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Premium Marine Quality Parts

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Sierra 96902 10W30 Fcw Synthetic Oil, Qt - 18-9690-2 - 47-96902F1

Sierra, Filters, Oils & Lubricants
$32.39

Formulated specifically for 4-stroke outboard and sterndrive engine technology. A special blend of synthetic base oil and a balanced additive system that exceeds the FC-W requirements for the marine engine oils. Recommended for use in both outboard and sterndrive applications. Offers faster lubrication at start up in low temperatures, excellent protection at high temperatures and greater resistance to oxidation for lower oil consumption. Sold in case packs only.

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Sierra 96805 Synthetic Gear Lube, 5 Gal. Pail - 18-9680-5 - 47-96805F1

Sierra, Filters, Oils & Lubricants
$695.69

Synthetic Gear Lube is specifically formulated to optimize gear life by reducing friction and providing superior wear protection in severe operating conditions. The unique synthetic formulation is shear stable and resists oxidation to ensure high performance over a wide range of ambient operating temperatures. API GL-5/MIL-L-210E

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Sierra 96802 Synthetic Gear Lube, Qt. - 18-9680-2 - 47-96802F1

Sierra, Filters, Oils & Lubricants
$40.59

Synthetic Gear Lube is specifically formulated to optimize gear life by reducing friction and providing superior wear protection in severe operating conditions. The unique synthetic formulation is shear stable and resists oxidation to ensure high performance over a wide range of ambient operating temperatures. ? API GL-5/MIL-L-210ESold in case packs only.

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Sierra 96507 Hi Performance Gear Lube, 55 Gallon Drum - 18-9650-7 - 47-96507F1

Sierra, Filters, Oils & Lubricants
$4,749.49

Reduces operating friction for increased performance and protection of gears, bearings, and other gear case components. Recommended for use in high performance and highload operating conditions in both outboard and I/O lower units. Sierra hi-performance gear lube has been designed to surpass the performance of the O.E. hi-performance gear lubricants. Sold in case packs only.

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Sierra 96505 Hi Performance Gear Lube, 5 Gal. Pail - 18-9650-5 - 47-96505F1

Sierra, Filters, Oils & Lubricants
$463.79

Reduces operating friction for increased performance and protection of gears, bearings, and other gear case components. Recommended for use in high performance and highload operating conditions in both outboard and I/O lower units. Sierra hi-performance gear lube has been designed to surpass the performance of the O.E. hi-performance gear lubricants. Sold in case packs only.

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Sierra 96502 Hi Performance Gear Lube, Qt. - 18-9650-2 - 47-96502F1

Sierra, Filters, Oils & Lubricants
$30.89

Reduces operating friction for increased performance and protection of gears, bearings, and other gear case components. Recommended for use in high performance and highload operating conditions in both outboard and I/O lower units. Sierra hi-performance gear lube has been designed to surpass the performance of the O.E. hi-performance gear lubricants. Sold in case packs only.

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Sierra 96005 Premium Gear Lube, 5 Gal. - 18-9600-5 - 47-96005F1

Sierra, Filters, Oils & Lubricants
$398.39

Recommended for all general marine applications requiring a GL-5 class lubricant. Ideal for replacing all old hypoid 90 application needs. Formulated for use in freshwater or saltwater conditions. Reduces friction and protects gears, bearings and other gearcase components. Sold in case packs only.

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Sierra 96002 Premium Gear Lube, Qt - 18-9600-2 - 47-96002F1

Sierra, Filters, Oils & Lubricants
$25.19

Recommended for all general marine applications requiring a GL-5 class lubricant. Ideal for replacing all old hypoid 90 application needs. Formulated for use in freshwater or saltwater conditions. Reduces friction and protects gears, bearings and other gearcase components. Sold in case packs only.

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Sierra 96000 Premium Gear Lube, 10Oz - 18-9600-0 - 47-96000F1

Sierra, Filters, Oils & Lubricants
$15.79

Recommended for all general marine applications requiring a GL-5 class lubricant. Ideal for replacing all old hypoid 90 application needs. Formulated for use in freshwater or saltwater conditions. Reduces friction and protects gears, bearings and other gearcase components. Sold in case packs only.

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Sierra 95544 Premium Blend Heavy Duty Engine Oil 15W-40, 5 Qt., 4/Case - 18-9554-4 - 47-95544F1

Sierra, Filters, Oils & Lubricants
$66.99

Specifically formulated for the heavy duty inboard marine market, including cruisers and towboats calling for a 15W-40. Premium base stocks and additive package ingredients places Sierra Heavy Duty at the leading edge of lubrication technology. Meets API Service classification up to CK-4Meets the performance specifications for API service classification SMSuitable for fuels on any sulfur levelNot for use in gasoline engines equipped with catalytic convertersReplaces: Shell Rotella T4, Delo 400, MerCruiser, Indmar, Pleasurecraft, Crusader, Volvo Penta, MasterCraft Sold in case pack only.

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Sierra 95542 Premium Blend Heavy Duty Engine Oil 15W-40, Qt., 12/Case - 18-9554-2 - 47-95542F1

Sierra, Filters, Oils & Lubricants
$15.89

Specifically formulated for the heavy duty inboard marine market, including cruisers and towboats calling for a 15W-40. Premium base stocks and additive package ingredients places Sierra Heavy Duty at the leading edge of lubrication technology. Meets API Service classification up to CK-4Meets the performance specifications for API service classification SMSuitable for fuels on any sulfur levelNot for use in gasoline engines equipped with catalytic convertersReplaces: Shell Rotella T4, Delo 400, MerCruiser, Indmar, Pleasurecraft, Crusader, Volvo Penta, MasterCraft Sold in case pack only.

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Sierra 95513 10W40 Fcw 4-Cycle Outboard Synthetic Blend Oil, Gal. - 18-9551-3 - 47-95513F1

Sierra, Filters, Oils & Lubricants
$74.99

NMMA FC-W / API SL oils for use in all outboard and inboard applications without a catalytic converter. These oils provide superior protection to marine engines. Provides the additional protection from rust and corrosion found in the marine environment along with high load carrying capabilities. Sold in case packs only.

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Sierra 95512 10W40 Fcw 4-Cycle Outboard Synthetic Blend Oil, Qt. - 18-9551-2 - 47-95512F1

Sierra, Filters, Oils & Lubricants
$20.59

NMMA FC-W / API SL oils for use in all outboard and inboard applications without a catalytic converter. These oils provide superior protection to marine engines. Provides the additional protection from rust and corrosion found in the marine environment along with high load carrying capabilities.Sold in case packs only.

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Sierra 95303 Synthetic Blend Tc-W3 Direct Injection 2-Cycle Engine Oil, Gal. - 18-9530-3 - 47-95303F1

Sierra, Filters, Oils & Lubricants
$108.59

High performance lubricant specifically designed to meet the needs of today's high-tech direct injected engines. A semi-synthetic oil that will protect your engine in the most demanding marine conditions. Exceeds JASO, ISO, API and NMMA, for advanced generation 2 cycle lubricants.95303: Sold in case packs only.

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Sierra 95003 Blue Premium Tc-W3 2 Cycle Engine Oil, Gal - 18-9500-3 - 47-95003F1

Sierra, Filters, Oils & Lubricants
$83.59

High performance lubricant that has been manufactured and designed to meet and exceed all (Domestic & Import) engine manufacturers warranties. Exceeds JASO, ISO, API and NMMA, for advanced generation 2 cycle lubricants. Optimum burnability for smokeless combustion. Runs cleaner, burns cleaner. Significantly reduced aquatic toxicity to fish compared to other outboard oils on the market today. Max lubrication and detergency allows engine to run smoother and more efficiently. Exceeds the new 1997 industry standards. Sold in case packs only.

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Sierra 9440Cat7 Synthetic Blend 4-Cycle Inboard-Sterndrive Engine Oil, 25W40 Fcw, 55 Gal. Drum - 18-9440Cat-7 - 47-9440Cat7F1

Sierra, Filters, Oils & Lubricants
$3,773.79

A special blend specifically designed to meet the unique requirements of modern 4-stroke recreational engines with or without emission catalyst systems. Sold in case packs only. NMMA FC-W® Certified/API-SL.Minimizes corrosion that is formed inside the engine.Displays enhanced detergent and dispersants properties to suspend and prevent engine sludge formation.Industry leading wear protection and deposit control.Prevents excessive thinning under extreme performance operations.Capitalizing on "ZDDP" anti-wear additive technology to prevent phosphorus depletion and extend the emission catalyst life.

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Sierra 9440Cat4 Synthetic Blend 4-Cycle Inboard-Sterndrive Engine Oil, 25W40 Fcw, 5 Qt. - 18-9440Cat-4 - 47-9440Cat4F1

Sierra, Filters, Oils & Lubricants
$99.69

A special blend specifically designed to meet the unique requirements of modern 4-stroke recreational engines with or without emission catalyst systems. Sold in case packs only. NMMA FC-W® Certified/API-SL.Minimizes corrosion that is formed inside the engine.Displays enhanced detergent and dispersants properties to suspend and prevent engine sludge formation.Industry leading wear protection and deposit control.Prevents excessive thinning under extreme performance operations.Capitalizing on "ZDDP" anti-wear additive technology to prevent phosphorus depletion and extend the emission catalyst life.

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Sierra 9440Cat2 Synthetic Blend 4-Cycle Inboard-Sterndrive Engine Oil, 25W-40 Fc-W, Qt. - 18-9440Cat-2 - 47-9440Cat2F1

Sierra, Filters, Oils & Lubricants
$23.29

A special blend specifically designed to meet the unique requirements of modern 4-stroke recreational engines with or without emission catalyst systems. Sold in case packs only. NMMA FC-W® Certified/API-SL.Minimizes corrosion that is formed inside the engine.Displays enhanced detergent and dispersants properties to suspend and prevent engine sludge formation.Industry leading wear protection and deposit control.Prevents excessive thinning under extreme performance operations.Capitalizing on "ZDDP" anti-wear additive technology to prevent phosphorus depletion and extend the emission catalyst life.

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Sierra 94407 25W40 Fcw Synthetic Blend I/O Oil, 55 Gal. Drum - 18-9440-7 - 47-94407F1

Sierra, Filters, Oils & Lubricants
$4,214.29

This 4-cycle oil is blended with premium grade synthetic and mineral based stock combined with superior designed additives formulated for the stress endured by sterndrive and inboard engines. Superior corrosion protectionAdvanced lubrication for reduction of wear to internal engine componentsOutstanding friction reduction and wear protectionRemoves thermal breakdown under high RPM's, extreme temperatures and loadsExtensively tested for outstanding performanceSold in case packs only

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Sierra 9421Cat3 4-Stroke Synthetic Blend Catalyst Outboard Engine Oil, 10W30, Gal. - 18-9421Cat-3 - 47-9421Cat3F1

Sierra, Filters, Oils & Lubricants
$71.69

Meets requirements of modern 4-stroke recreational engines with or without emission catalyst systems Approved for all 4-stroke applications including Outboard, Sterndrive and InboardExceeds all 4-stroke requirements including FC-W and FC-W Cat CompatibleProvides superior corrosion protection under extreme conditionsIndustry leading wear protection and deposit controlCapitalizing on "ZDDP" anti-wear additive technologyPrevents phosphorous depletion and extends the emission catalyst lifeNMMA FC-W CertifiedFor use in Mercury 4-Cycle Outboard Engines requiring 10W-30 Sold in case packs only

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Sierra 9421Cat2 4-Stroke Synthetic Blend Catalyst Outboard Engine Oil, 10W30, Qt. - 18-9421Cat-2 - 47-9421Cat2F1

Sierra, Filters, Oils & Lubricants
$20.19

Meets requirements of modern 4-stroke recreational engines with or without emission catalyst systems Approved for all 4-stroke applications including Outboard, Sterndrive and InboardExceeds all 4-stroke requirements including FC-W and FC-W Cat CompatibleProvides superior corrosion protection under extreme conditionsIndustry leading wear protection and deposit controlCapitalizing on "ZDDP" anti-wear additive technologyPrevents phosphorous depletion and extends the emission catalyst lifeNMMA FC-W CertifiedFor use in Mercury 4-Cycle Outboard Engines requiring 10W-30 Sold in case packs only

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Sierra 9420Cat7 4-Stroke Mineral Forumulation Marine Outboard Engine Oil, 10W-30, 55 Gal Drum - 18-9420Cat-7 - 47-9420Cat7F1

Sierra, Filters, Oils & Lubricants
$2,854.09

A highly refined petroleum product formulated with premium base stock and highly refined additives. Specifically formulated to meet or exceed the tough requirements of the Marine 4-Stroke motor manufacturers, Mercury, Yamaha, Johnson-Evinrude, Suzuki and Honda. Sold in case packs only. Excellent anti-wear characteristics reduces frictionFormulated to offer maximum corrosion protectionReduces sludge to keep engine cleaner for better efficiencyLow temperature viscosity offers better cold startingMeets and exceeds quality performance API SJ, CF-2, CH-4

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Sierra 9420Cat3 4-Stroke Mineral Forumulation Marine Outboard Engine Oil, 10W-30, Gal - 18-9420Cat-3 - 47-9420Cat3F1

Sierra, Filters, Oils & Lubricants
$67.79

A highly refined petroleum product formulated with premium base stock and highly refined additives. Specifically formulated to meet or exceed the tough requirements of the Marine 4-Stroke motor manufacturers, Mercury, Yamaha, Johnson-Evinrude, Suzuki and Honda. Sold in case packs only. Excellent anti-wear characteristics reduces frictionFormulated to offer maximum corrosion protectionReduces sludge to keep engine cleaner for better efficiencyLow temperature viscosity offers better cold startingMeets and exceeds quality performance API SJ, CF-2, CH-4

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Sierra 9420Cat2 4-Stroke Mineral Forumulation Marine Outboard Engine Oil, 10W-30, Qt. - 18-9420Cat-2 - 47-9420Cat2F1

Sierra, Filters, Oils & Lubricants
$20.69

A highly refined petroleum product formulated with premium base stock and highly refined additives. Specifically formulated to meet or exceed the tough requirements of the Marine 4-Stroke motor manufacturers, Mercury, Yamaha, Johnson-Evinrude, Suzuki and Honda. Sold in case packs only. Excellent anti-wear characteristics reduces frictionFormulated to offer maximum corrosion protectionReduces sludge to keep engine cleaner for better efficiencyLow temperature viscosity offers better cold startingMeets and exceeds quality performance API SJ, CF-2, CH-4

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Sierra 94207 10W30 Fcw 4Stroke Outboard Oil, 55 Gal. Drum - 18-9420-7 - 47-94207F1

Sierra, Filters, Oils & Lubricants
$2,649.19

Specifically formulated to meet or exceed the tough requirements of the Marine 4-Stroke motor manufacturers, Mercury, Yamaha, Johnson-Evinrude, Suzuki and Honda. Excellent anti-wear characteristicsFormulated to offer maximum corrosion protectionReduces sludge keeps engine cleaner for better efficiencyLow temperature viscosity offers better cold startingMeets and exceeds quality performance API SJ, CF-2, CH-4, NMMA FC-W® Certified Sold in case packs only.

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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.