Mercury SAE 25W-40 4-Stroke Marine Engine Oil is formulated specifically for the unique demands of the marine environment. Unlike automotive oils, it features a specialized additive package that provides industry-leading strength and superior corrosion protection. Certified FC-W and FC-W Catalyst Compatible, this oil is the ultimate choice for protecting your outboard or sterndrive during high-RPM operation.
- Formulated for Mercury, MerCruiser, and other leading 4-stroke marine engines
- Provides outstanding wear and corrosion protection on and off the water
- Industry-leading strength and viscosity retention
- Exceeds NMMA certification requirements for rust protection
- Certified FC-W and FC-W Catalyst Compatible
