Genuine OEM Audi MAP Pressure Sensor, part number 038906051K. This essential sensor is responsible for measuring the manifold absolute pressure within the engine's intake system. It provides crucial data to the engine control unit (ECU) for calculating engine load, optimizing fuel delivery, and adjusting ignition timing. The sensor weighs approximately 0.044 kg and measures 0.062 meters in length. Choosing a genuine OEM MAP sensor ensures precise calibration and signal accuracy, which is vital for maintaining correct air-fuel ratios, preventing engine performance issues, and ensuring efficient operation.