SKU: 18-21751

Engine Coupler made by Sierra replaces OMC 3853962, 983902, and 986338, VOLVO 3853962-3.  For GM large crank diameter applications.  Fits OMC sterndrive, for 2.5L 1986, 3.0L 1986-1990, 4.3L 5.0L 5.7L 1986 with KW and KWB suffix only, 7.4L 1990-1998, 8.2L 1992-1993 and 1998.