Left.CONVERTIBLE. Right.CONVERTIBLE. Splash shield retainer nut. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Floor Pan Heat Shield. Fender Liner Nut. Mud Guard Nut. Quarter Panel Splash Shield Nut. Radiator Support Splash Shield Nut. PLASTIC. Fender Liner. Floor Pan Heat. Mount bracket. Mud Guard. Quarter Panel. Radiator Support. Retainer. Under cover. Wheel Well Liner. Wheelhouse Liner.