Cummins 4939587 Engine Oil Pump 89-02 Dodge 5.9L Cummins. Fits: 1989 - 1993 Ram 5.9L Cummins; 1994 - 1998 Ram 5.9L Cummins; 1994 - 2002 Ram 5.9L Cummins; 1998.5 - 2002 Ram 5.9L 24-Valve Cummins.
