fatigueExcellent self-priming abilityCorrect sizeProvides correct cooling flow for pump right at start-upWe strongly recommend that th... More Details

Watertight thru hull fitting . Self attaching. No additional hardware required. Accepts single or double cable. 2" maximum hull.... More Details

Watertight thru hull fitting . Self attaching. No additional hardware required. Accepts single or double cable. 2" maximum hull.... More Details

Watertight thru hull fitting . Self attaching. No additional hardware required. Accepts single or double cable. 2" maximum hull.... More Details

Watertight thru hull fitting . Self attaching. No additional hardware required. Accepts single or double cable. 2" maximum hull.... More Details

Seachoice Acorn Cap Nuts feature a closed nut with smooth, rounded head for an attractive finish. They are also ideal for use when very little of the bolt is exposed, and the rounded head protects the... More Details

Seachoice Acorn Cap Nuts feature a closed nut with smooth, rounded head for an attractive finish. They are also ideal for use when very little of the bolt is exposed, and the rounded head protects the... More Details

Seachoice Acorn Cap Nuts feature a closed nut with smooth, rounded head for an attractive finish. They are also ideal for use when very little of the bolt is exposed, and the rounded head protects the... More Details

Seachoice Acorn Cap Nuts feature a closed nut with smooth, rounded head for an attractive finish. They are also ideal for use when very little of the bolt is exposed, and the rounded head protects the... More Details

Seachoice Acorn Cap Nuts feature a closed nut with smooth, rounded head for an attractive finish. They are also ideal for use when very little of the bolt is exposed, and the rounded head protects the... More Details

Seachoice Acorn Cap Nuts feature a closed nut with smooth, rounded head for an attractive finish. They are also ideal for use when very little of the bolt is exposed, and the rounded head protects the... More Details

Seachoice Acorn Cap Nuts feature a closed nut with smooth, rounded head for an attractive finish. They are also ideal for use when very little of the bolt is exposed, and the rounded head protects the... More Details

Seachoice Acorn Cap Nuts feature a closed nut with smooth, rounded head for an attractive finish. They are also ideal for use when very little of the bolt is exposed, and the rounded head protects the... More Details

Seachoice Phillips Barrel Nuts With Truss Head are made from 18-8 stainless steel to resist the corrosive effects of marine environments. They provide an attractive alternative to through-bolted appli... More Details

Seachoice Phillips Barrel Nuts With Truss Head are made from 18-8 stainless steel to resist the corrosive effects of marine environments. They provide an attractive alternative to through-bolted appli... More Details

Seachoice Phillips Barrel Nuts With Truss Head are made from 18-8 stainless steel to resist the corrosive effects of marine environments. They provide an attractive alternative to through-bolted appli... More Details

Seachoice Phillips Barrel Nuts With Truss Head are made from 18-8 stainless steel to resist the corrosive effects of marine environments. They provide an attractive alternative to through-bolted appli... More Details

Seachoice Wing Nuts are ideal for applications where tools are not needed. Just tighten with your fingers using the two protruding "wings". Seachoice is committed to delivering quality marine accessor... More Details

Seachoice Wing Nuts are ideal for applications where tools are not needed. Just tighten with your fingers using the two protruding "wings". Seachoice is committed to delivering quality marine accessor... More Details

Seachoice Wing Nuts are ideal for applications where tools are not needed. Just tighten with your fingers using the two protruding "wings". Seachoice is committed to delivering quality marine accessor... More Details

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Seachoice 18331 Adjustable Inboard Engine Flusher - 50-18331 - 50-18331F1

Seachoice, Rails, Ladders & Seating
$46.39
The Seachoice Adjustable Inboard Engine Flusher flushes sand, silt, and alkali from your inboard motor. It features a telescoping shaft for precise alignment, especially in hard-to-reach areas. The la... More Details

Easily snaps on, quickly flushes salt water from outboard. O-ring sealed. Slide valve stays on engine permanently. EASY installation! Kit contains: slide valve and quick connect.... More Details

Threaded removable plug Threaded removable plugRetention system keeps plug from getting lostHigh polished 316 stainless steel reduces corrosion... More Details

Just shake end with Glass Ball while in tank to be drained. Put other end of hose in tank to be filled. Ideal for transferring liquids (fuel, water, etc.) Anti-static for trasnferring fuel.... 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.