Quicksilver 5W-30 Full Synthetic 4-Stroke Marine Engine Oil is engineered to outperform automotive oils in marine environments. This advanced formula features a specialized additive package that maintains viscosity and protects against varnish and sludge, exceeding the rust protection requirements for NMMA certification.
- For use in all 4-stroke outboard, sterndrive, and inboard marine engines
- Provides outstanding wear and corrosion protection
- Resists thermal breakdown under high-heat and high-rpm conditions
- Meets or exceeds FC-W marine engine oil warranty requirements
- 1 Gallon bottle