Genuine OEM Volkswagen Control Unit for Petrol Engines, part number 03H906026AA3CN. This electronic control module manages critical engine functions, ensuring optimal performance and efficiency. It is located within the engine assembly. The unit weighs 0.892 kg and measures 0.205m x 0.18m x 0.04m. Genuine OEM parts are essential for control units as they guarantee correct firmware and sensor calibration, ensuring the module functions as designed by the manufacturer.