Genuine OEM Audi Upper Door Hinge, part number 8S0833407B. This left front door hinge is a critical component that enables the door to pivot smoothly and securely open and closed. It ensures proper door alignment with the vehicle body, preventing sagging and maintaining a tight seal against wind and water. Made from robust black metal, this hinge weighs 0.11 kg and measures approximately 52mm in length. Using genuine OEM hinges guarantees the correct load-bearing capacity, precise pivot points, and corrosion resistance, which are essential for the long-term functionality, safety, and structural integrity of the vehicle's doors.