Genuine OEM Volkswagen Exhaust Gas Temperature Sensor, part number 04L919529D. This sensor is a vital component in the engine management system, precisely measuring the temperature of exhaust gases. It provides critical data to the ECU for optimizing fuel mixture, controlling emissions, and protecting catalytic converters from overheating. The sensor features a robust metal probe connected by a shielded wire to an electrical connector, with an overall length of approximately 0.465m. Choosing a genuine OEM sensor ensures accurate readings, correct signal characteristics, and seamless integration with the vehicle's complex electronic systems.