Genuine OEM Audi Exhaust Gas Temperature Sensor, part number 03L906088DM. This critical sensor continuously monitors the temperature of the exhaust gases, providing essential data to the engine control unit. This information is vital for optimizing fuel injection, managing emissions, and protecting exhaust system components from overheating. With a length of approximately 0.795 meters, this genuine OEM sensor ensures precise temperature readings and correct signal characteristics, which are crucial for maintaining engine efficiency and compliance with emissions standards.