Genuine OEM Volkswagen Engine Control Unit (ECU) Otto, part number 06J906021C. This critical electronic control unit manages the engine's operations, including fuel injection, ignition timing, and emissions control, to ensure optimal performance and efficiency. It is a central component of the vehicle's engine management system. The unit weighs 0.905 kg, with dimensions of 0.205 m length, 0.182 m width, and 0.04 m height. Genuine OEM ECUs are manufactured to precise specifications, guaranteeing correct functionality and integration with your vehicle's systems.