Genuine OEM Volkswagen Exhaust Gas Temperature Sender, part number 057906088H. This sensor is designed to monitor the temperature of the exhaust gases, providing critical data to the engine control unit for optimal performance and emissions management. It is located within the exhaust system, as indicated by its position in the diagram. Manufactured to precise specifications for accurate temperature readings. Genuine OEM sensors are calibrated to ensure reliable data transmission, contributing to proper engine operation and longevity.