Genuine OEM Audi Lower Door Hinge Half, part number 9J1831401. This essential component forms the lower pivot point for the front left door, enabling smooth and controlled opening and closing. It is a robust metal part, engineered for high strength and durability. Weighing approximately 0.102 kg, this hinge half ensures precise door alignment and secure closure. Using a genuine OEM door hinge half guarantees the exact fitment, load-bearing capacity, and corrosion resistance required for safe and reliable door operation over time.