Mercury - Coupler-engine - 855469 Yamaha-F40A-2014 Its rugged outer housing shields

Its rugged outer housing shields the internal windings from corrosion and damage

• Supports Cooling Efficiency – Helps ensure consistent water circulation through the engine

• Wear-Resistant Construction – Built to handle continuous water movement and contact with internal components

Mercury Marine engineered this oil specifically for engines that face brutal heat

Mercury - Coupler-engine - 855469 Yamaha-F40A-2014 Its rugged outer housing shieldsThis product has been superseded by: 803610 Coupler engineWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.