Genuine OEM Jaguar Fuel Tank Level Sensor, part number C2S40439. This essential component is responsible for accurately measuring the amount of fuel remaining in the vehicle's fuel tank. It is typically located inside the fuel tank assembly. The sensor transmits precise fuel level data to the vehicle's instrument cluster, providing the driver with critical information. Choosing a genuine OEM sensor ensures exact calibration, reliable signal output, and resistance to fuel contaminants, preventing inaccurate readings and potential system errors.