(Used) 2006 Western Star 4900 FA, COMPLETE HUBS REAR REARS- Side: Passenger Side, Make: Meritor/Rockwell, Rear Model: RT40145NFN3530, Serial Number: AVA05219482, Custom Number: 33063N7035A3.21, Hub Bolts: 10, Brake Type: Disk, Capacity: 20,000Lbs, Ratio: 3.21, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921