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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Groco Cv Bronze In-Line Check Valve - Cv-50 - 34-Cv50F1

Groco, Hoses, Clamps & Fittings
$42.49
In-line check valve may be used in water or fuel systems to keep pumps primed and to prevent back-flow in pressure systems. Unique design reduces flow turbulence and restriction, and improves pump per... More Details
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Groco Cv Bronze In-Line Check Valve - Cv-200 - 34-Cv200F1

Groco, Hoses, Clamps & Fittings
$285.19
In-line check valve may be used in water or fuel systems to keep pumps primed and to prevent back-flow in pressure systems. Unique design reduces flow turbulence and restriction, and improves pump per... More Details
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Groco Cv Bronze In-Line Check Valve - Cv-150 - 34-Cv150F1

Groco, Hoses, Clamps & Fittings
$191.79
In-line check valve may be used in water or fuel systems to keep pumps primed and to prevent back-flow in pressure systems. Unique design reduces flow turbulence and restriction, and improves pump per... More Details
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Groco Cv Bronze In-Line Check Valve - Cv-125 - 34-Cv125F1

Groco, Hoses, Clamps & Fittings
$125.99
In-line check valve may be used in water or fuel systems to keep pumps primed and to prevent back-flow in pressure systems. Unique design reduces flow turbulence and restriction, and improves pump per... More Details
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Groco Cv Bronze In-Line Check Valve - Cv-100 - 34-Cv100F1

Groco, Hoses, Clamps & Fittings
$67.29
In-line check valve may be used in water or fuel systems to keep pumps primed and to prevent back-flow in pressure systems. Unique design reduces flow turbulence and restriction, and improves pump per... More Details
Ideal for baitwell or any onboard pumping job that needs high flow and low pressure. Includes garden hose adapter. Motor is ignition protected. Includes an adapter for garden hose conection.NOT TO BE ... More Details
Completely assembled and water tested salt water washdown system provides pressurized water on demand. For deck, anchor wash, or both. Features permanent magnet ball bearing motor, SPO-60-N vane pump,... 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
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
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
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Groco Bm5 Monel Filter Basket - Bm-5 - 34-Bm5F1

Groco, Filters, Oils & Lubricants
$361.69
Spare Basket... More Details
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Groco Bm3 Monel Filter Basket - Bm-3 - 34-Bm3F1

Groco, Filters, Oils & Lubricants
$283.69
Spare Basket... More Details
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Groco Bm2 Monel Filter Basket - Bm-2 - 34-Bm2F1

Groco, Filters, Oils & Lubricants
$232.99
Spare Basket... More Details
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Groco Bm11 Monel Filter Basket - Bm-11 - 34-Bm11F1

Groco, Filters, Oils & Lubricants
$559.29
Spare Basket... 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
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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 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.