Genuine OEM Audi Rear Door Lock, part number 4K0839015S. This component is crucial for securely latching and locking the vehicle's rear door, contributing to both security and passenger safety. It is specifically designed for the left rear door. Weighing 1.109 kg, it is a robust assembly. Choosing a genuine OEM door lock ensures precise fitment, reliable operation, and integration with the vehicle's security system, maintaining factory safety standards.