Genuine OEM Audi Front Left Door Upper Hinge, part number 1K0831401N. This robust hinge is designed to allow the front left door to pivot open and closed smoothly and securely, maintaining proper door alignment and function. It is constructed from durable metal, likely galvanized steel, to withstand repeated use and resist corrosion. Choosing a genuine OEM door hinge ensures precise fitment, correct load-bearing capacity, and long-term durability, which are essential for door safety and structural integrity.