The Genuine VW / Audi Door Hinge Reinforcement - 11A809623 is a metal component that reinforces the door hinge on VW and Audi vehicles. It is designed to provide additional strength and durability to the door hinge, ensuring that it can withstand frequent opening and closing without breaking or becoming loose. This product is specifically designed and manufactured by VW and Audi to fit their vehicles and meet their quality standards. It is an essential part for maintaining the structural integrity of the door and ensuring the safety of passengers.