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Product Details

Sierra SAE 30 is a full synthetic marine engine oil with performance additives. Exceeding FC-W requirements and AP SL/CF diesel specifications for marine engine oil, SAE 30 is recommended for gasoline and diesel inboard and sterndrive engines. It's unique formulation provides superior engine protection during starting, operation, and storage.

Reducing friction leads to better performance and less wear on internal parts, increasing the life of your boat's engine. Synthetic oils provide longer lubrication effectiveness compared to standard mineral oils. Clean running engines have lower oil consumption and better fuel economy.