View 2 Photos View 0 Videos Meritor-Rockwell Front Differential for a 2009 Western Star 4900 FA Newly Listed Contact for price (Used) 2009 Western Star 4900 FA, COMPLETE AXLE FRONT REARS- Part Number: 33063A7090A3.73, Make: Meritor/Rockwell, Model: RD20145NFN3572, Ratio: 3.73, Capacity: 20,000 Lbs, Hub Bolts: 10,... ConditionUsedRear End3.73 ratioFits To Make(s)Western StarFits To Model(s)4900 FAWill Fit Year(s)2009Stock NumberP-498121 MLS Number14158108CategoryDifferentials, Front Last Updated2/24/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info