Genuine OEM Jaguar Diesel Fuel Filter Sensor, part number C2D51033. This sensor is crucial for monitoring the condition and efficiency of the diesel fuel filter. It is typically located within or near the fuel filter housing. The sensor provides real-time data to the engine control unit, helping to detect water in fuel or filter clogging. Opting for a genuine OEM sensor ensures exact calibration and signal characteristics, which are vital for accurate readings and reliable engine operation.