Genuine OEM Volkswagen Head Airbag Unit, part number 7P6880742D. This head airbag unit deploys to protect occupants' heads in the event of a side-impact collision. It is located along the roofline of the vehicle. The unit weighs 1.557 kg and measures 1.05 m in length. Genuine OEM head airbags are crucial for side-impact safety, ensuring correct inflation and coverage area.