2 0 2001 Eaton RS404 Front Differential for a Western Star TR 4900 EX $999.99 USD Eaton RS404 Front Rear Differential 3.55 Ratio, From 2001 Western Star 4900 EX VIN 5CKEDDJHX1C100274 ConditionUsedFits To Make(s)WESTERN STAR TRFits To Model(s)4900 EXStock Number146930 MLS Number13665707CategoryDifferentials, Front Last Updated6/26/2025 LocationOwensboro, KY, US Sold ByWest Side Truck Parts (866) 828-___ SHOWNUMBERCall Seller Email Seller Save More Info