Genuine OEM Audi Crankshaft Position Sensor, part number 045957147C. This sensor monitors the crankshaft's rotational position, providing crucial data to the engine control unit for ignition timing and fuel injection. It is typically located near the crankshaft or flywheel. Weighing 0.098 kg with a length of 0.35 m, this sensor is built to exact factory specifications. Using a genuine OEM sensor ensures accurate signal characteristics and reliable engine performance, preventing potential misfires or starting issues.