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.
Canadian Based. Customer Focused.

Premium Marine Quality Parts

Results 101 - 200 of 557
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GROCO 1/4" NPT Bronze In-Line Ball Valve

Fittings, GROCO
$37.53

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GROCO 1/4" NPT Bronze Inline Fuel Valve

Fittings, GROCO
$37.53



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GROCO 2-1/2" Safety Seacock w/2" Side Port

Fittings, GROCO
$2,312.96

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GROCO 2" Bronze Flanged Full Flow Seacock

Fittings, GROCO
$1,244.05

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GROCO 2" Bronze In-Line Check Valve

Fittings, GROCO
$305.80

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GROCO 2" Bronze NPS to NPT Flange Adapter

Fittings, GROCO
$170.97

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GROCO 2" Bronze Pipe Nipple Check Valve

Fittings, GROCO
$98.69



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GROCO 2" NPT Bronze In-Line Ball Valve

Fittings, GROCO
$348.89


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GROCO 2" Safety Seacock w/1-1/2" Side Port

Fittings, GROCO
$1,562.36

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GROCO 3" Full Flow Ball Valve

Fittings, GROCO
$1,106.44



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GROCO 3" Safety Seacock w/2-1/2" Side Port

Fittings, GROCO
$3,821.11

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GROCO 3/4" Bronze Flanged Full Flow Seacock

Fittings, GROCO
$499.01

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GROCO 3/4" Bronze In-Line Check Valve

Fittings, GROCO
$54.21

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GROCO 3/4" Bronze Nipple Check Valve

Fittings, GROCO
$29.19

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GROCO 3/4" Bronze NPS to NPT Flange Adapter

Fittings, GROCO
$88.96


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GROCO 3/4" NPT Bronze 3-Way Valve

Fittings, GROCO
$95.91


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GROCO 3/4" NPT Bronze In-Line Ball Valve

Fittings, GROCO
$56.99

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GROCO 3/4" NPT Bronze Inline Fuel Valve

Fittings, GROCO
$73.67


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GROCO 3/8" NPT Bronze In-Line Ball Valve

Fittings, GROCO
$37.53

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GROCO 3/8" NPT Bronze Inline Fuel Valve

Fittings, GROCO
$37.53




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GROCO Backing Block f/2" & 2-1/2" Seacocks

Fittings, GROCO
$145.95

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GROCO Backing Block f/3/4" & 1" Seacocks

Fittings, GROCO
$98.69

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GROCO Bronze Pipe Nipple - 1-1/2" NPT

Fittings, GROCO
$51.43

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GROCO Bronze Pipe Nipple - 1-1/4" NPT

Fittings, GROCO
$48.65

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GROCO Bronze Pipe Nipple - 1" NPT

Fittings, GROCO
$27.80

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GROCO Bronze Pipe Nipple - 1/2" NPT

Fittings, GROCO
$12.51

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GROCO Bronze Pipe Nipple - 2-1/2" NPT

Fittings, GROCO
$98.69

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GROCO Bronze Pipe Nipple - 2" NPT

Fittings, GROCO
$73.67

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GROCO Bronze Pipe Nipple - 3" NPT

Fittings, GROCO
$182.09

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GROCO Bronze Pipe Nipple - 3/4" NPT

Fittings, GROCO
$16.68

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GROCO Bronze Pipe Nipple - 4" NPT

Fittings, GROCO
$272.44


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GROCO Garboard Drain w/Inside T-Handle Plug

Fittings, GROCO
$139.00

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GROCO Garboard Drain w/Plug

Fittings, GROCO
$16.68

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Jabsco Flush Mount Hose Adapter

Cleaning, Fittings, Jabsco
$88.95

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Johnson Pump Bulkhead Fitting 3/4" Hose

Fittings, Johnson Pump
$69.83

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Johnson Pump Deck Wash Single Outlet Single Flush

Fittings, Johnson Pump
$271.49

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Johnson Pump Threaded Blue Insert f/61121 & 61122

Fittings, Johnson Pump
$62.69

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Perko 0540 Gas Fill/Vent f/1-1/2" Hose - Angled Neck

Deck Fills, Fittings, Perko
$117.57

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Perko 0540 Spare Cap w/Chain

Deck Fills, Fittings, Perko
$100.84

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Perko 0541Vented Fill f/1-1/2" Hose - Straight Neck - Gas

Deck Fills, Fittings, Perko
$117.57



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Perko 0582 Style Replacement Cap w/Inserts

Fittings, Perko
$103.49

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Perko 0590 Vented Fill f/1-1/2" Hose - Angled Neck - Chrome

Deck Fills, Fittings, Perko
$182.83

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Perko 0591 Vented Fill f/1-1/2" Hose - Straight Neck - Chrome

Deck Fills, Fittings, Perko
$182.83

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Perko 1-1/2" Seacock w/Curved Tail Piece

Fittings, Perko
$957.38


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Perko 2-1/2" Seacock Ball Valve Bronze

Fittings, Perko
$2,026.54

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Northern Marine Canada
Proudly Canadian Owned & Operated!
Serving customers across Canada & the USA with marine parts and accessories.
Canadian Head Office:
Kingston, Ontario, Canada
Warehouse Locations:
Toronto, Ontario, Canada
New Jersey, USA
Florida, USA

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.