Genuine OEM Audi Rear Right Seat Double Belt Buckle, part number 4N0857740MNB. This critical safety component is designed to securely fasten two seatbelt tongues for the rear right seating position. It is an integral part of the vehicle's passive safety system. Weighing approximately 0.58 kg, this buckle is manufactured to stringent safety specifications. Choosing genuine OEM ensures precise engagement, release mechanism reliability, and compliance with safety regulations.