4 Seasons Oils

Vacaville, CA

100% Veteran Owned Business

Authorized Dealer

  • tbreckon@sbcglobal.net
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Synthetic Lubricants

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

Amsoil, MOTOR OIL, Synthetic 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 Synthetic Lubricants Excel in Summer Heat

MOTOR OIL, Synthetic Lubricants, Synthetic Oils /

Extreme summer heat can cause motor oil to break faster and lose viscosity. Amsoil was tested by  an independent laboratory and ran at 304 degrees F for 90 minutes. Afterwards the oil was put back into the engine and the test run again. After running the test a second time the Signature Amsoil still maintained

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