Genuine OEM Audi Front Lower Door Hinge, part number 80A831403A. This hinge is a critical component that enables the smooth and secure opening and closing of the front left door. It is positioned at the lower section of the front door frame. Constructed from robust metal, it is engineered for high strength and durability. Using a genuine OEM door hinge ensures precise alignment, proper door function, and long-term structural integrity, preventing issues like sagging or misalignment.