Person holding a large, beige bottle with measurement markings, in a store aisle lined with similar bottles.

Engineered for Performance and Protection

AMSOIL is a leader in synthetic lubrication solutions, offering products designed to enhance engine performance, reduce wear, and extend service life. With a reputation for quality and innovation, many AMSOIL diesel and motor oils deliver guaranteed protection for up to 25,000 miles, making them a preferred choice for those seeking reliability and efficiency.

AMSOIL Product Lineup

Stay Informed & Updated

Understanding Oil Viscosity Presentation Slide.

Understanding Oil Viscosity

12/11/2025
Viscosity is the measure of a fluid's resistance to flow. The physical properties of lubricants...

Unmatched Protection for Every Drive

AMSOIL’s advanced formulas provide unmatched protection, whether for daily use or high-performance applications. Reach out today to get access to top-tier AMSOIL products. Whether you need AMSOIL transmission fluid or accessories, we are your right choice.

Connect for AMSOIL Products

Shop AMSOIL Products

Buy AMSOIL products and save 25% as a preferred customer. Use the search bar below to find the products you need or click the vehicle lookup button to find products for your vehicle.

Lookup products based on your vehicle OR search for products directly.

Vehicle Lookup

More AMSOIL® Products

Black AMSOIL diesel oil bottle.

AMSOIL Signature Series 15W-40 100% Synthetic Max-Duty Diesel Oil

Outstanding extreme-pressure protection Delivers 6X more wear protection1 Maintains proper viscosity (thickness)  Minimizes oil...
Black bucket of AMSOIL synthetic lubricant.

AMSOIL 100% Synthetic Stationary Natural Gas Engine Oil

Formulated to Provide Top Efficiency in Stationary Engines Fueled by...
Synthetic motorcycle oil bottle, SAE 5W-40.

AMSOIL 5W-40 100% Synthetic Metric Motorcycle Oil

Premium wear protection Smooth, confident shifts Cool, clean performance Product code : MMFQT-EA...
AMSOIL metric motorcycle oil bottle, 15W-50.

AMSOIL 15W-50 100% Synthetic Metric Motorcycle Oil

Premium wear protection Smooth, confident shifts Cool, clean performance Product code : MFFQT-EA...
Synthetic motorcycle oil bottle, gray and blue.

AMSOIL 10W-40 100% Synthetic Metric Motorcycle Oil

Premium wear protection Smooth, confident shifts Cool, clean performance Product code : MCFQT-EA...
AMSOIL synthetic metric motorcycle oil bottle.

AMSOIL 10W-30 100% Synthetic Metric Motorcycle Oil

Premium wear protection Smooth, confident shifts Cool, clean performance Product code : MCTQT-EA...
Amsoil V-Twin motorcycle oil bottle.

AMSOIL 20W-50 100% Synthetic V-Twin Motorcycle Oil

Resists viscosity breakdown 6X better than Harley-Davidson* SYN3* for improved protection against compensator and...
Motorcycle oil bottle with brown cap.

AMSOIL SAE 60 100% Synthetic V-Twin Motorcycle Oil

Resists extreme heat to help keep engines clean and efficient Reduces...
AMSOIL V-Twin synthetic motorcycle oil bottle.

AMSOIL 20W-40 100% Synthetic V-Twin Motorcycle Oil

Developed by AMSOIL for use in Victory * and Indian*...
Synthetic V-Twin motorcycle oil bottle.

AMSOIL 15W-60 100% Synthetic V-Twin Motorcycle Oil

Developed by AMSOIL for use in Victory * and Indian*...
AMSOIL V-Twin Oil Change Kit bottles.

AMSOIL 20W-50 Synthetic V-Twin Oil Change Kit – 5 Quarts with Chrome Filter

Combines everything needed to perform an AMSOIL oil change on most 2016-present...
AMSOIL V-Twin Oil Change Kit display.

AMSOIL 20W-50 Synthetic V-Twin Oil Change Kit – 5 Quarts with Black Filter

Combines everything needed to perform an AMSOIL oil change on most 2016-present...
AMSOIL V-Twin oil change kit display.

AMSOIL 20W-50 Synthetic V-Twin Oil Change Kit – 4 Quarts with Chrome Filter

Combines everything needed to perform an AMSOIL oil change on most 1999-2016...
AMSOIL V-Twin oil change kit displayed.

AMSOIL 20W-50 Synthetic V-Twin Oil Change Kit – 4 Quarts with Black Filter

Combines everything needed to perform an AMSOIL oil change on most 1999-2016...
Amsoil synthetic dirt motorcycle oil bottle.

AMSOIL 10W-60 100% Synthetic Dirt Bike Oil

Designed to improve the performance of bike and rider. Consistent clutch...
AMSOIL synthetic dirt motorcycle oil bottle.

AMSOIL 10W-50 100% Synthetic Dirt Bike Oil

Designed to improve the performance of bike and rider. Consistent clutch...
AMSOIL synthetic dirt motorcycle oil bottle.

AMSOIL 10W-40 100% Synthetic Dirt Bike Oil

Designed to improve the performance of bike and rider. Consistent clutch...
Gray bottle of AMSOIL scooter oil.

AMSOIL Formula 4-Stroke® 100% Synthetic Scooter Oil

Outstanding Protection for Scooter Engines, Transmissions and Gearboxes Wet-clutch compatible Resists heat...
AMSOIL synthetic two-stroke racing oil bottle.

AMSOIL DOMINATOR® 100% Synthetic 2-Stroke Racing Oil

Excellent film strength for high-heat, high-rpm engines Anti-friction formula for maximum power...
AMSOIL Interceptor 2-stroke oil bottle.

AMSOIL INTERCEPTOR® 100% Synthetic 2-Stroke Oil

Excellent for all two-stroke snowmobiles Prevents piston ring & exhaust power valve...
Gray bottle of AMSOIL injector oil.

AMSOIL 100% Synthetic 2-Stroke Injector Oil

Ideal for outboard motors and snowmobiles Protects against rust and wear Controls deposits...