The Meritor RR20145R488 (also listed as RR20145 4.88) is a rear-rear locking differential carrying a 4.88 gear ratio. The locking differential provides positive traction engagement across both rear axle outputs, making it a direct fit for heavy-duty truck applications calling for this specific Meritor part number. Pro Gear and Transmission sells this unit on a core exchange basis, a core charge will apply and may be refunded in whole or in part following delivery and inspection of the returned core, subject to Meritor core policy. Call us to confirm proper fit for your axle configuration before ordering.

• Part Number: RR20145R488 or RR20145 4.88 Type: Rear-Rear Locking Differential Gear Ratio: 4.88 Brand: Meritor Sale Basis: Core Exchange

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 upon return, delivery, and inspection of the core unit. The returned core is subject to Meritor manufacturer core policy unless otherwise agreed in writing. Contact Pro Gear and Transmission for details on the core return process and to obtain a shipping quote before ordering.