Left.JAPAN BUILT. Right.JAPAN BUILT. w/o Plug-In. A bracket used to attach the blind spot detection warning sensor to its mounting point. Provides a noise and vibration damper to the Quarter Panel structure. Insulator. Blind Spot Detection System Warning Sensor Bracket. Insert. Outer wheelhouse. Patch, Side. Side plate. Trim. Trough cover. Included with: Quarter Panel, Rear body Panel.