Sierra 18-21752-1 Engine Coupler Replaces 3858437
Sierra 18-21752-1 Engine Coupler Replaces 3858437, Sierra 18-21752-1 Engine Coupler for OMC, VolvoFits: 4.3L (1986-1998); 5.0L (1986-1988, 1998); 5.7 (1986-1992, 1994, 1996-1998); Interchangeable with: Johnson/Evinrude Outboard; 3858437; 3853917; 984290; 986120; OMC Stern Drive; 984290; 986120; 3853917; 3858437; Volvo Penta; 3858437; 3858437-1; Alignment Video