Genuine OEM Volkswagen Exhaust Gas Temperature Sensor, part number 04L906088FB. This sensor plays a crucial role in engine management by monitoring the temperature of exhaust gases. This data is used by the engine control unit to optimize fuel injection and emissions control. It is installed directly into the exhaust system. Weighing approximately 0.09 kg, this sensor provides precise readings. Choosing a genuine OEM sensor ensures exact calibration and signal characteristics, which are vital for accurate engine operation and emissions compliance.