AMSOIL Motor Oil & Synthetic Lubricants

Not Sure Which AMSOIL Oil You Need? See Below

AMSOIL Synthetic Motor Oil for Cars, Trucks & Powersports

High-Performance AMSOIL Synthetic Oil

AMSOIL is a leader in synthetic oil technology, producing high-performance motor oils and lubricants designed to outperform conventional oils. AMSOIL synthetic oils help improve fuel economy, extend drain intervals, and deliver superior engine protection under extreme conditions.

  • Improved fuel efficiency
  • Longer oil change intervals
  • Superior wear protection

Synthetic Oil Solutions for Every Vehicle

AMSOIL offers full synthetic motor oil and lubricants for cars, trucks, motorcycles, diesel engines, and heavy equipment. Whether you drive daily, tow heavy loads, or operate in extreme temperatures, AMSOIL products are engineered to maximize engine performance and durability.

  • Gasoline & diesel engines
  • Light – duty & heavy – duty vehicles
  • Automotive, powersports & equipment

XL Extended Life and OE Synthetic Motor Oil

For drivers looking for a balance between performance and value, AMSOIL offers XL Extended Life and OE Synthetic Motor Oils. These synthetic oils deliver reliable engine protection while maintaining affordability for everyday driving.

  • XL Extended Life: Up to 12,000 miles or one year between oil changes
  • OE Synthetic: Designed for manufacturer-recommended drain intervals
  • Ideal for daily drivers and light trucks

Heavy-Duty Diesel Oil

AMSOIL Heavy-Duty Diesel Oil delivers reliable engine protection for both commercial and personal diesel trucks. Designed for extreme service conditions, this advanced diesel oil helps reduce wear, extend service intervals, and protect engines from costly breakdowns.

  • Designed for severe-duty diesel applications
  • Helps extend service intervals
  • Reduces engine wear and deposits
  • Ideal for work trucks and fleet vehicles

Designed for Extreme Cold & High-Performance Riding

Snowmobiles face unique challenges due to cold climates and high-performance needs. AMSOIL provides specific oils that address these demands, ensuring optimal engine protection in freezing conditions.

AMSOIL 4-Stroke Snowmobile Oil

For snowmobiles equipped with 4-stroke engines, AMSOIL 4-Stroke Snowmobile Oil provides superior cold-weather protection and wear resistance. This oil resists oxidation, keeps engines clean, and delivers dependable performance during the most demanding rides.

  • Superior cold-start protection
  • Reduces engine wear in extreme cold
  • Helps keep engines clean
  • Ideal for recreational and utility snowmobiles

Built for Durability in Tough Off-Road Conditions

ATVs and UTVs are often used in harsh off-road environments, including dirt, mud, sand, and heavy terrain. AMSOIL PowerSports oils are engineered to deliver long-lasting durability and reliable engine protection in demanding riding conditions.

  • Authorized AMSOIL Dealer
  • Synthetic Oil Leader Since 1972
  • Trusted by Fleets, racers & Professionals
  • Preferred Customers Save up to 25%

Click this image to Shop for Dirt Bike AMSOIL Lubrication

High-Performance Oil for Dirt Bikes

Dirt bikes operate at extremely high RPMs and temperatures, requiring lubricants that deliver rapid heat dissipation and consistent protection. AMSOIL dirt bike oils are engineered to reduce wear and maintain performance during aggressive riding and race conditions.

Synthetic Dirt Bike Oil

AMSOIL Synthetic Dirt Bike Oil is formulated for both 2-stroke and 4-stroke engines, providing high film strength and reduced friction during high-speed riding. This advanced synthetic oil resists thermal breakdown and helps protect engines in rugged off-road environments.

  • Designed for 2-stroke and 4-stroke dirt bikes
  • High film strength for extreme RPMs
  • Reduces friction and engine wear
  • Resists thermal breakdown under hard riding

Performance Protection for Metric Motorcycles

AMSOIL Metric Motorcycle Oil delivers excellent wear protection and smooth clutch engagement for high-performance metric motorcycles. Formulated with anti-foam additives and advanced synthetic technology, it helps maintain consistent performance for both city riding and long highway runs.

  • Wet-clutch compatible formulation
  • Smooth shifting and clutch engagement
  • Excellent wear protection
  • Ideal for Japanese and European motorcycles

V-Twin Synthetic Motor Oil

V-Twin Synthetic Motor Oil provides high-temperature stability, reduces engine noise, and protects transmission gears. This oil is compatible with Harley-Davidson® and other V-Twin motorcycles, enhancing long-lasting performance while keeping the engine and transmission components cool and clean​


Synthetic Marine Engine Oil

AMSOIL Synthetic Marine Engine Oil delivers advanced protection against corrosion, fuel dilution, and wear in wet environments. Designed for both freshwater and saltwater applications, it provides reliable lubrication and long-lasting durability for marine engines.

  • Enhanced corrosion protection in wet environments
  • Resists fuel dilution and wear
  • Maintains stability in freshwater and saltwater
  • Ideal for inboard and outboard marine engines


Heavy-Duty Diesel and Marine Oil

AMSOIL Heavy-Duty Diesel and Marine Oil is designed to reduce wear and protect industrial and commercial-grade diesel engines. Its advanced formulation helps resist deposits and corrosion while supporting longer service intervals and lower maintenance costs.

  • Designed for industrial and commercial diesel engines
  • Helps reduce wear and deposits
  • Protects against corrosion
  • Supports extended service intervals

Synthetic Small Engine Oil

AMSOIL Synthetic Small Engine Oil is specifically formulated for the high demands of outdoor power equipment. It helps prevent carbon buildup, improves fuel stability, and delivers reliable protection—even after extended storage.

  • Prevents carbon deposits and engine wear
  • Improves fuel stability during storage
  • Supports smooth starts and operation
  • Ideal for mowers, chainsaws, generators, and power equipment

DOMINATOR Synthetic Racing Oil

AMSOIL DOMINATOR Synthetic Racing Oil is formulated with advanced anti-friction additives and high film strength to maximize power output while protecting engines from thermal breakdown. Designed for high-revving race engines, it performs under frequent maintenance cycles common in competitive racing.

  • High film strength for extreme RPMs
  • Anti-friction additives to maximize power
  • Excellent thermal stability under race conditions
  • Ideal for competitive and high-performance racing engines

Heavy-Duty Diesel and Synthetic Gasoline Motorhome Oil

​AMSOIL Heavy-Duty Diesel and Synthetic Gasoline Motorhome Oils provide strong protection for engines operating over long distances. Designed to reduce wear, improve fuel efficiency, and maintain performance, these oils help ensure smooth and reliable operation for frequent travelers.

  • Designed for diesel and gasoline motorhome engines
  • Helps reduce engine wear over long distances
  • Supports fuel efficiency and reliability
  • Ideal for extended trips and full-time RV use


Tractor Hydraulic and Transmission Oils

AMSOIL Tractor Hydraulic and Transmission Oils provide multi-viscosity protection designed to reduce wear and maintain smooth hydraulic operation. These oils help protect critical systems and support reliable performance in high-stress agricultural environments.

  • Multi-viscosity protection for farm equipment
  • Helps reduce wear in hydraulic systems
  • Supports smooth transmission performance
  • Ideal for tractors and agricultural machinery

The Benefits of Choosing AMSOIL Motor Oil

AMSOIL offers a comprehensive line of synthetic motor oils and lubricants engineered to meet the demands of vehicles and equipment across a wide range of applications. From daily drivers to heavy-duty equipment, AMSOIL products are designed to deliver superior protection, improved efficiency, and longer service life.

Key benefits include improved fuel efficiency, extended drain intervals, and advanced engine protection that exceeds conventional oil standards.

AMSOIL’s Environmental Commitment and the Long-Term Benefits of Synthetic Lubricants

AMSOIL is recognized not only for performance and reliability, but also for its commitment to environmental responsibility. By developing high-quality synthetic lubricants that last longer and perform better, AMSOIL helps reduce waste, lower emissions, and decrease overall resource consumption.

Extended oil life and improved fuel efficiency mean fewer oil changes and reduced fuel usage—helping minimize environmental impact while maximizing engine protection.

Biodegradable and Low-Impact Options

AMSOIL also offers biodegradable and low-impact lubricants, including select hydraulic and specialty oils designed for environmentally sensitive applications. These products break down more naturally and are ideal for use in agriculture, construction, and other industries where environmental stewardship is critical.

Reducing waste oil disposal and minimizing the frequency of oil changes further supports AMSOIL’s commitment to a more sustainable future.

The AMSOIL Advantage: Why It’s the Preferred Choice for Engine Protection

AMSOIL synthetic motor oils consistently outperform conventional oils and many competing synthetics thanks to advanced formulations, proven durability, and application-specific design. Whether for automotive, diesel, powersports, marine, or industrial use, AMSOIL delivers reliable performance across demanding environments.

  • Extended engine protection that helps reduce wear on critical components
  • Improved fuel economy through reduced friction and optimized lubrication
  • Longer oil change intervals that save time, reduce waste, and lower operating costs


Why AMSOIL Motor Oil Is a Smart Long-Term Choice

AMSOIL Motor Oil and AMSOIL Lubricants are engineered to meet the demands of a wide range of vehicles and equipment, offering premium synthetic solutions that deliver superior protection, performance, and value. From cars and trucks to agricultural, marine, and industrial equipment, AMSOIL products are designed to perform in the most demanding conditions.

Whether you’re a performance enthusiast, a professional operator, or someone who relies on dependable equipment every day, AMSOIL provides solutions that help extend engine life, improve efficiency, and reduce maintenance costs.

With benefits like extended drain intervals, improved fuel efficiency, and a focus on long-term reliability, AMSOIL synthetic lubricants represent a smarter investment in engine protection.

Find the Right AMSOIL Oil for Your Equipment

Use AMSOIL’s vehicle and equipment lookup tool to quickly find the correct synthetic oil for your application.

Frequently Asked Questions About AMSOIL Motor Oil

Is AMSOIL better than conventional oil?

AMSOIL synthetic motor oils are engineered to outperform conventional oils by providing stronger wear protection, improved resistance to thermal breakdown, and longer service life under demanding conditions.

How often can I change AMSOIL oil?

Many AMSOIL products are designed for extended drain intervals when used according to recommendations, allowing fewer oil changes compared to conventional oils while maintaining engine protection.

Does AMSOIL improve fuel efficiency?

Yes. By reducing internal engine friction and maintaining stable viscosity, AMSOIL synthetic oils can help improve fuel efficiency in many applications.

Is AMSOIL suitable for heavy-duty and commercial use?

Absolutely. AMSOIL offers application-specific lubricants for diesel engines, fleets, agricultural equipment, marine engines, and industrial machinery.