Drivetrain & Differential Products for your 89-93 Dodge 5.9L Cummins

OC DIESEL offers a wide selection of Performance Drivetrain & Differential Products for your 89-93 Dodge 5.9L Cummins and for most diesel truck, motorhome, and RV owners. Experience the benefits of increased gear lubrication and engine performance with our Performance Differential selection. Whether your diesel is used for recreation, heavy towing, daily driving, drag racing, sled pulling, or mud bogging; the addition of an aftermarket differential can provide optimum fluid capacity, keeping gears lubricated and cool while making fluid service easier.