Brand new, genuine Mercury Marine/Mercruiser Lower Crankcase Oil Seal. This is a factory original equipment part, not aftermarket. Fits: Mercury/Mariner/Force 3.5, 1983-85 Mercury/Mariner/Force 3.6, 1980-82 Mercury/Mariner/Force 4 (1-Cyl.), 1982-86 Mercury/Mariner/Force 4 (40) (1-Cyl.), 1972-74 Mercury/Mariner/Force 4.5 (1-Cyl.), 1980-85 Mercury/Mariner/Force 7.5 (75), 1969-71 Mercury/Mariner/Force 9.8 (110), 1970-73 .