Genuine OEM Volkswagen B-Pillar Inner, part number 5H4809219F. This part forms the inner structural support for the B-pillar, contributing to the vehicle's rigidity and providing a mounting point for doors. It is located in the B-pillar assembly. Constructed from high-strength steel, this inner pillar is crucial for structural integrity. Genuine OEM parts ensure precise dimensions and material properties for safety and durability.