4 Seasons Oils

Vacaville, CA

100% Veteran Owned Business

Authorized Dealer

Synthetic Automatic Transmission Fluid

Manual Transmission Fluid & Automatic Transmission Fluid: What’s the Difference?

AMSOIL Automatic Transmission oil, ATF and ATL must do the following: They must act as a hydraulic fluid, deliver correct friction requirements, protect gear wear and fight transmission heat. Manual Transmission Oils must- provide smooth shifts, fight wear and protect the brass synchronizers. In 2006, 18% of the vehicles made had manual transmissions. In 2018 […]

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Another Win for AMSOIL Products

HOT ROD magazine tested a 2006 5.7 Dodge Charger at the Pennsylvania College of Technology’s dyno laboratory and proved that AMSOIL synthetic lubricant products can increase fuel economy, horsepower, and torque. Hot Rod Magazine stated that the results were amazing and dramatic, proving that synthetic lubricants deliver the long-term protection and performance needed in high

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