This buy it now listing is for one (1) new, Complete Differential Carrier Assembly complete with spider gears for the MB and GPW military jeeps. The part number is A-788.  We had a bunch of NOS axles that we disassembled, and parted out to sell. They are unused, and covered in preservative.  We will pack them carefully to avoid any damage during shipping.  A GREAT, high quality USA made item for your jeep restoration.  Buy with complete confidence. Thanks for your business.