Genuine OEM Audi Tailgate Drive Unit, part number 8R0827851B. This electromechanical component is responsible for operating the automatic opening and closing function of the vehicle's tailgate. It is specifically designed for installation on the left rear side of the vehicle. Weighing 2.247 kg, this unit measures 0.345m in length, 0.125m in width, and 0.065m in height. Choosing a genuine OEM tailgate drive unit ensures precise electronic control, correct mechanical integration, and long-term reliability for the automated tailgate system.