THIS FUEL PUMP DIAPHRAGM IS FOR ALL METAL FUEL PUMPS THAT ARE USED ON KOHLER K91, K141, K161, K171, K181, K241, K301, K321, K341, K361, KT17, K19, K482, K532, K582, M8, M10, M12, M14, M16, M18, M20, MV16, MV18, MMV20
THE FUEL PUMP MOUNTING HOLES ARE 1 1/4" APART CENTER TO CENTEDIAPHRAGM IS 3 LAYERS, HAS FUEL PUMP RETURN SPRING & NEW FUEL PUMP GASKET