Genuine OEM Audi Door Hinge, part number 4S0831401A. This hinge allows the door to pivot open and closed, providing smooth and controlled movement. It is positioned on the front left side of the vehicle. Weighing approximately 0.3908 kg, this robust metal component ensures structural integrity and proper door alignment. Choosing genuine OEM ensures factory tolerance for vibration-free service life and exact bolt patterns for secure installation.