GEAR LUBE PUMP WITH METRIC ADAPTOR Fits any outboard or sterndrive For use with 32oz. and 1 litre Gear Lube bottles. Fits any outboard or stern drive with a 3/8" - 16 drain plug. Use adapter for gear cases with a M8 x 1.25 drain plug. Fits the following outboards; Mercury, Mariner, Johnson/Evinrude, Yamaha, Suzuki, Honda, Tohatsu etc Fits the following Stern Drives; Mercury MerCruiser, OMC Stern Drive, Cobra, Volvo Penta, etc. Fits Speedmaster gear housings