Headlamp assy grommet. Left.2012-15. Right.2012-15. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Grille Molding. Bumper Cover Reinforcement Nut. Cowl Cover Nut. Grille Grommet. Headlight Adjusting Nut. Headlight Fastener Clip. Headlight Grommet. Nut that secures the Grille. Nut to secure Bumper Cover. Nut used to mount Headlight.