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Premium Marine Quality Parts

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Sierra 9231 Oil Change Kit - 18-9231 - 47-9231F1

Sierra, Miscellaneous
$144.99

All inclusive package with oil, oil filter, drain gasket, disposable funnel, maintenance sticker, and shop towel for ease of use Convenient package for DIYer/Shop with limited space

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Sierra 9394 Oil Change Kit - 18-9394 - 47-9394F1

Sierra, Miscellaneous
$92.99

All inclusive package with oil, oil filter, drain gasket, disposable funnel, maintenance sticker, and shop towel for ease of use Convenient package for DIYer/Shop with limited spaceDisposable Funnel 18 0003 available for individual purchaseMaintenance stickers to place inside the cowling for easy identification of the last date of service and operational hours.

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Sierra 9396 Oil Change Kit - 18-9396 - 47-9396F1

Sierra, Miscellaneous
$138.79

All inclusive package with oil, oil filter, drain gasket, disposable funnel, maintenance sticker, and shop towel for ease of use Convenient package for DIYer/Shop with limited spaceDisposable Funnel 18 0003 available for individual purchaseMaintenance stickers to place inside the cowling for easy identification of the last date of service and operational hours.

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Sierra 9397 Oil Change Kit - 18-9397 - 47-9397F1

Sierra, Miscellaneous
$70.69

All inclusive package with oil, oil filter, drain gasket, disposable funnel, maintenance sticker, and shop towel for ease of use Convenient package for DIYer/Shop with limited spaceDisposable Funnel 18 0003 available for individual purchaseMaintenance stickers to place inside the cowling for easy identification of the last date of service and operational hours.

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Sierra 95402 Fully Synthetic Tc-W3 2-Stroke Outboard Oil, Qt. - 18-9540-2 - 47-95402F1

Sierra, Miscellaneous
$30.89

TC-W3 is a high performance lubricant. Meets and exceeds all (Domestic & Import) engine manufacturers' warranties including Johnson/Evinrude E-Tec. Exceeds JASO, ISO, API & NMMA, for advanced generation 2 cycle lubricant. Guaranteed & backed by Sierra's comprehensive warranty. (Will not void engine manufacturer's warranty). Ideal for oil injection systems or pre-mix applications. Significantly reduced aquatic toxicity to fish compared to other outboard oilsReduces ring sticking, deposit formation and exhaust port blockageImprove performance and extend engine life by reducing wearIdeal for high horsepower outboards that demand maximum performance Sold in case packs only

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Sierra 95403 Fully Synthetic Tc-W3 2-Stroke Outboard Oil, Gal. - 18-9540-3 - 47-95403F1

Sierra, Miscellaneous
$114.99

TC-W3 is a high performance lubricant. Meets and exceeds all (Domestic & Import) engine manufacturers' warranties including Johnson/Evinrude E-Tec. Exceeds JASO, ISO, API & NMMA, for advanced generation 2 cycle lubricant. Guaranteed & backed by Sierra's comprehensive warranty. (Will not void engine manufacturer's warranty). Ideal for oil injection systems or pre-mix applications. Significantly reduced aquatic toxicity to fish compared to other outboard oilsReduces ring sticking, deposit formation and exhaust port blockageImprove performance and extend engine life by reducing wearIdeal for high horsepower outboards that demand maximum performance Sold in case packs only

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Sierra 9555Cat4 Semi Synthetic Catalyst Oil 5W-30, 5 Quart, Case Qty: 4 - 18-9555Cat-4 - 47-9555Cat4F1

Sierra, Miscellaneous
$104.19

Semi-Synthetic ultra-high-performance oil, utilizes premium base stocks & industry leading additivesEnhanced detergent package to suspend and prevent sludgeReduces friction to maintain high performancePrevents thermal and oxidation bread down under extreme temperaturesHigh shear stability maintains viscosity prevent excessive thinning in high performance applicationsAdvanced ZDDP additive technology prevents phosphorus depletion extending catalyst lifeMeets and/or exceeds FC-W Catalyst and FC-W specificationsMeets or exceeds API SM category requirementsApplication: Non-Turbo Inboards

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Sierra 9788 Lube Pump For 5 Gal. Pails - 18-9788 - 47-9788F1

Sierra, Miscellaneous
$266.89

For filling lower units on outboards and stern drives. Designed for use with Sierra's 96005,96205, and 96505.

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Sierra 99201 Replacement Bowl, Racor Style, Clear Bowl - 18-99201 - 47-99201F1

Sierra, Miscellaneous
$60.39

Direct replacement for many Racor bowls. Clear replacement bowl for use in outboard and above deck installations.

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Sierra 99202 Replacement Bowl, Racor Style, Clear Bowl - 18-99202 - 47-99202F1

Sierra, Miscellaneous
$65.89

Direct replacement for many Racor bowls. Clear replacement bowl for use in outboard and above deck installations.

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Sierra Ac12350 30A Shore Power Cordset, 25', Yellow - Ac12350 - 11-Ac12350F1

Sierra, Miscellaneous
$170.99

Features marine-grade materials of the highest quality. heavy-duty, marine-grade 10/3 cable and includes standard threaded rings on each end. Sierra Cordsets supply superior performance and perfect for use in harsh marine environments. 30A, 125VAC RatedHeavy-duty, flexible, marine-grade 10/3 STW cable41 strand count cable for optimal balance of flexibility and strengthBoat side power indicator LED assures power to the inletWatertight plug assembly for safety and overall durabilityYellow PVC cord jacket with maximum UV inhibitorsNylon plug body for high resistance of carbon trackingIndustry standard sealing rings for a watertight boat side sealHigh quality, corrosion resistant nickel-plated brass contactsETL Listed

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Sierra Ac12360 30A Shore Power Cordset, 50', Yellow - Ac12360 - 11-Ac12360F1

Sierra, Miscellaneous
$198.49

Features marine-grade materials of the highest quality. heavy-duty, marine-grade 10/3 cable and includes standard threaded rings on each end. Sierra Cordsets supply superior performance and perfect for use in harsh marine environments. 30A, 125VAC RatedHeavy-duty, flexible, marine-grade 10/3 STW cable41 strand count cable for optimal balance of flexibility and strengthBoat side power indicator LED assures power to the inletWatertight plug assembly for safety and overall durabilityYellow PVC cord jacket with maximum UV inhibitorsNylon plug body for high resistance of carbon trackingIndustry standard sealing rings for a watertight boat side sealHigh quality, corrosion resistant nickel-plated brass contactsETL Listed

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Sierra Ac12370 50A Shore Power Cordset, 25', Yellow - Ac12370 - 11-Ac12370F1

Sierra, Miscellaneous
$1,013.59

Feature marine-grade materials of the highest quality. Heavy-duty, marine-grade 6/4 cable and includes standard threaded rings on each end. Sierra Cordsets supply superior performance and perfect for use in harsh marine environments. 50A, 125/250VAC RatedHeavy-duty, flexible, marine-grade 10/3 STW cable104 strand count cable for optimal balance of flexibility and strengthBoat side power indicator LED assures power to the inletWatertight plug assembly for safety and overall durabilityYellow PVC cord jacket with maximum UV inhibitorsNylon plug body for high resistance of carbon trackingIndustry standard sealing rings for a watertight boat side sealHigh quality, corrosion resistant nickel-plated brass contactsETL Listed

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Sierra Ac12380 50A Shore Power Cordset, 50', Yellow - Ac12380 - 11-Ac12380F1

Sierra, Miscellaneous
$1,406.29

Feature marine-grade materials of the highest quality. Heavy-duty, marine-grade 6/4 cable and includes standard threaded rings on each end. Sierra Cordsets supply superior performance and perfect for use in harsh marine environments. 50A, 125/250VAC RatedHeavy-duty, flexible, marine-grade 10/3 STW cable104 strand count cable for optimal balance of flexibility and strengthBoat side power indicator LED assures power to the inletWatertight plug assembly for safety and overall durabilityYellow PVC cord jacket with maximum UV inhibitorsNylon plug body for high resistance of carbon trackingIndustry standard sealing rings for a watertight boat side sealHigh quality, corrosion resistant nickel-plated brass contactsETL Listed

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Sierra Ac12390 15A Inlet Port With Extension, 16" Single - Ac12390 - 11-Ac12390F1

Sierra, Miscellaneous
$47.29

Feature a modern, yet stylish design that can be installed on any flat surface and can to be used with any application. Includes an integrated extension cord for plug-and-play use making it perfect for battery chargers, shore power, engine block heaters, home use, and so much more. Use as a pass-thru 15A 125VAC connectionPress-fit, watertight rubber cap and rubber gasket protects from water intrusionHeavy duty wire for superior performanceSimple installation requiring only a 2" hole saw and a phillips screw driverETL Listed

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Sierra Ac12400 15A Inlet Port With Extension, 6' Single - Ac12400 - 11-Ac12400F1

Sierra, Miscellaneous
$59.39

Feature a modern, yet stylish design that can be installed on any flat surface and can to be used with any application. Includes an integrated extension cord for plug-and-play use making it perfect for battery chargers, shore power, engine block heaters, home use, and so much more. Use as a pass-thru 15A 125VAC connectionPress-fit, watertight rubber cap and rubber gasket protects from water intrusionHeavy duty wire for superior performanceSimple installation requiring only a 2"" hole saw and a phillips screw driverETL Listed

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Sierra Ac12410 15A Inlet Port With Extension, 12' Single - Ac12410 - 11-Ac12410F1

Sierra, Miscellaneous
$65.99

Feature a modern, yet stylish design that can be installed on any flat surface and can to be used with any application. Includes an integrated extension cord for plug-and-play use making it perfect for battery chargers, shore power, engine block heaters, home use, and so much more. Use as a pass-thru 15A 125VAC connectionPress-fit, watertight rubber cap and rubber gasket protects from water intrusionHeavy duty wire for superior performanceSimple installation requiring only a 2" hole saw and a phillips screw driverETL Listed

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Sierra Ac12420 15A Inlet Port With Extension, 18" Dual - Ac12420 - 11-Ac12420F1

Sierra, Miscellaneous
$58.79

Feature a modern, yet stylish design that can be installed on any flat surface and can to be used with any application. Includes an integrated extension cord for plug-and-play use making it perfect for battery chargers, shore power, engine block heaters, home use, and so much more. Use as a pass-thru 15A 125VAC connectionPress-fit, watertight rubber cap and rubber gasket protects from water intrusionHeavy duty wire for superior performanceSimple installation requiring only a 2" hole saw and a phillips screw driverETL Listed

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Sierra Ac12520 30A Shore Power Inlet - Ac12520 - 11-Ac12520F1

Sierra, Miscellaneous
$120.19

Elegantly designed while providing superior functionality. Built of marine-grade, UV stabilized glass-filled polyester designed for long-life and strength. Sierra's 30A power inlets are easy to install and perfect for use in harsh marine environments. 30A, 125VAC rated3-Wire locking designCorrosion and UV resistant designConvenient sealing cap stays in open position without holding in placeRear enclosure keep electrical components covered for maximum safetyElegent, premium designed sealing coverEasy to install or retrofit older inlets

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Sierra Ac12540 15A Shore Power Inlet - Ac12540 - 11-Ac12540F1

Sierra, Miscellaneous
$53.09

Eegantly designed while providing superior functionality. Built of marine-grade, UV stabilized glass-filled polyester designed for long-life and strength. Easy to install and perfect for use in harsh marine environments. Use as a pass-thru 15A 125VAC connectionPress-fit, watertight rubber cap and rubber gasket protects from water intrusionHeavy duty wire for superior performanceSimple installation requiring only a 2"" hole saw and a phillips screw driver

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Sierra Av10030 Push-Button Switch, Off/(On), Non-Illuminating - Av10030 - 11-Av10030F1

Sierra, Miscellaneous
$36.09

Sleek Stainless Steel Design Quick connect tab terminals for easy installation and daisy chainingSealed to IP67 for above-panel componentsUL1500 Ignition Protection(On) in parenthesis indicates a momentary position

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Sierra Av10040 Push-Button Switch, Off/On, Non-Illuminating - Av10040 - 11-Av10040F1

Sierra, Miscellaneous
$36.29

Sleek Stainless Steel Design Sleek Stainless Steel DesignQuick connect tab terminals for easy installation and daisy chainingSealed to IP67 for above-panel componentsUL1500 Ignition Protection(On) in parenthesis indicates a momentary position

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Sierra Brass Freeze Plug Kit - 18-56481 - 47-56481F1

Sierra, Miscellaneous
$88.49

Eliminates any chance of rusted out freeze plugs. Designed for marine applications. Includes all plugs needed for a complete engine.

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Sierra Ea01050 Aux Power Socket - Ea01050 - 11-Ea01050F1

Sierra, Miscellaneous
$18.69

Watertight cap Twist lock system securely locks plug into socketQuick Connect 1/4" Terminals9-36V 20A RatedFlame retardant nylon reinforced enclosure1-1/8" diameter cut-outPerfect for replacing faulty auxiliary power sockets or adding a convenient charge pointIlluminated

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Sierra Ea01100 Surface Mount Aux Power Socket - Ea01100 - 11-Ea01100F1

Sierra, Miscellaneous
$19.69

Mount vertically, horizontally, or underneath a dash Surface-Mount allowing easy installation on any surface (no cut-out hole required)Flame retardant Nylon reinforced enclosureQuick Connect 1/4" TerminalsPerfect for replacing faulty auxiliary power sockets or adding a convenient charge pointMade of UV-stabilized plastic with water-tight gaskets and cover caps for the socketsWatertight cap9-36V 20A RatedIlluminated

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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.