Premium quality motor oil formulated to meet or exceed warranty requirements for 2-cycle outboard engines. Protects engine against heat, friction and rust. Formulated specifically for Mercury Optimax, Yamaha HPDI, BRP Ficht, DI and other high performance injection type engines. Exceeds JASO, ISO, API and NMMA for advanced generation 2 cycle lubricants. Priced each, sold in case quantities only.

Sierra Marine Engine Parts & Drive Parts   Sierra Marine is a trusted name in aftermarket replacement boat engine and drive parts. Sierra’s products are designed and engineered to exceed the high horsepower demands of today’s engines in the harshest marine environments. All Sierra products meet or exceed the original equipment part it replaces.   If you need help finding a part, we need, Make, Model, Year, Horsepower, and Serial number of your engine.   Warning: We can no longer ship engine parts International or to California Due to Prop 65.

Sierra Mercury & Mariner bayonet style fuel fittings.

A special blend of synthetic base oil and balanced additive system that exceeds the FC-W requirements for marine engine oil. Recommended for gasoline and diesel inboard and sterndrive engines. Provides superior engine protection during startups, operation and storage. Reduces friction and wear for extended engine life with longer lubrication effectiveness than mineral oils. Reduces oil consumption and improves fuel economy. Sold in case quantities only, priced each.

Cat Pumps Crankcase Oil 2.5 Gallons   Cat Pumps custom blend crankcase oil is exclusively designed, tested and proven to maximize the life of your Cat Pump. This special formulated premium-grade, petroleum-based, ISO 68 hydraulic oil contains the most advanced additive package to protect against wear, oxidation, rust and corrosion. Model 6105-2.5 contains 1  2.5 gallon container.

Sierra Mercury & Mariner bayonet style fuel fittings.

Sierra seals inboard and inboard/outdrive engines.

Sierra o-rings for various applications on outboard and inboard/outdrive engines.

Sierra o-rings for various applications on outboard and inboard/outdrive engines.

Sierra fuel pump kits for Mercury/Mariner outboards.

Sierra fuel pump kits for Mercury/Mariner outboards.

Mercury/Mercruiser 600A type cable. Complete drop-in replacement cable for Mercury/Mercruiser engines. Stainless steel & brass fittings. Stainless cable wire. WHILE QUANTITIES LAST.

Mercury/Mercruiser 600A type cable. Complete drop-in replacement cable for Mercury/Mercruiser engines. Stainless steel & brass fittings. Stainless cable wire. WHILE QUANTITIES LAST.

3 Blade aluminum propeller for 35-50 horsepower engines with 13 tooth spline and thru hub exhaust. 3-1/4" Gear Case.

OMC 479 type cable (1979 & later). Complete drop-in replacement cable for OMC O/B and I/O's. Stainless steel and brass fittings. 6" minimum bend radius. WHILE QUANTITIES LAST.