Genuine OEM Volkswagen Outside Mirror Adjuster Unit, part number 7E1857049. This component is responsible for the precise electrical adjustment of the exterior mirror glass, allowing the driver to set the optimal viewing angle for enhanced safety. Located within the mirror housing, it translates electrical signals into mechanical movement. Constructed from durable plastic, this unit weighs approximately 0.063 kg. Choosing a genuine OEM mirror adjuster unit ensures seamless integration with the vehicle's electrical system, accurate calibration, and reliable long-term operation, preventing common issues like erratic movement or complete failure.