This BOSCH Crankshaft Position Sensor, part number 0 986 280 491, is designed to provide precise engine timing information. It accurately detects the rotational speed and position of the crankshaft, which is crucial for the engine control unit (ECU) to manage fuel injection and ignition timing. This ensures optimal engine performance, fuel efficiency, and smooth operation. Manufactured by BOSCH, a trusted name in automotive components, this sensor is built for durability and consistent performance.