Genuine OEM Volkswagen B-Pillar Reinforcement, part number 11A809219A. This part provides structural support to the B-pillar, contributing to the vehicle's overall rigidity and occupant safety. It is located at position 18 in the diagram. Constructed from high-strength steel, this reinforcement is vital for the vehicle's structural integrity. The precise factory contour and bolt pattern of genuine OEM body panels ensure perfect integration into the vehicle's frame.