AUXILIARY. Bracket nut. Left.5.0 LITER. Right.5.0 LITER. A Nut used to retain the Fender Filler Panel to it's mounting point. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Glow Plug Control Module. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Intercooler. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Radiator Support Side Panel. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Trans Oil Cooler Line. HVAC Blower Motor Cover Nut. Nut to secure bumper Cover. Radiator Mount Nut. Radiator Support Air Deflector Nut. Spare Tire Hoist Nut.