Product Description
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.
Features:
- Minimizes corrosion that is formed inside the engine.
- Displays enhanced detergent properties to suspend and prevent engine sludge formation.
- Industry leading wear protection and deposit control.
- Prevents excessive thinning under extreme performance operations.
- Capitalizing on "ZDDP" anti-wear additive technology.
- Prevents phosphorous depletion and extends the emission catalyst life.
- NMMA FC-W Certified/API-SL
Interchangeable with:
- Mercury Marine
- 92-8M0078629
California Residents: 
WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
