Sierra International 18-7274 Marine Fuel Pump for Mercruiser Stern Drive Sierra Lower Unit Seal Kit Meets or exceeds the original equipment quality Sierra part number: 18-2652 Interchangeable with the following: GLM 87510, Mallory 9-74304, Mercruiser 26-89238A1, 26-33144A1 and 26-33144A2 Fit specific, check part numbers to ensure proper fit