27888. Spoiler nut. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Floor Pan Heat Shield. Bumper Face Bar Nut. Door Mirror Nut. Exterior Door Handle Nut. Fender Nut. Nut that holds the Door glass run channel to the Door frame. Nut to secure Bumper cover. Nut used to secure the luggage carrier side rail. Radiator Mount Nut. Spoiler Nut. Included with: Bumper assembly.