The Mack CRD93 rear-rear differential with a 4.64 ratio is available from Pro Gear and Transmission under part number RBT-CRD93-4.64 or CRD93R464. Before ordering, have the following details ready: fine or coarse spline pinion, one tapered hole or two bolt holes for the upper torque rod, whether you have four bolts at the back of the differential housing for a transverse rod mount, and your axle shaft spline count. These specifics determine which configuration ships for your application. Call us to confirm proper fit before placing your order.

• Ratio: 4.64

This differential is sold on a core exchange basis. A core charge will apply at the time of purchase and may be refunded in whole or in part following delivery and inspection of the returned core. The returned unit is subject to the manufacturer's core acceptance policy unless otherwise agreed in writing. Contact Pro Gear and Transmission to discuss core details and to obtain a freight quote for your specific location.