Up for sale is a NOS DELCO/GM Electric Antenna Mount Nut Bezel, part # 22533826 in the original package. Purchased from the inventory of a closed up dealership, and it has been sitting on the shelf in the original package for all of these years. This is in excellent original condition, and you can't get any better than original OEM parts. According to my GM parts catalogs, this will fit the following: