Buy AMSOIL Synthetic Lubricants Online
Shop AMSOIL synthetic motor oil, diesel oil, transmission fluid, gear oil, fuel additives, filters and maintenance products for cars, trucks, RVs, powersports equipment, marine use and more.
Find the right product faster.
Choose your vehicle or equipment type and use our guides to narrow the right fluids, filters and maintenance products before you order.
Shop by product type.
Explore the major AMSOIL product categories, then use the vehicle lookup to confirm the exact product and specification for your application.
Motor Oil
Synthetic motor oils for gasoline, diesel, powersports, marine and other applications.
Heavy Duty
Diesel Engine Oil
Synthetic diesel engine oils for pickups, motorhomes, agriculture and heavy-duty equipment.
Drivetrain
Transmission Fluid
Automatic and manual transmission fluids for a wide range of vehicles and equipment.
Drivetrain
Gear Oil
Gear lubricants for differentials, gearboxes, marine drives and demanding service.
Fuel System
Fuel Additives
Gasoline and diesel fuel additives for cleaning, performance, cold weather and storage.
Filtration
Filters
Oil, air, fuel, hydraulic and other filtration products for vehicles and equipment.
Chassis & Bearing
Bearing & Chassis Grease
Greases designed for bearings, chassis components and demanding applications.
Maintenance
Cleaners & Protectants
Cleaning, lubricating and protective products for vehicles, equipment and shop use.
See the test data behind AMSOIL.
Go beyond marketing claims with plain-English explanations of selected standardized wear, oil-consumption and filtration tests published by AMSOIL.
Wear Protection
See how selected AMSOIL motor oil results compare with the test limit in standardized wear testing.
See the wear data →
Diesel Oil Consumption
Review AMSOIL's published Caterpillar-1N oil-consumption results and what the numbers mean.
See diesel test data →
Filtration Efficiency
Understand the different jobs of full-flow and bypass filtration using published efficiency specifications.
See filtration data →Helpful AMSOIL guides.
Learn what product categories and lookup tools fit your vehicle, RV, powersports equipment or business before you shop.
AMSOIL for RVs
Motorhomes, tow vehicles and common RV maintenance products.
Read guide →
AMSOIL for Diesel Trucks
Engine oil, fuel additives, filtration and drivetrain maintenance.
Read guide →
AMSOIL for Finding the Right Product
Use our product-selection guide to narrow the right AMSOIL products without guessing.
Read guide →Where to Buy AMSOIL
Research AMSOIL products, choose the right application and order through World Class Lubricants.
Read guide →Buy AMSOIL for your own vehicles and equipment?
AMSOIL's Preferred Customer program is designed for people purchasing products for their own vehicles and equipment and can provide member pricing and other purchase benefits.
Designed for repeat personal-use buyers.
If you maintain multiple vehicles, an RV, powersports equipment or other equipment, the Preferred Customer program may reduce your product cost on qualifying purchases.
- Member pricing on eligible AMSOIL products
- Useful for routine maintenance and repeat orders
- Compare the current program cost with your expected annual purchases
Buying lubricants for a business?
World Class Lubricants can also help commercial operators, fleets, contractors, farms, shops and other businesses connect with AMSOIL programs designed for larger-volume use.
Popular AMSOIL searches & guides
Use these focused guides to research common AMSOIL applications, viscosities and maintenance questions, then confirm exact product fitment with the AMSOIL lookup.