Genuine OEM Volkswagen Exhaust Temperature Sensor, part number 059906088AD. This sensor monitors exhaust gas temperature, providing critical data to the engine control unit for optimal performance and emissions management. It is typically located in the exhaust system before or after the catalytic converter. The sensor is constructed from durable materials to withstand high exhaust temperatures. Genuine OEM sensors ensure precise readings and long-term reliability, crucial for maintaining engine efficiency and meeting emissions standards.