2006 Spicer/Dana 19060S, Truck Delivery, Rear Rears (Tandem Rear or Single), Fits to: Chevrolet C7500, (Used) 2006 Chevrolet C7500, DIFFERENTIAL GEARS ONLY- Part Number: 15014702557, Serial Number: HN01972464, Make: Spicer, Model: 19060S, Ratio: 5.57, Capacity: 19,000 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 5.57, Serial# HN01972464, Casting# HN01972464 1GBJ7C1C56F402424