Warranties

Castrol SYNTEC exceeds passenger car and light truck manufacturers' warranty requirements for the protection of gasoline and turbocharged engines where API SL, SJ or SH is recommended. Castrol SYNTEC grades exceed the engine protection requirements of ILSAC GF-4 for API Certified Gasoline Engine Oils. SYNTEC grades are formulated to surpass European engine test and Japanese wear test requirements and also exceeds the engine protection requirements of Ford ESE-M2C153-G and F, GM 6094M, GM 6085M, Chrysler Corporation MS-6395.

Only use SAE 5W-20 viscosity grade where recommended by vehicle manufacturer.