Genuine OEM Audi Rear Upper Left Heat Shield, part number 420825645C. This protective component is designed to insulate and shield adjacent vehicle parts from the excessive heat generated by the exhaust system. It is positioned in the rear upper left section of the underbody. Weighing approximately 0.26 kg and measuring 0.465 m in length, this heat shield is constructed from a specialized heat-resistant material. Choosing a genuine OEM heat shield ensures precise contours, mounting points, and thermal insulation properties for effective heat management and protection of critical components.