4 Seasons Oils

Vacaville, CA

100% Veteran Owned Business

Authorized Dealer

Synthetic Oils

AMSOIL Signature Synthetic Lubricants Excel in Summer Heat

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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AMSOIL European Motor Oil

AMSOIL European Motor Oil gives complete protection and coverage for the strict European manufacturer specifications.  It often exceeds the European requirements and is labeled accordingly. AMSOIL European Motor Oil is excellent for vehicles with turbochargers that produce higher engine operating temperatures.  It protects turbochargers in extreme cold in sub-zero temperatures.  AMSOIL European Oil comes in SAE0W-20,

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