Oem Volvo Penta SX OMC Cobra Drive Coupler 3858437 984290 986120 3853917 #. Good used drive coupler off a 2002 5.0 gxi low hour Austin Texas freshwater boat. This fits multiple applications please check your part numbers This is off an engine that had a freeze crack in the side of the block which is why the part is for sale. The splines and rubber are in great condition see photos.