Genuine OEM Volkswagen Exhaust Gas Temperature Sender, part number 03L906088JD. This sensor is responsible for measuring the temperature of exhaust gases, feeding this information to the engine control module. It is typically fitted into the exhaust line. The sender has dimensions of 0.142m x 0.135m x 0.04m. Choosing a genuine OEM part ensures the sensor's accuracy and durability, which is crucial for maintaining optimal engine function and emissions control.