Every product below links to our official AMSOIL storefront, where you'll find the full catalog, current pricing, and a lookup guide to match the right products to your exact vehicle.
AMSOIL's flagship products. Signature Series delivers 25,000-mile/1-year drain intervals and maximum wear protection. XL offers boosted protection for 12,000 miles, and OE provides premium protection at OEM-recommended intervals. Available in all common viscosities for gas and diesel engines.
Heavy-duty synthetic diesel oils engineered for turbo-diesel pickups, semis, and equipment. Signature Series Max-Duty delivers up to 6X better wear protection than required by industry standards. Pair with Diesel All-In-One for injector cleaning, cetane boost, and cold-flow protection.
Signature Series synthetic ATF for severe towing service, synthetic gear lubes that protect differentials under extreme pressure, and synthetic greases for chassis, wheel bearings, and equipment that won't pound out or wash away.
AMSOIL Ea® Oil Filters feature advanced synthetic media for outstanding filtering efficiency and capacity, designed to last as long as your extended oil drain. Ea Air Filters, bypass filtration systems, and cabin air filters complete the lineup.
P.i.® Performance Improver is one of the most potent gasoline injector cleaners available — restores power and fuel economy in one tank. Quickshot® cleans and stabilizes small-engine and powersports fuel systems. Gasoline Stabilizer protects stored equipment.
Dedicated formulations for motorcycles (including wet clutches), ATVs/UTVs, dirt bikes, snowmobiles, boats, and outboards — plus synthetic small-engine oil for mowers, generators, and lawn equipment that runs hot all day.
Not sure what your vehicle needs? Use the AMSOIL Product Lookup Guide to find exact matches by year, make, and model.
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