The Hella Intake Air Temperature Sensor - 009109351 is a high-quality automotive sensor designed to measure the temperature of the air entering the engine. This sensor is essential for proper engine performance, as it provides crucial information to the engine control unit to adjust fuel and air mixture for optimal combustion. It is made by the reputable brand Hella, known for their reliable and durable automotive parts. The sensor is designed to be a direct replacement for the original equipment and is suitable for a wide range of vehicle makes and models. It is a crucial component for ensuring efficient engine operation and can help improve fuel efficiency and reduce emissions.