Genuine OEM Citroen Diesel High Pressure Sensor, part number 9676643880. This critical sensor is responsible for precisely measuring the fuel pressure within the diesel fuel system, providing essential data to the engine control unit for optimal fuel delivery and combustion. It weighs approximately 0.07 kg and has a length of 0.04 meters. Choosing a genuine OEM sensor ensures accurate readings, correct signal characteristics, and seamless integration with the vehicle's electronic systems, which is vital for maintaining engine performance and preventing diagnostic issues.