The Genuine VW / Audi Door Hinge Reinforcement - 11A809622 is a part designed to strengthen and support the door hinge on VW and Audi vehicles. It is a genuine OEM (original equipment manufacturer) product, meaning it is made by the same company that manufactured the vehicle. This reinforcement helps to prevent the door hinge from becoming loose or damaged, ensuring smooth and secure operation of the door. It is an essential component for maintaining the structural integrity and safety of the vehicle's doors.