View 5 Photos View 0 Videos Eaton RS404 Rear Differential for a 1999 Chevrolet C7500 $849.99 USD (USED) 1999 Chevrolet C7500 - TANDEM CUTOFF - Make: Eaton. Model: RS404. Ratio: 3.90. Hub Bolts: 10. Brake Type: Air. For more information about this item, give us a call. We ship... ConditionUsedRear End3.90 ratioFits To Make(s)ChevroletFits To Model(s)C7500Will Fit Year(s)1999Stock NumberP-25813 MLS Number10922030CategoryDifferentials, Rear Last Updated6/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info