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Premium Marine Quality Parts

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Groco Arg Bronze Strainer With Plastic Basket - Arg-750-P - 34-Arg750Pf1

Groco, Thru-Hulls & Seacocks
$435.89

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at strainer cap and between strainer head and sight glass. See-thru screw-on strainer cap allows easy, no-tools maintenance. Spanner wrench holes in cover allow the use of SW-2531 wrench. Install with pipe or hose. Do not use chemical or abrasive cleaners on sight glass. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Arg Bronze Strainer With Plastic Basket - Arg-500-P - 34-Arg500Pf1

Groco, Thru-Hulls & Seacocks
$424.79

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at strainer cap and between strainer head and sight glass. See-thru screw-on strainer cap allows easy, no-tools maintenance. Spanner wrench holes in cover allow the use of SW-2531 wrench. Install with pipe or hose. Do not use chemical or abrasive cleaners on sight glass. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Arg Bronze Strainer With Plastic Basket - Arg-3000-P - 34-Arg3000Pf1

Groco, Thru-Hulls & Seacocks
$1,387.69

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at strainer cap and between strainer head and sight glass. See-thru screw-on strainer cap allows easy, no-tools maintenance. Spanner wrench holes in cover allow the use of SW-2531 wrench. Install with pipe or hose. Do not use chemical or abrasive cleaners on sight glass. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Arg Bronze Strainer With Plastic Basket - Arg-2500-P - 34-Arg2500Pf1

Groco, Thru-Hulls & Seacocks
$1,232.89

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at strainer cap and between strainer head and sight glass. See-thru screw-on strainer cap allows easy, no-tools maintenance. Spanner wrench holes in cover allow the use of SW-2531 wrench. Install with pipe or hose. Do not use chemical or abrasive cleaners on sight glass. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Arg Bronze Strainer With Plastic Basket - Arg-1500-P - 34-Arg1500Pf1

Groco, Thru-Hulls & Seacocks
$985.09

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at strainer cap and between strainer head and sight glass. See-thru screw-on strainer cap allows easy, no-tools maintenance. Spanner wrench holes in cover allow the use of SW-2531 wrench. Install with pipe or hose. Do not use chemical or abrasive cleaners on sight glass. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Arg Bronze Strainer With Plastic Basket - Arg-1250-P - 34-Arg1250Pf1

Groco, Thru-Hulls & Seacocks
$654.99

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at strainer cap and between strainer head and sight glass. See-thru screw-on strainer cap allows easy, no-tools maintenance. Spanner wrench holes in cover allow the use of SW-2531 wrench. Install with pipe or hose. Do not use chemical or abrasive cleaners on sight glass. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Arg Bronze Strainer With Plastic Basket - Arg-1000-P - 34-Arg1000Pf1

Groco, Thru-Hulls & Seacocks
$602.99

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at strainer cap and between strainer head and sight glass. See-thru screw-on strainer cap allows easy, no-tools maintenance. Spanner wrench holes in cover allow the use of SW-2531 wrench. Install with pipe or hose. Do not use chemical or abrasive cleaners on sight glass.

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Groco Aphs30001 Aphs Series External Hull Strainer W/Access Door - Aphs-3000-1 - 34-Aphs30001F1

Groco, Thru-Hulls & Seacocks
$727.49

The patented door provides access to the thru-hull fitting and seacock inlet beneath APHS hull strainers. There is no need to remove the entire strainer to clear nuisance marine growth. C84400 Bronze body and door#304 Stainless steel filter screen with .077" perforationsEasy field replaceable screenPressure relief holes in door castingNOT TO BE USED IN POTABLE WATER SYSTEMS

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Groco Aphs12501 Aphs Series External Hull Strainer W/Access Door - Aphs-1250-1 - 34-Aphs12501F1

Groco, Thru-Hulls & Seacocks
$300.19

The patented door provides access to the thru-hull fitting and seacock inlet beneath APHS hull strainers. There is no need to remove the entire strainer to clear nuisance marine growth. C84400 Bronze body and door#304 Stainless steel filter screen with .077" perforationsEasy field replaceable screenPressure relief holes in door castingNOT TO BE USED IN POTABLE WATER SYSTEMS

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Groco 9Rset Replacement Sight Glass Gasket Set - #9R Set - 34-9Rsetf1

Groco, Seals, Gaskets & Service Kits
$24.69

Replacement sight glass gasket set

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Groco 970150012 Hydromatic Self Cleaning Sea Chest And Strainer, Ports: 1/1/2" Npt A:13.2 ,B: 6.9 ,C:7.6, Outlet: (1) 1/2". 2 3/4",(2) 1" - 970-1500-12 - 34-970150012F1

Groco, Thru-Hulls & Seacocks
$6,414.79

30-second cleaning cycle is automatically performed at user-selected intervalsOptional interface with SSA system ( initiates cleaning cycle when flow is reduced, independent of the pre-set cleaning intervalThe "Purge" option over-rides the selected cleaning interval and performs a one-time 30-second cleaning cyclePowerful macerator grinds debris and discharges overboard below the waterline"Ignition Protected" motors for DC modelsInstallation can be horizontal or vertical (flooded inlet required)C84400 bronze construction

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Groco 8Rset Replacement Sight Glass Gasket Set - #8R Set - 34-8Rsetf1

Groco, Seals, Gaskets & Service Kits
$27.39

Replacement sight glass gasket set

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Groco 6-Port Fuel Valve 1/2" Supply - Fv-65038 - 34-Fv65038F1

Groco, Fuel System
$353.49

Six-port fuel valves are used where 2 tanks supply a single engine, and a return to each supply tank is required. ABYC H33.9.2 states that fuel system valves must have an independent means of support. That's why regular in-line valves are not appropriate for fuel systems applications. Provides flow to or from either of two connected tanks with its "L" shaped flow pattern and 180° handle actuation. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco 2238 Cap O-Ring, For Arg-1500/3000 - 2-238 - 34-2238F1

Groco, Seals, Gaskets & Service Kits
$4.37

Cap O-Ring

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Groco 2157 Buna-N O-Ring - 2-157 - 34-2157F1

Groco, Seals, Gaskets & Service Kits
$4.19

Replacement Buna-N O-Ring for ARG Strainers.

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Groco #304 Stainless Steel Filter Basket For Vd Strainers - Bs-18 - 34-Bs18F1

Groco, Filters, Oils & Lubricants
$134.39

Spare Basket

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Groco #304 Stainless Steel Filter Basket For Arg Strainers - Bs-9 - 34-Bs9F1

Groco, Filters, Oils & Lubricants
$124.79

Spare Basket

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Groco #304 Stainless Steel Filter Basket For Arg Strainers - Bs-7 - 34-Bs7F1

Groco, Filters, Oils & Lubricants
$124.79

Spare Basket

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Groco #304 Stainless Steel Filter Basket For Arg Strainers - Bs-3 - 34-Bs3F1

Groco, Filters, Oils & Lubricants
$110.29

Spare Basket

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Groco #304 Stainless Steel Filter Basket For Arg Strainers - Bs-17 - 34-Bs17F1

Groco, Filters, Oils & Lubricants
$111.19

Spare Basket

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Groco #304 Stainless Steel Filter Basket For Arg Strainers - Bs-15 - 34-Bs15F1

Groco, Filters, Oils & Lubricants
$155.89

Spare Basket

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Groco #304 Stainless Steel Filter Basket For Arg Strainers - Bs-14 - 34-Bs14F1

Groco, Filters, Oils & Lubricants
$141.19

Spare Basket

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Groco #304 Stainless Steel Filter Basket For Arg Strainers - Bs-13 - 34-Bs13F1

Groco, Filters, Oils & Lubricants
$131.69

Spare Basket

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Groco #304 Stainless Steel Filter Basket For Arg Strainers - Bs-12 - 34-Bs12F1

Groco, Filters, Oils & Lubricants
$124.79

Spare Basket

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Groco #304 Stainless Steel Filter Basket For Arg Strainers - Bs-10 - 34-Bs10F1

Groco, Filters, Oils & Lubricants
$132.99

Spare Basket

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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.