The Genuine VW / Audi Door Hinge Reinforcement - 11A809624 is a metal component designed to strengthen and reinforce the door hinge on Volkswagen and Audi vehicles. It is a genuine OEM (original equipment manufacturer) part, meaning it is made by the same company that produces the vehicle. This door hinge reinforcement helps to prevent wear and tear on the hinge, ensuring that the door stays properly aligned and functions smoothly. It is a durable and reliable component that is specifically designed for VW and Audi models.