2007 Meritor/Rockwell Other, Truck Delivery, Rear Rears (Tandem Rear or Single), Fits to: Pierce Custom Contender, (Used) 2007 Pierce Custom Contender, COMPLETE DIFFERENTIAL GEARS ONLY- Serial Number: DRA36721122, Make: Meritor/Rockwell, Model: A3121P2122, Ratio: 6.33, Capacity: 24,000 Lbs, Hub Bolts: 10, Brake Type: Drum, 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 6.33, Serial# DRA36721122, Casting# DRA36721122 4P1CC01A17A007174