EMP 35-57801 MerCruiser Oil Filter This EMP oil filter is designed as an aftermarket replacement MerCruiser Engine Part. The strong metal base plates and end caps provide excellent corrosion resistance in marine environments. A high effieciency glass media helps trap dirt and other contaminants to provide a cleaner and longer service life. 1316 x 16NPT Thread EMP Oil Filter Application For 1963 later MerCruiser, OMC, Volvo, Crusader, other GM Sterndriveinboard engines Replaces Mercury 866340Q0