2007 Meritor/Rockwell RS21-230, Truck Delivery, Rear Rears (Tandem Rear or Single), Fits to: Sterling SC8000 Cargo, (Used) 2007 Sterling SC8000 Cargo, DIFFERENTIAL GEARS ONLY- Part Number: S11-16258-538, Serial Number: DRA06071316, Make: Meritor, Model: RS21-230, Ratio: 5.38, Capacity: 21,000 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 5.38, Serial# DRA06071316, Casting# DRA06071316 49HAADBV77DX56539