The Pierburg Exhaust Temperature Sensor - 712196190 is a sensor that measures the temperature of exhaust gases in a vehicle's exhaust system. It is designed to accurately detect and monitor the temperature of the exhaust gases, which can help with engine performance and emissions control. This sensor is manufactured by Pierburg, a trusted brand in the automotive industry known for producing high-quality and reliable parts. It is compatible with a variety of vehicle makes and models and is an essential component for ensuring proper functioning of the exhaust system.