Left.2009-10. Reflector nut. Right.2009-10. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Tail Lamp Housing. Back Up Light Assembly Nut. Center High Mount Stop Light Nut. Door Molding Nut. Hood Scoop Nut. Part included in combo Lamp Assembly. Reflector Panel Nut. Tail Light Nut. Included with: Side Molding.