The Eaton Spicer RS404 rear differential carrier is identified by part number RS404R463 or RS404 with a 4.63 gear ratio. The 4.63 ratio is a common heavy-duty truck rear axle ratio suited to applications where pulling power and lower road speeds are priorities. This unit is sold on an exchange basis through Pro Gear and Transmission, so a core charge will apply at the time of purchase. Core refunds are subject to manufacturer core policy upon return, delivery, and inspection of the original unit. Call us to confirm this ratio and carrier model fit your specific axle before ordering.

• Carrier Model: RS404 Gear Ratio: 4.63 Part Number: RS404R463 or RS404 4.63 Sale Type: Exchange (core charge applies)

This differential is sold on an 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 your original unit. The returned core is subject to the manufacturer core policy unless otherwise agreed to in writing. Contact Pro Gear and Transmission for details on the core return process and to request a shipping quote before ordering.