Genuine OEM Volkswagen MAP Pressure Sensor, part number 038906051G. This critical sensor is responsible for accurately measuring the manifold absolute pressure within the engine's intake system. The data it provides is essential for the engine control unit (ECU) to calculate air density and adjust fuel delivery and ignition timing for optimal combustion. Weighing 0.038 kg, this sensor is designed for precise and reliable operation. Choosing a genuine OEM pressure sensor ensures accurate calibration, consistent signal output, and seamless integration with the vehicle's complex engine management system, preventing performance issues and diagnostic errors.