Genuine OEM Audi Rear Left Seat Belt Buckle, part number 4N0857739AMNB. This essential safety component is designed to securely fasten the seat belt latch plate, providing crucial occupant restraint in the event of a collision. It is positioned on the rear left side of the vehicle's seating. The buckle is finished in Soul Black (MNB) and weighs approximately 0.323 kg. Choosing a genuine OEM seat belt buckle ensures precise fitment, reliable locking mechanism, and adherence to stringent safety standards for optimal protection.