CREW CAB. Roof lamp assy nut. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Clearance Lamp Assembly. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Stone Guard. Center High Mount Stop Light Nut. Nut to secure bumper cover. Tail Light Nut. Wheel Arch Flare Nut. Wheel Arch Molding Nut. Arch Flare. Bumper Cover. Center High Mount Stop Light. Clearance Light Assembly. High Mount bulb. License Lamp retainer. Opening U -. Roof Lamp Assembly. Stone Guard. Tail Light.