Mercury 10W-40 Four-Stroke Mineral Base Marine Engine Oil is formulated to protect outboards, sterndrives, and inboards against corrosion and excessive wear. This SAE 10W-40 oil features a specialized marine additive package designed to withstand the heat and stress of high-RPM operation. It exceeds NMMA FC-W and FC-W Catalyst Compatible requirements, ensuring your warranty remains protected.
- Mineral base oil with a specialized marine additive package
- Formulated to protect against corrosion and high-RPM wear
- Exceeds NMMA FC-W and FC-W Catalyst Compatible specifications
- Maintains viscosity and protects against varnish and sludge
- Convenient 32 oz. (1 Quart) bottle
