Housing lock nut. Left.1999-02. Right.1999-02. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Headlamp Housing. Headlight Grommet. Individual components included in lamp assembly. License Light Assembly Nut. Nut used to mount Headlight. Part included in Headlamp assembly. Part is included in Headlamp assembly. bulb fastener. Mounting. retainer clip. Lens and fastener. License Plate Light Assembly. Socket Grommet. Included with: Headlamp assembly.