Improves engine performance and efficiency. Dissolves gum and varnish from entire fuel system - carbureted or injected. Removes internal carbon deposits from intake ports, valves, combustion chambers, pistons, and frees sticky rings. Displaces moisture and stabilizes fuel during storage periods. Designed for use in 2-cycle and 4-cycle marine engines. WHILE QUANTITIES LAST.

Recommended for all general marine applications requiring a GL-5 class lubricant. 80W90. Ideal for replacing all old hypoid 90 applications needs. Formulated for use in freshwater or saltwater conditions and all standard marine applications under 75HP. Reduces friction and protects gears, bearings and other Gearcase components. Lower Unit Kit contains: two(2) 10 oz. tubes of Lower Unit Gear Lube and one(1) Flush & fill tool for small gearcases.

Synthetic marine formulation reduces operating friction for increased performance and protection of gears, bearings and other Gearcase components. Recommended for use in high performance and high load operating conditions in both outboard and I/O lower unit gear cases, 75HP and above, where a GL-5 class lubricant is required. 80W90

Restores lost power and performance by cleaning clogged fuel injectors using proprietary polyether amine (PEA) detergent technology. Removes deposits that begin to form with every tank of gasoline. Saves gas by keeping fuel injectors clean. Made with highest quality premium PEA and FLA technologies to specifically address and treat the newer direct injection fuel systems in addition to traditional intake-port delivery systems. Provides total system clean-up and keep-clean, fuel lubricity additive, and fuel stabilizer. Increases power and performance, reduces emissions, improves fuel economy prevents rough idle, hesitation and stalling. Helps with cold start-up problems, prevents premature spark plug fouling, reduces deposit-related engine knocking and pinging, helps prevent injector misfire codes. For use with 18-8600 E-GO! Fuel Injector Cleaning Kit. See Shop & Service Equipment section for details.

Improves engine performance by removing gum, varnish, and carbon deposits from internal engine components. Thoroughly cleans intake ports, valves, combustion chambers, pistons, and frees sticky rings. Designed for regular maintenance of 2-cycle and 4- cycle marine engine. Not for use as a fogging oil. Priced each.

Stabilizes E10 gasoline for up to 12 months, prevents fuel system corrosion from water attracted by E10 fuels. Cleans fuel system and improves performance. Contains non-alcohol water remover that helps to reduce the chance of phase separation. Easy to use precision measuring package. Safe for use in all gasoline powered engines including generators and outdoor power equipment and in 2-cycle and 4-cycle engines. Prevents gum and varnish formation for optimum performance and quick starts.

Premium quality motor oil formulated to meet or exceed warranty requirements for 4-stroke outboard engines. Specifically formulated to meet or exceed the tough requirements of the Marine 4-stroke motor manufacturers, Mercury, Yamaha, Johnson-Evinrude, Suzuki and Honda. Meets and exceeds quality performance API SJ, CF-2, CH-4. Protects engine against heat, friction and rust. Priced each, sold in case quantity only.

Specially designed to meet the unique requirements of modern 4-stroke recreational engines with or without catalyst systems. ZDDP anti-wear additive prevents phosphorus depletion to extend catalyst life and provide excellent anti-wear protection. Sierra Catalyst Compatible Oils provide leading wear protection and deposit control for engine longevity, corrosion protection from infrequent use and environmental contamination, enhanced detergent properties to prevent sludge formation, and reduced ending friction to maintain performance. Priced each, sold in case quantities only.

Blended with premium grade synthetic and mineral based stock combined with superior designed additives formulated for the extreme rigors of the marine environment. Features superior corrosion protection, advanced lubrication for reduction of wear to internal engine components and minimized piston ring deposits. Extensively tested for outstanding performance. Sold in case quantities only. Priced each.

A direct replacement oil for Suzuki motors. Semi-synthetic formula for superior protection under high loads and operating stress. NMMA FC-W certified. Priced Each, sold in case quantity only.

For use in supercharged Mercury Verado engines. Semi-synthetic formula for superior protection under high loads and operating stress. MNNA FC-W certified. Priced each, sold in case quantity only.

Highest quality full synthetic oil, NMMA certified for use in 4-stroke OB and stern drive applications. Sold in case quantities only. Priced each.

Sierra TC-W3 is a high performance lubricant that has been designed to meet and exceed all (Domestic & Import) engine manufacturers warranties. Exceeds JASO, ISO, API and NMMA for advanced generation 2 cycle lubricants. Priced each, sold in case quantities only.

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.

High performance lubricant designed to meet and exceed all Domestic and Import engine manufacturers' warranties. Exceeds JASO, ISO, API and NMMA for advanced generation 2 cycle lubricants. Protects engine against heat, friction and rust. Formulated specifically for BRP E-Tec and most other high performance 2-stroke marine engines. Priced each, sold in case quantities only.