2016 GM/Chev (HD) 8 Bolt, Truck Delivery, Rear Rears (Tandem Rear or Single), Fits to: Chevrolet 4500/4500HD, Used 2016 Chevrolet 4500, REAR DIFFERENTIAL, Make: GM, Model: F0B3X, Part Number: 8980151530, Serial Number: Y1460998, For more information about this item, give us a call. We ship Worldwide! (CRG Heavy Truck Parts), Ratio N/A, Serial# Y1460998, Casting# Y1460998 54DCDW1B5GS810643