Genuine OEM Volkswagen Exhaust Temperature Sensor, part number 070906088AC. This sensor measures exhaust gas temperature, providing critical data to the engine control unit for optimal performance and emissions control. It is typically installed in the exhaust system before or after the catalytic converter. The sensor features a durable construction designed to withstand high exhaust temperatures. Genuine OEM sensors offer precise calibration and signal integrity, ensuring accurate readings for reliable engine management.