Description
Sierra 18-9554-4 15W-40 Multi-Vehicle Oil, 5 Qt. is a premium heavy-duty marine lubricant specifically engineered for the high-demand inboard marine market, including cruisers, towboats, and ski boats. Formulated with advanced base stocks and robust additive technology, it delivers stable viscosity and optimal internal protection under continuous, high-stress operating conditions.
Key Specifications & Standards
- Industry Certifications: Meets API CK-4 service classifications for modern diesel engines and fulfills API SM performance requirements for gasoline applications.
- Fuel Compatibility:
Fully suitable for operations utilizing fuels of any sulfur level.
- Critical Restriction: Not for use in gasoline engines equipped with catalytic converters, as the specialized additives can damage emission control hardware.
- Cross-Reference & OEM Equivalency: This formula directly replaces industry-standard lubricants such as Shell Rotella T4, Delo 400, MerCruiser, Volvo Penta, Indmar, Pleasurecraft, Crusader, and MasterCraft factory oils.
Specifications
- California Residents:
- WARNING Cancer or Reproductive Harm — www.P65Warnings.ca.gov
