Specifically formulated for marine applications. Premium lithium formula provides optimum corrosion protection in both freshwater and saltwater applications. Ideal for trailer wheel bearings, universal joints and outdrive pivot joints. Operating temp -40° to +350°F. WHILE QUANTITIES LAST.

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.

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.

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.

Premium Replacement Ignition Sensor for Mercruiser Outboard Engines This ignition sensor fits GM V-6 & V-8 Engines with Thunderbolt IV and V Ignition. Replaces: MERCRUISER Ignition Sensor 87-892150Q02 MERCRUISER Ignition Sensor 892150A02 MERCRUISER Ignition Sensor 861780A2 MERCRUISER Ignition Sensor 91019A6 MERCRUISER Ignition Sensor 861780Q4 MERCRUISER Ignition Sensor 861780A4 MERCRUISER Ignition Sensor 91019A3 MERCRUISER Ignition Sensor 91019A2 SIERRA Ignition Sensor 18-5116-1  *ARCO Assurance 12-month part and labor warranty protection   This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Sierra hgh performance ignition coils for inboard and inboard/outdrive engines. Oil filled for better cooling and long life. Produces higher voltage needed to run larger spark plug gaps for added power and better fuel economy. Compatible with capacitive discharge systems.

Specifically formulated for marine applications. Premium lithium formula provides optimum corrosion protection in both freshwater and saltwater applications. Ideal for trailer wheel bearings, universal joints and outdrive pivot joints. Operating temp -40° to +350°F.

Sierra replacement engine couplers for Mercruiser engines.

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.

Formulated for high operating pressure. Anti-foam additives assures uniform flow with reduced air contamination in hydraulic systems. Designed for heavy duty use at high operating pressures in applications subject to varied temperature ranges. Provides proper lubrication and corrosion protection for internal hydraulic components.

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.

Sierra replacement plates for cooling systems.

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

Premium Replacement Ignition Coil for Mercury Outboard Engines This ignition coil fits 1970-2006 (6-40HP – 2 Cyl.), 1976-1997 (45-90HP – 3 Cyl.), 1976-1997 (45-125HP – 4 Cyl.), and 1976-2000 (90-225HP – 6 Cyl.) Mercury outboard engines. Replaces: MERCURY Ignition Coil 339-832757A4 MERCURY Ignition Coil 7370A8 MERCURY Ignition Coil 7370A2 MERCURY Ignition Coil 4995A2 MERCURY Ignition Coil 4995A2 MERCURY Ignition Coil 4774A1 MERCURY Ignition Coil 7370A6 MERCURY Ignition Coil 7370A19 MERCURY Ignition Coil 7370A16 MERCURY Ignition Coil 832757A3 MERCURY Ignition Coil 7370A23 MERCURY Ignition Coil 7370A17 MERCURY Ignition Coil F718475 MERCURY Ignition Coil 832757B4 MERCURY Ignition Coil 7370B13 SIERRA Ignition Coil 18-5186 *ARCO Assurance 12-month part and labor warranty protection This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Premium Replacement Ignition Coil for OMC Inboard Engines This ignition coil fits Volvo Penta 1996 Apps. Replaces: OMC Ignition Coil 3854161 OMC Ignition Coil 987680 SIERRA Ignition Coil 18-7492 CDI Electronics Ignition Coil E18-0010 *ARCO Assurance 12-month part and labor warranty protection This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.