Genuine OEM Audi Crankshaft Position Sensor, part number 022957147A. This sensor monitors the rotational speed and precise position of the engine's crankshaft, providing critical data for engine timing, fuel injection, and ignition control. It is an integral component of the engine management system. Weighing approximately 0.079 kg, this sensor ensures accurate readings. Choosing a genuine OEM sensor guarantees exact calibration and signal characteristics for reliable engine performance and diagnostics.