Genuine OEM Audi door hinge, part number 4E0831401A. This component is essential for maintaining the structural integrity and smooth operation of the door assembly. It is engineered to provide exact factory tolerances, ensuring the door closes securely and aligns perfectly with the body frame. Genuine OEM hinges are manufactured from high-strength materials to withstand repeated use and heavy loads, offering superior durability and corrosion resistance compared to aftermarket alternatives.