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 601 - 700 of 2539
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GROCO 2" Bronze Pipe Nipple Check Valve

Fittings, GROCO
$98.69


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GROCO 2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut

Thru-Hull Fittings, GROCO
$148.73



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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 2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut

Thru-Hull Fittings, GROCO
$119.54

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GROCO 3 Port Oil Change System w/Reversing Switch - 12V

Transfer Pumps, Oil Change Systems, GROCO
$1,738.89

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GROCO 3 Port Oil Change System w/Reversing Switch - 24V

Transfer Pumps, Oil Change Systems, GROCO
$1,766.69

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GROCO 3" Bronze High Speed Thru-Hull Fitting w/Nut

Thru-Hull Fittings, GROCO
$433.68

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GROCO 3" Bronze Thru-Hull Fitting w/Nut

Thru-Hull Fittings, GROCO
$461.48

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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" 90 Degree Hose Thru-Hull Fitting

Thru-Hull Fittings, GROCO
$77.84

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GROCO 3/4" Ball Valve/Seacock & Raw Water Strainer Combo

Strainers & Baskets, GROCO
$1,312.16

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GROCO 3/4" Bronze Combo Scoop Thru-Hull w/Nut

Thru-Hull Fittings, GROCO
$61.16


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GROCO 3/4" Bronze Extra Long Thru-Hull Fitting w/Nut

Thru-Hull Fittings, GROCO
$59.77

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GROCO 3/4" Bronze Flanged Full Flow Seacock

Fittings, GROCO
$499.01

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GROCO 3/4" Bronze High Speed Thru-Hull Fitting w/Nut

Thru-Hull Fittings, GROCO
$31.97

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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" Fresh Water Strainer w/#304 SS Basket

Strainers & Baskets, GROCO
$84.79

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GROCO 3/4" Fresh Water Strainer w/Plastic Basket

Strainers & Baskets, GROCO
$91.74

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GROCO 3/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut

Thru-Hull Fittings, GROCO
$31.97


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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 3/4" Slotted Hi Speed Thru-Hull w/Nut

Thru-Hull Fittings, GROCO
$56.99


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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 4 Port Oil Change System w/Reversing Switch - 12V

Transfer Pumps, Oil Change Systems, GROCO
$1,811.17

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GROCO 4 Port Oil Change System w/Reversing Switch - 24V

Transfer Pumps, GROCO
$1,838.97

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GROCO 4" Bronze High Speed Thru-Hull Fitting w/Nut

Thru-Hull Fittings, GROCO
$1,919.59


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GROCO 6 Port Oil Change System w/Reversing Switch - 12V

Transfer Pumps, Oil Change Systems, GROCO
$1,895.96

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GROCO 6 Port Oil Change System w/Reversing Switch - 24V

Transfer Pumps, Oil Change Systems, GROCO
$1,923.76

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GROCO ARG-1 Strainer Service Kit

Accessories, GROCO
$34.75

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GROCO ARG-1000 Series 1" Raw Water Strainer w/Monel Basket

Strainers & Baskets, GROCO
$797.86


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GROCO ARG-1003 Sight Glass Fits ARG-1000

Strainers & Baskets, GROCO
$140.39


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GROCO ARG-1253 Sight Glass Fits ARG-1250

Strainers & Baskets, GROCO
$157.07

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GROCO ARG-1500 Series 1-1/2" Raw Water Strainer w/Monel Basket

Strainers & Baskets, GROCO
$1,289.92


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GROCO ARG-1503 Sight Glass Fits ARG-1500

Strainers & Baskets, GROCO
$226.57

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GROCO ARG-2 Strainer Service Kit

Accessories, GROCO
$37.53

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GROCO ARG-2000 Series 2" Raw Water Strainer w/Monel Basket

Strainers & Baskets, GROCO
$1,403.90



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GROCO ARG-2003 Sight Glass Fits ARG-2000

Strainers & Baskets, GROCO
$272.44

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GROCO ARG-2500 Series 2-1/2" Raw Water Strainer Monel Basket

Strainers & Baskets, GROCO
$1,648.54



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GROCO ARG-2503 Sight Glass f/ARG-2500 Series

Strainers & Baskets, GROCO
$300.24

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GROCO ARG-3 Strainer Service Kit

Accessories, GROCO
$38.92

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GROCO ARG-500 Series 1/2" Raw Water Strainer w/Monel Basket

Strainers & Baskets, GROCO
$536.54


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GROCO ARG-503 Sight Glass Fits ARG-500

Strainers & Baskets, GROCO
$95.91

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GROCO ARG-750 Series 3/4" Raw Water Strainer w/Monel Basket

Strainers & Baskets, GROCO
$574.07


Page 7 of 26
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.