Genuine OEM Volkswagen B-Pillar Reinforcement, part number 2G4809443. Strengthens the B-pillar, a critical structural component that supports the roof and contributes to occupant safety in side impacts. This reinforcement is located on the B-pillar. Made from steel, it is vital for the vehicle's structural integrity and crash safety. Genuine OEM steel reinforcements provide the exact strength and form required for safety.