View 1 Photo View 0 Videos Eaton RT46160 Rear Differential for a 2006 Western Star 4900EX Newly Listed $1,295 USD 23-160 USED TAKEOUT, 3.91 RATIO, LOCKER. WILL INSPECT IN OUR GEARSHOP, 90 DAY WARRANTY., Ratio: 3.91 ConditionUsedRear End3.91 ratioFits To Make(s)Western StarFits To Model(s)4900EXWill Fit Year(s)2006Stock Number52626-4 MLS Number14424586CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info