4 Seasons Oils

Vacaville, CA

100% Veteran Owned Business

Authorized Dealer

AMSOIL Synthetic Gear Lube

Order your AMSOIL Signature Synthetic Motor Oil Today!

AMSOIL keeps pistons cleaner even after doubling the length of the industry standard test. In independent testing AMSOIL 5-30 delivered cleaner pistons by 40% than required by standard. 75% more engine protection against horsepower loss and wear. 50% more cleaning power vs. AMSOIL OE Motor Oil Protects turbochargers 72% better than required2 by the GM […]

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Toyota ‘Workhorse’ Clocks More Than 500,000 Miles

Brock Fraser of Las Vegas, NV, a Preferred customer has almost 600,000 miles on his 1998 Toyota Tacoma using AMSOIL products! Brock makes frequent trips between LA and Phoenix totaling 600 miles round trip each. He learned about AMSOIL from a friend and after researching the product started using it over 15 years ago. He

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