Sierra Synthetic Blend 25W-40 Catalyst-Compatible Marine Engine Oil This Sierra Synthetic Blend Engine Oil meets modern recreational 4-stroke engines with or without emission catalyst systems...
Sierra 25W-40 Conventional Engine Oil
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Sierra Marine 25W-40 4-Stroke Sterndrive Conventional Engine Oil
25W-40 4 STROKE MARINE STERN DRIVE ENGINE OIL has been formulated to provide excellent lubrication and corrosion protection. Stern drive and inboard engines operate under high load and running stresses. This product is developed for the marine environment and will out perform standard 4-Cycle automotive engine oils. Sierra 25W-40 oil offers excellent detergency, anti-oxidants, antiwear, and corrosion protection. The benefits to your engine are reduced wear to the internal components, protection of internal parts from corrosion, cleaner pistons, and prevention of ring sticking. Excellent low temperature operating properties. Recommended for Mercruiser and OMC.
- Reduced wear to the internal components
- Protection of internal parts from corrosion
- Cleaner pistons and prevention of ring sticking
- Excellent low temperature operating properties
- Meets or exceeds quality performance API SJ, CF-4, and CH-4
- NMMA FC-W Certified
- Mercury Marine
California Residents: WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
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