Genuine OEM Audi Front Left Seat Belt Buckle, part number 4M0857755DMNB. This essential safety component is designed to securely fasten the seat belt tongue, providing critical occupant restraint during travel or in the event of a collision. It is positioned on the front left seat, typically mounted to the seat frame. The buckle features a durable construction and is finished in MNB. Using a genuine OEM seat belt buckle ensures the correct locking mechanism, precise fitment, and adherence to stringent safety standards for reliable performance.