2001 Meritor/Rockwell RS23-160, Truck Delivery, Rear Rears (Tandem Rear or Single), Fits to: International 4900, (Used) 2001 International 4900, DIFFERENTIAL GEARS ONLY- Make: Meritor, Model: RS23-160, Ratio: 4.56, Capacity: 23,000 Lbs, Part Number: RS23160NFN1030456, Serial Number: AVA00262028, For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Ratio 4.56, Serial# AVA00262028, Truck Year 2001 1HTSDAAR31H382935