USDieselParts offers aftermarket 518 2wd and 4wd transmission accessories for your 1988 - 1993 Dodge 5.9L Cummins to help your transmission perform to its full potential and increase longevity. We carry deep sump transmission pans, torque converters, cooling fans, valve bodies and flex plates from leading manufacturers such as BD Power and ATS Diesel. If you have any questions or you don't see what you were looking for, then please call us at (800) 823-4444.