4 Seasons Oils

Vacaville, CA

Authorized Dealer

Amsoil

Long Haul Truck Still Running and Working After 2 Million Miles Using Amsoil Lubricants

Jerry Pruitt bought a new Kenworth in 1999 and installed AMSOIL lubricants the truck. This included AMSOIL 15-40 heavy duty Diesel Marine and an Amsoil, “dual guard filtration system” which allows him to change the oil every 100,000 miles and saves him a significant amount of money. He also uses Amsoil SAE 90 in the …

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Amsoil Signature Oils Cleans Up The Competition

The total base number test (TNB) measures the additives in a motor oil. The higher an oil’s TBN, the better its ability to neutralize contaminants such as combustion by-products and acidic materials. Higher TBN oils neutralize a greater amount of acidic material, which results in longer oil life and cleaner engines. AMSOIL has a large …

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