This Mercury Quicksilver Motor Oil is 25W-40 and is approved for all four stroke outboard motors.

Old Part Number: 8M0078627

Marine engines operate in a harsh, corrosive environment that demands specialized protection you can't find in an automotive oil. Keep your engine operating at its peak with Mercury SAE 25W-40 4-Stroke Marine Engine Oil. In addition to superior strength and viscosity retention, it features a specialized additive package that helps prevent corrosion, on and off the water. This oil is recommended for use in all 4-stroke outboard, sterndrive and inboard engines, where 25W-40 is called for. It exceeds all marine industry requirements for 4-stroke oil and is certified FC-W and FC-W Catalyst Compatible.

• For use in Mercury, MerCruiser and other leading brands of four-stroke outboard, sterndrive and inboard marine engines

• Provides outstanding wear and corrosion protection to help extend engine life

• Industry-leading strength and viscosity retention

• Exceeds all marine engine manufacturer warranty requirements and recommendations and is certified FC-W and FC-W Catalyst Compatible

• Produced by Mercury Marine to our stringent original equipment manufacturer specifications

• Mercury oils, lubricants and engine care products are backed by decades of experience in engineering, testing and manufacturing to provide the best protection and performance.