Enhanced Protection for Peace of Mind and Convenience
With rapidly rising new-vehicle pricing and the high cost of repairs, drivers are keeping their vehicles on the road longer than ever. Preventive maintenance that includes high-quality lubricants is key for keeping vehicles safe and dependable for the long haul. AMSOIL 100% Synthetic High-Mileage Motor Oil is designed speciically 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 beneit from more-robust maintenance. It cleans and protects engines with boosted detergency and an additive
ENGINE CLEANLINESS
Deposits reduce engine performance and eficiency. AMSOIL 100% Synthetic High-Mileage Motor Oil provides enhanced detergency to breathe new life into dirty engines by removing deposit buildup to help restore peak performance.
DURABLE VISCOSITY
Engines can lose compression as cylinders and piston rings wear, leading to reduced horsepower. Maintaining a consistent luid ilm helps to counteract compression loss by sealing combustion chambers to maintain performance. AMSOIL 100% Synthetic High-Mileage Motor Oil is formulated to maintain viscosity, even in extreme temperatures. Its highly durable viscosity provides proper ilm thickness, even during extreme operation.
OIL-CONSUMPTION CONTROL
Oil consumption is often an issue in high-mileage vehicles. AMSOIL 100% Synthetic High-Mileage Motor Oil is thermally stable across a wide range of temperatures, resisting volatility and consumption. .
LEAK PROTECTION
Oil leaks are an inconvenience and if left unchecked can lead to lack of lubrication and engine failure. AMSOIL 100% Synthetic High-Mileage Motor Oil provides a boosted dose of seal conditioners to restore aging seals and help stop leaks.
SLUDGE REDUCTION
AMSOIL 100% Synthetic High-Mileage Motor Oil reduced sludge by 67%, VV demonstrating its cleaning power that helps engines last longer and perform better.

DEPOSIT REDUCTION
AMSOIL 100% Synthetic High-Mileage Motor Oil provides up to 62% better deposit prevention.

API LICENSED:
Licensed by the American Petroleum Institute (API) to meet and exceed requirements commonly found in owner’s manuals.
GUARANTEED PERFORMANCE
Like our products, the AMSOIL Limited Warranty is built with an extra measure of protection. While some other oil companies guarantee their products only until you reach a specified mileage, we don't place restrictions on our warranty coverage based on total vehicle miles.
Plus, AMSOIL products are Warranty Secure, keeping your factory warranty intact. They are high-performance replacements for vehicle/equipment manufacturer-branded products.
AMSOIL makes top-quality synthetic lubricants for your car, truck, motorcycle, boat, four-wheeler, snowmobile, lawnmower and anything else with an engine. AMSOIL lubricants are designed to help your equipment run at peak efficiency and last longer. Join the millions of proud AMSOIL users to experience the difference.