Genuine OEM Audi Exhaust Gas Temperature Sensor, part number 057906088G. This sensor is designed to monitor the temperature of the exhaust gases, providing essential data to the engine control unit for optimal engine operation and emissions system protection. It is typically installed on the left side of the exhaust system. Weighing approximately 0.094 kg, this sensor is engineered for precise temperature detection. Choosing a genuine OEM sensor ensures accurate calibration and reliable performance, which is crucial for preventing damage to exhaust components and maintaining efficient engine function.