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Sierra Marine FC-W full synthetic engine oil is a special blend of synthetic base oils and a balanced additive system that exceeds the FC-W requirements for marine engine oil. Recommended for both gasoline and diesel inboard and sterndrive engines, this Sierra engine oil offers fast lubrication and superior engine protection during startups, operation, and storage. Features include: * Reduces friction and wear for extended engine life * Longer lubrication effectiveness than mineral oils * Reduces oil consumption and improves fuel economy * Oils are NMMA FC-W certified and API-CF/SL
( 2 )
$14.99
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$74.99
Sierra Marine high performance synthetic blend lower unit gear lube oil is specifically formulated for high performance, large horsepower marine drive systems. This marine formulation reduces operating friction for increased performance, while protecting gears, bearings, and other gear case components. For use in both outboard and I/O lower units, Sierra Marine synthetic blend lower unit gear lube is designed to surpass the performance of the OE high performance gear lubricants.
( 2 )
$20.99
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$214.99
Sierra Marine FC-W semi-synthetic engine oil is blended for superior protection under high loads and operating stress. Marine engines require routine maintenance, and changing the engine oil is critical to maintaining and extending their useful life. This Sierra Marine FC-W synthetic blend engine oil is available in different weights and volumes to service many engines from Suzuki to your supercharged Mercury Verado.
( 3 )
$8.99
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$30.99
Sierra Marine full synthetic gear lube oil is formulated to optimize gear life and resist oxidation. This oil reduces friction and provides superior wear protection in severe operating conditions, while the unique synthetic formulation is shear stable and resists oxidation. This ensures high performance over a wide range of ambient operating temperatures. Sierra Marine full synthetic gear lube oil is available in different sizes to meet your needs and budget.
Not Yet Reviewed
$17.99
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$292.99
Sierra Marine eGuard ethanol treatment stabilizes E10 gasoline for up to 12 months and prevents fuel system corrosion from water attracted by E10 fuels. eGuard contains a non-alcohol water remover that helps reduce the chance of phase separation. It also cleans your entire fuel system and improves performance. Prevent gum and varnish formation for optimum performance and quick starts with Sierra Marine eGuard ethanol treatment. Product features: * Bottled in easy-to-use precision measuring package * Safe for use in all gasoline-powered engines, including generators and outdoor equipment * Safe for use in both 2- and 4-cycle engines * Mix ratio: 1 oz. per 10 gal. * Available in several sizes
Not Yet Reviewed
$19.99
Sierra Marine Premium lower unit gear lube oil is formulated for marine drive systems. This marine gear lube reduces friction and protects gears, bearings, and other gear case components. Sierra Marine Premium lower unit gear lube oil is available for purchase in many different quantities. Features include: * 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 and all standard marine applications
Not Yet Reviewed
$13.99
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$184.99
Sierra Marine fuel testers let you know how much alcohol is in your gasoline. Just fill up the test tube with water to the line indicated, then add a sample of your gasoline up to the next line—and shake. You will get a reliable indication of the alcohol content. Testers enable you to select the best fuel for the best watercraft performance.
Not Yet Reviewed
$13.99
Sierra Marine engine oil is available in several formulas to lubricate your outboard or inboard stern drive engines. All supply excellent friction, anti-wear, and corrosion properties to protect your marine engine. Select the engine oil type that is recommended for your specific application needs.
Not Yet Reviewed
$158.99
Sierra Marine lithium spray grease is an easy-to-use multi-purpose aerosol lubricant for marine applications. It's ideal for lubricating shift components and other applications where a light grease lubricant is required. Engineered for marine environments, lithium spray grease is water- and heat-resistant, and also helps to prevent corrosion. The longevity and appearance of your boat depend on the products used for its maintenance. Sierra Marine offers an extensive lineup to service your watercraft.
Not Yet Reviewed
$10.99
Sierra Marine Prime Line Powersport engine oil is an off-road formulation suitable for ATV, UTV, and dirt bike applications. The high performance full synthetic blend is designed for use in wet clutch applications and air-cooled engines. It's formulated with premium performance additives to prevent rusting that's prevalent in recreation vehicles. Available in multiple weight/viscosities and volume sizes, the engine oil meets API SM and JASO MA specifications.
Not Yet Reviewed
$41.99
Sierra Marine's multi-mix 2-cycle oil features a high-quality, advanced formula for superior performance in high-speed air-cooled engines. One bottle mixed with one gallon of gasoline provides adequate lubrication for most 2-stroke equipment. This multi-mix 2-cycle oil contains fuel stabilizer to protect fuel mix against varnish and gum for up to 6 months after mixing. Enhance the efficiency of your vessel and help protect your engine and equipment with Sierra Marine's wide assortment of premium oils and lubes.
Not Yet Reviewed
$2.99
Sierra Marine Catalyst Premium Blend 4-stroke engine oils have been specifically designed to meet the unique requirements of modern 4-stroke recreational engines with or without emission catalyst systems. Features include: * Approved for all 4-stroke applications including outboard, sterndrive, and inboard * Exceeds all 4-stroke requirements including FC-W and FC-W catalyst compatible * Formulated to offer maximum corrosion protection * Advanced lubrication for extended engine life and wear protection * Capitalizing "ZDDP" anti-wear additive technology to prevent phosphorus depletion and extend the emission catalyst life * NMMA FC-W certified
Not Yet Reviewed
$7.99
Whether you are doing repair work, full replacements, or a new build, Sierra Marine bellows adhesive helps you get it done right the first time. It is designed to securely seal both universal and exhaust bellows, providing resistance to gasoline, grease, oil, and water. Get the products that keep you moving when you order Sierra Marine bellows adhesive.
Not Yet Reviewed
$19.99
Keep your engine and your boat in top operating condition with Sierra Marine Premium Blend 2-Cycle engine oil, a conventional oil specifically formulated for high-tech direct injection 2-stroke engines. This lubricant is also compatible with carbureted outboards. Features and benefits of Sierra Marine Premium Blend 2-Cycle engine oil include: * High-quality 2-stroke Marine Premium engine oil (TC-W3) * Specifically formulated and engineered for engine protection in the most demanding marine conditions * Compatible with carbureted, EFI, and direct injection (DFI) engines * Meets required specifications of direct injection 2-strokes, and carbureted outboards like Mercury Optimax, Yamaha HPDI, and Johnson/Evinrude Fich and DI motors
Not Yet Reviewed
$8.99
Sierra Marine offers engine oil change kits for a variety of applications, including watercraft models from Yamaha, Mercury, Volvo Penta, and Suzuki. The lubricants are offered in semi-synthetic, full-synthetic, and premium blends; and canister or cartridge style filters are included. See Notes for complete kit contents. The oil is available in different weights and volumes. Order the formulation recommended for your engine.
Not Yet Reviewed
$33.99
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$108.99
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