Inner rocker reinforcement. Left.Sedan/Wagon. PartQualifier: rear. Rear Left. rear. A bracket for a Rocker panel. A component to which the Floor Sill or related component is mounted to. Reinforcement structure used on the Rocker panel. Panel Bracket. Deform element. Filler plate. Floor Sill Bracket. Inner REINFORCED. Outer sctn. REINFORCEM. Section. Included with: Inner Rocker, Sill.