Fuel additives
P.i. Performance Improver Gasoline Additive
Gasoline fuel-system cleaner for injectors, valves, and combustion chambers.
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AMSOIL fuel additives
Gasoline and diesel additives for specific maintenance tasks, from P.i. fuel-system cleaning to diesel treatment and seasonal storage.
Choose the fuel type and task first. Cleaner, stabilizer, octane booster, cetane booster, and cold-weather treatment describe different jobs.
12 products
Fuel additives
Upper Cylinder Lubricant Corrosion Inhibitor
Upper-cylinder lubricant and corrosion inhibitor for compatible gasoline fuel systems.
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Fuel additives
Quickshot Gasoline Treatment and Stabilizer
Gasoline treatment and stabilizer for compatible powersports and small-engine fuel systems.
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Fuel additives
Gasoline Stabilizer
Gasoline stabilizer for equipment and vehicles being prepared for storage.
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Fuel additives
Diesel 4-IN-1 Fuel Additive
Diesel additive combining injector cleaning, lubricity, cetane, and cold-flow functions.
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Fuel additives
Diesel Injector Clean Fuel Additive
Diesel fuel additive designed to clean injectors and support fuel-system lubrication.
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Fuel additives
Diesel Cetane Boost Fuel Additive
Cetane-boosting diesel fuel additive for compatible diesel applications.
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Fuel additives
Diesel Cold Flow Fuel Additive
Cold-flow diesel fuel additive to help manage fuel waxing in cold weather.
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Fuel additives
Diesel Injector Clean + Cetane Boost Fuel Additive
A diesel fuel additive combining injector-cleaning and cetane-boosting functions.
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Fuel additives
Diesel Recovery Fuel Treatment
A diesel fuel treatment for the cold-weather recovery applications described on its label.
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Fuel additives
Motorcycle Octane Boost
An octane-boosting gasoline treatment intended for the listed motorcycle applications.
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Fuel additives
DOMINATOR Octane Boost
A gasoline octane-boosting treatment; confirm the label’s equipment restrictions before use.
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Selected products for your maintenance needs. Confirm current specifications and fitment with AMSOIL and your vehicle manufacturer. Prices, package sizes, availability, and checkout are provided by AMSOIL.