View 0 Photos View 0 Videos Eaton RD404 Rear Differential $1,700 USD Remanufactured Eaton RD404 locking rear, rear differential assembly. 6.17 ratio. 1 Year warranty for parts or Swap out for another unit. $500 For Labor. Towing not covered. ConditionRemanufacturedRear End6.17 ratioFits To Make(s)EATONFits To Model(s)RD404Stock NumberBP TRS RD404/6.17 MLS Number14050289CategoryDifferentials, Rear Last Updated3/14/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info