Ensure smooth performance with the Mercury SAE 90 High Performance Gear Lube and Pump kit 8M0222071. Formulated for marine, High Performance Gear Lube protects internal gearcase components from excessive wear, pitting and corrosion, even in the presence of water. The included Gear Lube Pump's tube features a threaded fitting that screws into any outboard or sterndrive with a 3/816 drain plug for less mess while filling the gearcase. For use in outboard gearcases / lower units, jet pumps, sport jets and sterndrives on engines 75hp and above.