Genuine OEM Volkswagen Engine Control Unit, part number 03L906018MC2KC. This control unit is essential for managing the complex operations of the diesel engine. It receives data from various sensors and controls fuel injection, ignition timing, and other critical functions to ensure optimal performance and emissions. The unit measures 205mm in length, 180mm in width, and 40mm in height, weighing 0.88 kg. Genuine OEM control units are manufactured to exact specifications, ensuring correct firmware and sensor calibration for reliable engine management.