The HELLA Camshaft Position Sensor, part number 6PU 009 168-421, is a critical component for modern engine management systems. It accurately detects the rotational position and speed of the camshaft, providing essential data to the engine control unit (ECU). This data allows the ECU to precisely control ignition timing, fuel injection, and valve operation, leading to improved fuel efficiency, reduced emissions, and smoother engine performance. The sensor is engineered to meet stringent quality standards, ensuring consistent and reliable readings under various operating conditions. Designed as a direct fit replacement, installation is straightforward. Trust HELLA for high-quality engine management components that keep your vehicle running efficiently and reliably.