Description
Sierra 5W-30 FC-W Semi Synthetic Catalyst Oil, 5 Qt is an ultra-high-performance 4-stroke marine engine oil formulated for non-turbocharged inboard engines equipped with catalytic converters.
Key Features & Specifications
- Catalyst Protection: Uses advanced ZDDP (Zinc Dialkyl Dithiophosphate) technology to prevent phosphorus depletion, extending the operational life of the marine catalytic converter.
- Industry Standards: Meets or exceeds FC-W Catalyst, FC-W, and API SM specifications for marine four-stroke gasoline engines.
- Engine Longevity: Features an enhanced detergent package to actively suspend contaminants and prevent harmful sludge buildup.
- High Shear Stability: Maintains its proper 5W-30 viscosity and resists thermal and oxidation breakdown under extreme operating temperatures and high-performance loads.
- Compatibility: Ideal for marine inboard engines requiring catalyst-compatible oils, such as those from Honda, Indmar, Ilmor, and PCM.
Specifications
- California Residents:
- WARNING Cancer or Reproductive Harm — www.P65Warnings.ca.gov
