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AMSOIL Synthetic Marine products
Check out all the products AMSOIL has for all your Marine applicatios.

AMSOIL P.i. Performance Improver
Improves fuel mileage an average of 2.3% and up to 5.7%. Reduces emissions such as hydrocarbons (HC) up to 15%, carbon monoxide (CO) up to 26% and nitrous oxides (NOx) up to 17%. Restores power and performance. Reduces the need for costly higher octane fuel. Reduces noise from carbon rap and pre-ignition. Offers better vehicle drivability and smoother operation. A vehicle demonstrates its best efficiency and engine performance when it is new. As the engine ages, its performance suffers from gasoline fuel-generated deposits that form on the fuel injectors, intake valves and combustion chamber. Additives are required to control deposit formation. Today’s fuels, however, lack sufficient treatments of either enough additives or high quality additives. Fuel system deposits result in the following: • Lost fuel economy • Lost power and poor throttle response • Failed emission tests • Poor drivability - surging, hesitation, stalling, rough idle • Engine knocking (pinging) and rap • Difficult starts

AMSOIL By-pass Oil Filter Mounting Kits
The Ea By-Pass Oil Filter (EaBP) provides the best possible filtration protection against wear and oil degradation. Working in conjunction with the engine’s full-flow oil filter, the AMSOIL Ea By-Pass Filter operates by filtering oil on a “partial-flow” basis. It draws approximately 10 percent of the oil pump’s capacity at any one time and traps the extremely small, wear-causing contaminants that full-flow filters can’t remove. The AMSOIL Ea Bypass Filter typically filters all the oil in the system several times an hour, so the engine continuously receives analytically clean oil.

Vintage Vehicle Look up
Do you have an older of classic car? Do you want to know what filters AMSOIL has for you to use? Then check out AMSOIL's Vintage Vehicle look up to find out more.

AMSOIL Filtration cross reference
This cross reference guide will return the corresponding AMSOIL, MANN and WIX filter(s) for any manufacturer filter number. AMSOIL provides filters for both Car/Light truck and Heavy Duty applications. In some cases, we might recommend a different filter based on its intended application. To help us recommend the appropriate filter, please select your intended application type: