View 0 Photos View 0 Videos 2001 Eaton RS404 Rear Differential for a Mack CX Newly Listed $585 USD (USED) Eaton RS404 Ratio: 3.55 Side Gear Splines: 41 W/ Locker: NO Cast#: 127603 ConditionUsedFits To Make(s)MackFits To Model(s)CXStock Number25988077 MLS Number14344152CategoryDifferentials, Rear Last Updated5/1/2026 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info