Left.WAGON. Rail nut. Right.WAGON. A nut used to secure the rack and pinion heat shield to its mounting point. A nut used to secure the sound absorber to its mounting point. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the ABS Hydraulic Control Unit. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Exhaust System Hanger. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Steering Damper. Anti-Theft Alarm Siren Nut. Exhaust Flange Nut. Exhaust Muffler Nut. Horn Nut. Nut used to secure the luggage carrier side rail. Power Brake Booster Nut. Steering Column Nut. Windshield Wiper Arm Nut. Included with: Gear assembly.