Genuine OEM Audi Door Lock Actuator, part number 6R0839039A. This drive unit is an essential component of the door locking system, responsible for electrically operating the latch mechanism to lock and unlock the door. It is typically located within the door panel, connected to the door lock assembly. Weighing 0.17 kg, this actuator is designed for precise and reliable operation. Choosing a genuine OEM actuator ensures correct electrical calibration, mechanical fitment, and long-term durability for consistent door security.