Genuine OEM Volkswagen Exhaust Gas Temperature Sensor, part number 03L906529B. This sensor plays a crucial role in monitoring the temperature of exhaust gases, providing vital data to the engine control unit for emissions management and engine protection. It is typically threaded into the exhaust system, often before or after catalytic converters or diesel particulate filters. Weighing 0.032 kg with a length of 360mm, this sensor is built to withstand extreme exhaust temperatures. Using a genuine OEM sensor ensures precise calibration and signal characteristics, which are critical for accurate readings and proper functioning of the vehicle's emissions and engine management systems.