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Premium Marine Quality Parts

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Seachoice 17894 Impeller, F35 Series - 09-808B-1Sc - 50-17894 Superseded By: 50-17788F1

Seachoice, Cooling & Water Pump
$39.99

Maintains correct pressureLong service lifeMinimized swelling and fatigueExcellent self-priming abilityCorrect sizeProvides correct cooling flow for pump right at start-upWe strongly recommend that the impeller be replaced every year with a Seachoice original impeller to ensure a perfect fit. Remove the old impeller with slip joint pliers or impeller puller.

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Seachoice 17896 Impeller, F7 Series - 09-1028Bt-1Sc - 50-17896 Superseded By: 50-17789F1

Seachoice, Cooling & Water Pump
$57.19

Maintains correct pressureLong service lifeMinimized swelling and fatigueExcellent self-priming abilityCorrect sizeProvides correct cooling flow for pump right at start-upWe strongly recommend that the impeller be replaced every year with a Seachoice original impeller to ensure a perfect fit. Remove the old impeller with slip joint pliers or impeller puller.

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Seachoice 17901 Cable Thru Hull Fitting - Black - 1/4" Slot, 1-1/4" Flange - 17901 - 50-17901F1

Seachoice, Thru-Hulls & Seacocks
$17.67

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

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Seachoice 17921 Cable Thru Hull Fitting - White - 1/4" Slot, 1-1/4" Flange - 17921 - 50-17921F1

Seachoice, Thru-Hulls & Seacocks
$17.67

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

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Seachoice 17971 Cable Thru Hull Fitting - Black - 9/32" Slot, 1-1/2" Flange - 50-17971 - 50-17971F1

Seachoice, Thru-Hulls & Seacocks
$25.07

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

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Seachoice 17991 Cable Thru Hull Fitting - White - 9/32" Slot, 1-1/2" Flange - 50-17991 - 50-17991F1

Seachoice, Thru-Hulls & Seacocks
$25.07

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

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Seachoice 18-8 Stainless Steel Acorn Cap Nuts, 1/2-13 Size, Pack Of 10 - Rp-Sc1365 - 50-00594F1

Seachoice, Hoses, Clamps & Fittings
$30.29

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 thread. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Closed nut with smooth rounded headIdeal for use when very little of the bolt is exposedSmooth, rounded head covers and protects the thread18-8 stainless steel offers superior corrosion resistanceQuantity: 10Manufacturer part number 50-00594

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Seachoice 18-8 Stainless Steel Acorn Cap Nuts, 1/4-20 Size, Pack Of 100 - Rp-Sc1360 - 50-00588F1

Seachoice, Hoses, Clamps & Fittings
$92.89

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 thread. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Closed nut with smooth rounded headIdeal for use when very little of the bolt is exposedSmooth, rounded head covers and protects the thread18-8 stainless steel offers superior corrosion resistanceQuantity: 100Manufacturer part number 50-00588

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Seachoice 18-8 Stainless Steel Acorn Cap Nuts, 10-24 Size, Pack Of 100 - Rp-Sc1357 - 50-00584F1

Seachoice, Hoses, Clamps & Fittings
$67.89

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 thread. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Closed nut with smooth rounded headIdeal for use when very little of the bolt is exposedSmooth, rounded head covers and protects the thread18-8 stainless steel offers superior corrosion resistanceQuantity: 100Manufacturer part number 50-00584

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Seachoice 18-8 Stainless Steel Acorn Cap Nuts, 10-32 Size, Pack Of 100 - Rp-Sc1358 - 50-00586F1

Seachoice, Hoses, Clamps & Fittings
$97.39

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 thread. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Closed nut with smooth rounded headIdeal for use when very little of the bolt is exposedSmooth, rounded head covers and protects the thread18-8 stainless steel offers superior corrosion resistanceQuantity: 100Manufacturer part number 50-00586

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Seachoice 18-8 Stainless Steel Acorn Cap Nuts, 3/8-16 Size, Pack Of 50 - Rp-Sc1363 - 50-00591F1

Seachoice, Hoses, Clamps & Fittings
$100.69

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 thread. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Closed nut with smooth rounded headIdeal for use when very little of the bolt is exposedSmooth, rounded head covers and protects the thread18-8 stainless steel offers superior corrosion resistanceQuantity: 50Manufacturer part number 50-00591

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Seachoice 18-8 Stainless Steel Acorn Cap Nuts, 5/16-18 Size, Pack Of 50 - Rp-Sc1362 - 50-00589F1

Seachoice, Hoses, Clamps & Fittings
$82.49

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 thread. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Closed nut with smooth rounded headIdeal for use when very little of the bolt is exposedSmooth, rounded head covers and protects the thread18-8 stainless steel offers superior corrosion resistanceQuantity: 50Manufacturer part number 50-00589

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Seachoice 18-8 Stainless Steel Acorn Cap Nuts, 6-32 Size, Pack Of 100 - Rp-Sc1355 - 50-00581F1

Seachoice, Hoses, Clamps & Fittings
$91.69

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 thread. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Closed nut with smooth rounded headIdeal for use when very little of the bolt is exposedSmooth, rounded head covers and protects the thread18-8 stainless steel offers superior corrosion resistanceQuantity: 100Manufacturer part number 50-00581

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Seachoice 18-8 Stainless Steel Acorn Cap Nuts, 8-32 Size, Pack Of 100 - Rp-Sc1356 - 50-00583F1

Seachoice, Hoses, Clamps & Fittings
$82.89

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 thread. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Closed nut with smooth rounded headIdeal for use when very little of the bolt is exposedSmooth, rounded head covers and protects the thread18-8 stainless steel offers superior corrosion resistanceQuantity: 100Manufacturer part number 50-00583

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Seachoice 18-8 Stainless Steel Phillips Barrel Nuts W/ Truss Head, 1/4-20 X 5/8 In., Pack Of 25 - Rp-Sc2963 - 50-00577F1

Seachoice, Hoses, Clamps & Fittings
$191.79

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 applications, especially deck hardware installations. The large truss head distributes the load over a wide area and features serrations to bite into the surface for better staying power. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Internally threaded barrel nut with a smooth barrelTruss head helps distribute the load to a wider areaSerrations under the truss head provide extra grip18-8 stainless steel offers superior corrosion resistanceQuantity: 25Manufacturer part number 50-00577

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Seachoice 18-8 Stainless Steel Phillips Barrel Nuts W/ Truss Head, 3/8-16 X 3/4 In., Pack Of 25 - Rp-Sc3551 - 50-00579F1

Seachoice, Hoses, Clamps & Fittings
$87.99

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 applications, especially deck hardware installations. The large truss head distributes the load over a wide area and features serrations to bite into the surface for better staying power. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Internally threaded barrel nut with a smooth barrelTruss head helps distribute the load to a wider areaSerrations under the truss head provide extra grip18-8 stainless steel offers superior corrosion resistanceQuantity: 10Manufacturer part number 50-00579

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Seachoice 18-8 Stainless Steel Phillips Barrel Nuts W/ Truss Head, 5/16-18 X 3/4 In., Pack Of 25 - Rp-Sc2964 - 50-00578F1

Seachoice, Hoses, Clamps & Fittings
$205.89

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 applications, especially deck hardware installations. The large truss head distributes the load over a wide area and features serrations to bite into the surface for better staying power. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Internally threaded barrel nut with a smooth barrelTruss head helps distribute the load to a wider areaSerrations under the truss head provide extra grip18-8 stainless steel offers superior corrosion resistanceQuantity: 10Manufacturer part number 50-00578

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Seachoice 18-8 Stainless Steel Phillips Barrel Nuts W/ Truss Head, 8-32 X 3/8 In., Pack Of 25 - Rp-Sc2956 - 50-00574F1

Seachoice, Hoses, Clamps & Fittings
$96.69

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 applications, especially deck hardware installations. The large truss head distributes the load over a wide area and features serrations to bite into the surface for better staying power. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Internally threaded barrel nut with a smooth barrelTruss head helps distribute the load to a wider areaSerrations under the truss head provide extra grip18-8 stainless steel offers superior corrosion resistanceQuantity: 265Manufacturer part number 50-00574

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Seachoice 18-8 Stainless Steel Wing Nuts, 1/4-20 Size, Pack Of 100 - Rp-Sc1372 - 50-01106F1

Seachoice, Hoses, Clamps & Fittings
$249.29

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 accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Ideal for applications where tools are not neededCommonly used where frequent adjustments are required, such as lids on machineryJust tighten with your fingers using the two protruding "wings"18-8 stainless steel offers superior corrosion resistanceQuantity: 100Manufacturer part number 50-01106

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Seachoice 18-8 Stainless Steel Wing Nuts, 3/8-16 Size, Pack Of 50 - Sc1374 - 50-01108F1

Seachoice, Hoses, Clamps & Fittings
$76.89

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 accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Ideal for applications where tools are not neededCommonly used where frequent adjustments are required, such as lids on machineryJust tighten with your fingers using the two protruding "wings"18-8 stainless steel offers superior corrosion resistanceQuantity: 50Manufacturer part number 50-01108

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Seachoice 18-8 Stainless Steel Wing Nuts, 5/16-18 Size, Pack Of 50 - Rp-Sc1373 - 50-01107F1

Seachoice, Hoses, Clamps & Fittings
$234.39

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 accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Ideal for applications where tools are not neededCommonly used where frequent adjustments are required, such as lids on machineryJust tighten with your fingers using the two protruding "wings"18-8 stainless steel offers superior corrosion resistanceQuantity: 50Manufacturer part number 50-01107

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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 large diameter suction cup eliminates fall-off or blow-by while flushing.Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Designed to flush sand, silt, and alkali from your inboard engineEasily installs on raw water strainer for inboard engines without toolsTelescoping shaft ensures precise alignment, especially in hard-to-reach areasShaft length: 18-1/2" to 31"Large diameter suction cup eliminates fall-off or blow-by while flushing

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Seachoice 18401 Outboard Flush Kit - Omc O/B - 18401 - 50-18401F1

Seachoice, Miscellaneous
$58.79

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.

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Seachoice 18661 Stainless Steel Garboard Drain And Plug - 50-18661 - 50-18661F1

Seachoice, Hoses, Clamps & Fittings
$63.99

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

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Seachoice 19141 Self Priming Siphon Pump 1/2" X 6' - 19141 - 50-19141F1

Seachoice, Miscellaneous
$40.39

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.

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.