2.0 LITER. Heat shield 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. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Floor Pan Splash Shield. Dash Panel insulator mounting Nut. Secures the Dash Panel insulator to the vehicle. Door Sill Plate Nut. Fender Liner Nut. Fuel Tank Shield Nut. Mud Flap Nut. Nut to secure bumper cover. Quarter Panel Splash Shield Nut.