inner. REGULAR CAB. STEP ASSEMBLY. A solid metal or plastic block with a threaded hole in the center which is used to secure the Door Insert 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 Cruise Control Distance Sensor. 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. Door Interior Trim Panel Nut. Fender Liner Nut. Hood Latch Striker Plate Nut. Nut securing the interior door handle. Nut that secures the grille. Radiator Support Splash Shield Clip. Radiator Support Splash Shield Nut. Included with: Bracket.