Description
Sierra 10W-30 FC-W Full Synthetic Oil is engineered specifically for modern 4-stroke outboard and sterndrive engines, delivering advanced protection and performance in demanding marine environments. Formulated with a premium synthetic base oil and a balanced additive system, it exceeds NMMA FC-W requirements for marine engine lubrication. It provides fast oil flow and protection at startup in low temperatures while maintaining excellent film strength under high-temperature operation. With enhanced oxidation resistance, it helps reduce oil consumption and maintain cleaner engine operation. NMMA FC-W certified and API-SL rated, it ensures dependable performance and protection for marine engines.
Features
- Full synthetic 10W-30 oil formulated for 4-stroke marine engines
- Exceeds NMMA FC-W requirements for marine engine protection
- Fast lubrication at startup in low temperatures
- Strong high-temperature protection for demanding operation
- NMMA FC-W certified and API-SL rated for trusted performance
- Recommended for use in both outboard and sterndrive applications
- Offers faster lubrication at start up in low temperatures
- Excellent protection at high temperatures
- Greater resistance to oxidation for lower oil consumption
- NMMA FC-W Certified/API-SL
- Premium quality for longer life






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