SIERRA–25W-40 4 Stroke Marine Stern Drive Engine Oil, 55 Gal.
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25W-40 4 Stroke Marine Stern Drive Engine Oil, 55 Gal.
Engine oil formulated specifically for inboard marine engines.
Marine engines operate in a completely different environment from your car's engine; marine engine experience higher loads and are stressed more than automotive engines. For this reason Sierra formulated this mineral based oil to provide corrosion protection and excellent lubrication. A blend of additives provides high detergency, anti-wear and anti-oxidants to reduce deposits, wear and tear on internal engine components and ring sticking. Sierra engineered this oil to meet or exceed the required specifications for MerCruiser, OMC and Volvo Penta specifications to stay compliant with their manufacturer’s warranties. Have the confidence your marine engine has the protection it needs by using Sierra oil.
- Formulated specifically for marine inboard and sterndrive engines
- Mineral based oil
- Provides corrosion protection
- Reduces wear on internal engine parts
- Reduces piston ring deposits
- Meets specification requirements of MerCruiser, OMC and Volvo Penta
- API SJ, CF-4, CH-4 certified
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