AMSOIL 5W-30 100% Synthetic High Mileage Motor Oil

AMSOIL 5W-30 Synthetic High Mileage Motor Oil is a top-of-the-line choice for vehicles with over 75,000 miles. Its specially formulated synthetic blend helps reduce wear and tear on high mileage engines, extending their life span. This oil also contains additives that help protect seals and gaskets, preventing leaks and maintaining engine performance. AMSOIL’s high-quality formula ensures better fuel economy by reducing friction between moving parts. In addition, it provides excellent protection against rust and corrosion, safeguarding the engine’s internal components.

  • Unique Chemistry for Vehicles With >75,000 Miles
  • Boosted Detergent & Dispersant Package
  • Enhanced Anti-Wear Additives
  • Guaranteed Protection For 12,000 Miles/1-Year1
  • API Licensed

1Normal Service – Up to 12,000 miles or one year, whichever comes first, in personal vehicles not operating under severe service.

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AMSOIL 5W-30 Synthetic High Mileage Motor Oil is specifically designed to meet the needs of vehicles with over 75,000 miles. This high-quality synthetic oil helps reduce wear and keep engines running smoothly. It contains advanced additives that help combat engine sludge, improve fuel efficiency, and provide excellent protection against rust and corrosion.

The 5W-30 viscosity rating ensures easy cold starts and optimal performance in a wide range of temperatures. AMSOIL’s high-mileage formula addresses the common issues that older engines face, such as oil consumption and leaks. By using this motor oil, drivers can prolong the life of their vehicles and avoid costly repairs.

Suitable for both gasoline and diesel engines, AMSOIL’s Synthetic High Mileage Motor Oil is a top choice for those looking to maintain their high-mileage vehicles in peak condition. With its superior engine protection and enhanced performance benefits, this oil offers peace of mind for drivers with older cars or trucks.

Preventive maintenance that includes high-quality lubricants is key for keeping vehicles safe and dependable for the long haul. AMSOIL 5W-30 Synthetic High Mileage Motor Oil is designed specifically for the unique demands of high-mileage engines, helping extend the life of your vehicle. It delivers purpose-built protection at a time in your vehicle’s life where it could benefit from more-robust maintenance. It cleans and protects engines with boosted detergency and an additive package that fights oil breakdown and oil leaks.

See the Product Data Bulletin for full details.


  • Enhanced detergency to breathe new life into dirty engines.
  • Removes deposit buildup to help restore peak performance.


  • Maintains proper film thickness in extreme operation.


  • Thermally stable across a wide range of temperatures.
  • Resists volatility and oil consumption.


  • Conditions seals to help prevent leaks.


  • Licensed by the American Petroleum Institute (API) to meet and exceed requirements commonly found in owner’s manuals.

Technical Specifications


Download the SDS

Data Bulletins

Download the Data Bulletins


Download the Warranty


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