Genuine OEM Audi Front Upper Door Hinge, part number 80A831404B. This component connects the door to the vehicle body, allowing it to pivot open and closed smoothly. It is positioned on the front, upper right side of the door assembly. Weighing 0.227 kg, this hinge is precisely engineered for durability. Choosing a genuine OEM hinge ensures exact bolt patterns, factory tolerances, and robust construction for long-lasting, reliable door operation and safety.