The Eaton Spicer RS404 rear differential carrier, part number RS404R411, is a heavy-duty rear differential unit featuring a 4.11 gear ratio. This is a genuine Eaton Spicer differential carrier sold by Pro Gear and Transmission. The 4.11 ratio is a common specification for heavy-duty truck rear axle applications, suited to vocational and line-haul configurations where that final drive ratio is required. All differentials are sold on a core exchange basis. Core charges apply and may be refunded in whole or in part upon delivery and inspection of the returned core, subject to Eaton's core policy. Call us to confirm proper fit for your specific axle and truck before ordering.

• Gear Ratio: 4.11 Part Number: RS404 or RS404R411 Brand: Eaton Spicer Type: Rear Differential Carrier Sale Type: Core Exchange

All differentials are sold on a core exchange basis. Core charges will apply and may be refunded in whole or in part upon delivery and inspection of the returned core. The unit is subject to Eaton manufacturer core policy unless otherwise stated in writing. Contact Pro Gear and Transmission for a shipping quote prior to ordering.