Lower Unit Gear Lube Pump Fit for Mercury Mercruiser MR R Alpha I Gen II Upper and Lower Units Outboards, with 18-2244 Drain Plug Screw and Gasket Kit

["Compatible Models: Fit for Mercury Mercruiser MR R Alpha Alpha I Gen II upper and lower units, Replace 816610A1, 816610A2, 10-F50109, F40109, 10-79953, 9-72650, 10-28634, 10-79953Q04, 10-79953Q2","Easy Manual Operation: Features a manual filling pump design, which can quickly inject gear oil into the lower unit gear box from the bottom, making the oil filling operation simple and convenient","Reliable Sealing Performance: Comes with matching drain plug screw and gasket to help maintain a proper seal and reduce the leakage","Durable Construction: Equipped with oil-resistant material hose and high-strength metal screw structure, suitable for harsh working environment","Gear Oil Replacement and Seal Repair: For lower unit gear oil replacement and sealing system repair of outboard motor/stern drive lower unit gear boxes"]