Genuine OEM Volkswagen Control Unit, part number 04L997016. This control unit is essential for managing the complex operations of the diesel engine, ensuring optimal performance and efficiency. It is typically mounted within the engine bay. The unit has dimensions of 0.205m x 0.18m x 0.04m and weighs 0.824 kg. Genuine OEM control units are critical for ensuring correct software calibration and precise sensor integration, which is vital for engine management.