2006 Meritor/Rockwell RD23-164, Truck Delivery, Rear Rears (Tandem Rear or Single), Fits to: International 7500, (Used) 2006 International 7500, REAR DIFFERENTIAL GEARS ONLY- Part Number: 3523826C91, Make: Meritor, Model: RD23-164, Ratio: 6.14, Capacity: 23,000 Lbs, 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 6.14, Serial# TBD, Truck Year 2006 1HTWNAZT46J346878