AMSOIL products by equipment
Every engine you own, one catalog
Marine leads this list because that is the specialty — but the same order can cover the boat, the truck that tows it, the side-by-side on the lease and the generator in the garage. Every link below goes straight to the matching category on AMSOIL.com, where AMSOIL INC. handles the order and ships it direct to you.
01 · Marine
Marine
Saltwater is the harshest duty cycle a small engine will ever see. Outboards run at sustained high load with no gear reduction to hide behind, then sit for weeks in humid air where condensation collects in the crankcase and the lower unit. AMSOIL builds a dedicated marine line for exactly that: NMMA FC-W Catalyst Compatible four-stroke oil, HP Marine two-stroke oil that runs injection or 50:1 pre-mix, and a synthetic gear lube that keeps protecting gears and bearings even when water gets past the seal.
Product families
AMSOIL Marine Synthetic Motor Oil (10W-30, 10W-40, 25W-40)
NMMA FC-W Catalyst Compatible four-stroke outboard, sterndrive and inboard oil.
AMSOIL HP Marine Synthetic 2-Stroke Oil
Injection or 50:1 pre-mix, including the Evinrude E-TEC factory-lean setting.
AMSOIL Synthetic Marine Gear Lube 75W-90
Lower-unit protection that holds up under water contamination.
AMSOIL Quickshot
Fuel-system cleaner that addresses ethanol and water separation between trips.
AMSOIL Synthetic Water Resistant Grease
Trailer bearings, steering and fittings that get dunked at the ramp.
AMSOIL Heavy-Duty Metal Protector
Corrosion barrier for connectors, linkages and exposed hardware.
02 · Car & Truck
Car & Truck
A truck idling in an Austin parking lot in August is doing thermally harder work than the same truck cruising in a cold climate. Heat drives oil volatility, and volatility is what leaves deposits behind. AMSOIL Signature Series is built to resist exactly that, and the XL and OE lines cover the same ground at different service intervals if you would rather stay closer to a conventional schedule.
Product families
AMSOIL Signature Series 100% Synthetic Motor Oil
The flagship line, for drivers who want the longest protection interval.
AMSOIL XL Synthetic Motor Oil
Extended-drain protection at a mid-tier price point.
AMSOIL OE Synthetic Motor Oil
Built for original-equipment service intervals.
AMSOIL Signature Series Multi-Vehicle ATF
Automatic transmission fluid for heat and towing load.
AMSOIL Severe Gear Synthetic Gear Lube
Differentials under tow and haul duty.
AMSOIL Oil, Air and Cabin Filters
Filtration matched to the drain interval.
AMSOIL P.i. Performance Improver
Gasoline additive that cleans injectors and combustion deposits.
03 · Diesel
Diesel Truck
Diesel pickups on the Gulf Coast tow boats in the heat, then idle at the ramp. Soot loading, fuel dilution and heat all attack the oil's ability to hold viscosity. The Signature Series Max-Duty line is formulated around those stresses, and the fuel additives matter just as much here because summer-blend diesel and long storage gaps do not mix well.
Product families
AMSOIL Signature Series Max-Duty Synthetic Diesel Oil
Flagship diesel oil across 0W-40, 5W-30, 5W-40, 10W-30 and 15W-40.
AMSOIL Heavy-Duty Synthetic Diesel Oil
Mixed-fleet and work-truck duty.
AMSOIL Diesel All-In-One
Single-bottle detergent, lubricity and cold-flow package.
AMSOIL Diesel Injector Clean
Restores injector spray pattern and power.
AMSOIL Diesel Cold Flow
For the handful of hard freezes the Gulf Coast does get.
AMSOIL Severe Gear 75W-90 and 75W-140
Heavy-load differential protection.
AMSOIL Donaldson Endurance Filters
Extended-service oil and fuel filtration.
04 · V-Twin
V-Twin Motorcycle
An air-cooled V-twin has no radiator to fall back on. In stop-and-go Gulf Coast traffic, oil temperature climbs fast and stays there, and thin oil films are what cause valve-train and cam wear. AMSOIL V-Twin oil is built to hold viscosity at those temperatures, and the separate primary and transmission fluids exist because those three sumps do genuinely different jobs.
Product families
AMSOIL 20W-50 Synthetic V-Twin Motorcycle Oil
The standard choice for air-cooled twins.
AMSOIL 60 Synthetic V-Twin Motorcycle Oil
For high-output and high-heat builds.
AMSOIL V-Twin Primary Fluid
Dedicated primary chaincase protection.
AMSOIL V-Twin Transmission Fluid
Smoother shifts and gear protection.
AMSOIL Synthetic Dirt Bike Oil
10W-40 and 10W-60 for off-road four-strokes.
AMSOIL Metric Motorcycle Oil
10W-30 and 10W-40 for Japanese and European bikes.
AMSOIL Motorcycle Octane Boost
Reduces knock and improves throttle response.
05 · ATV/UTV
ATV / UTV
Ranch and hunting-lease side-by-sides in East Texas and Louisiana run slow, hot and wet. Low ground speed means less cooling airflow, water crossings mean contamination, and CVT belts punish transmission fluid. This line addresses all three, and the water-resistant grease is not optional equipment down here.
Product families
AMSOIL Synthetic ATV/UTV Motor Oil
0W-40, 5W-50 and 10W-40 for powersports duty cycles.
AMSOIL Powersports CVT Fluid
Belt-driven transmission protection.
AMSOIL Severe Gear Synthetic Gear Lube
Front and rear differentials, wet or dry.
AMSOIL Synthetic Water Resistant Grease
Holds up through water crossings.
AMSOIL Quickshot
Keeps fuel systems clean through long idle periods.
AMSOIL Foam Filter Oil and Cleaner
Air filtration for dust and mud.
06 · Snowmobile
Snowmobile
Plenty of Gulf Coast riders trailer sleds north every winter, and a meaningful share of this business ships to Canada. Same catalog, same dealer, same referral. Interceptor and Dominator cover the two-stroke side, and the chaincase and gear oil handles the driveline.
Product families
AMSOIL Interceptor Synthetic 2-Stroke Oil
The mainstream choice for modern sleds.
AMSOIL Dominator Synthetic 2-Stroke Racing Oil
High-output and competition use.
AMSOIL Synthetic Chaincase & Gear Oil
Chaincase and driveline protection.
AMSOIL Synthetic Snowmobile Fork Oil
Consistent damping in the cold.
AMSOIL Domintor Octane Boost
Reduces knock in high-compression engines.
07 · Power Equipment
Power Equipment
Two things define small-engine life on the Gulf Coast: a mowing season that never really ends, and a generator that has to start on the first pull when a storm knocks the power out. Ethanol-blended fuel sitting in a tank for eleven months is the single most common reason it does not. Saber two-stroke oil, small-engine oil and a gasoline stabilizer cover the whole problem.
Product families
AMSOIL Saber Professional Synthetic 2-Stroke Oil
Trimmers, blowers and saws at lean mix ratios.
AMSOIL Synthetic Small-Engine Oil
10W-30 and 15W-40 for mowers and generators.
AMSOIL Synthetic Bar & Chain Oil
Tacky film that stays on the chain.
AMSOIL Gasoline Stabilizer
Keeps stored fuel usable through the off-season.
AMSOIL Quickshot
Cleans up gummed carburetors and injectors.
AMSOIL Synthetic Polymeric Off-Road Grease
Deck spindles, bearings and pivots.
Not finding it?
The full AMSOIL catalog runs deeper than this page
Filters, greases, gear lubes, fuel additives, transmission fluids, coolant and shop supplies are all available. If you tell me the equipment and how you use it, you will get specific part numbers back — that is faster than scrolling a catalog.
1 Based upon AMSOIL testing of AMSOIL 75W-90 Synthetic Marine Gear Lube in ASTM 3233 and ASTM D892.
2 Per AMSOIL published product information for AMSOIL Marine Synthetic Motor Oil, NMMA FC-W Catalyst Compatible certified.
3 Per AMSOIL published product information for AMSOIL HP Marine Synthetic 2-Stroke Oil.