25W-40 S/D ENGINE OIL - MERCURY

Sierra Mercury 25W-40 FC-W 4-Stroke Marine Sterndrive Engine Oil is formulated to provide lubrication and corrosion protection from high load and high stress sterndrive engines. It features detergency, anti-oxidants, antiwear and corrosion protection. It has low operating temperatures and is NMMA FC-W certified. Available in 1 and 5 quart bottles and 55 gallon drums.