Mercury SAE 10W-30 Full Synthetic 4-Stroke Marine Engine Oil is the toughest engine oil from the experts at Mercury. This advanced formula contains significantly more anti-wear additives and dispersants than standard synthetic blends, providing ultimate protection against corrosion and wear for non-catalyzed engines.
- For use in non-catalyzed four-stroke outboard, sterndrive and inboard engines
- Delivers the highest level of viscosity retention for ultimate protection
- Elevated ZDDP levels provide superior protection against corrosion and wear
- Compatible with mineral and synthetic blend 10W-30 formulas
- Protects against thermal breakdown in extreme operating conditions
