The Meritor Rockwell rear differential carrier, part number RR20145 or RR20145R411, is built around a 4.11 gear ratio and is designed for heavy-duty truck rear axle applications. This unit is sold on a core exchange basis - a core charge applies at time of purchase and may be refunded in whole or in part upon return and inspection of your core, subject to the manufacturer's core policy. Pro Gear and Transmission specializes in Meritor differentials and differential parts. Not sure this is the right carrier for your axle? Give us a call before ordering to confirm compatibility.

• Part Number: RR20145 or RR20145R411 Gear Ratio: 4.11 Type: Rear Differential Carrier Brand: Meritor Rockwell Sale Type: Core Exchange - core charge applies

All differentials are sold on a core exchange basis. A core charge will apply at time of purchase and may be refunded in whole or in part upon return and inspection of the core. The unit is subject to the manufacturer's core policy unless otherwise stated in writing. Contact Pro Gear and Transmission for a shipping quote and to confirm the correct application for your axle.