Sierra International 18-7812 Marine Fuel Pump Kit for Mercury/Mariner Outboard Motor Sierra Fuel Pump Kit Contains O-Rings 18-7411 and 18-7120 Sierra part number: 18-7812 Interchangeable with the following: GLM 40360, Mallory 9-37751, Mercury 89031A2, 66599A2 Fit specific, check part numbers to ensure proper fit