This Febi Bilstein Air Temperature Sensor is designed to accurately measure the ambient air temperature of your vehicle. When this sensor is not functioning correctly, it can lead to issues such as a Check Engine Light (CEL) illumination, failed emissions tests, and increased fuel consumption. Ensure your vehicle's performance and efficiency by replacing a faulty sensor with this OE quality part. Febi Bilstein is a trusted brand in the automotive industry, known for its commitment to quality and reliability. This sensor is designed for direct fitment and is manufactured to meet or exceed original equipment specifications. Always check compatibility with your specific vehicle before purchase. The part number for this sensor is 37476.