This BWD Automotive Sensor (PPS1164) is designed to fit the lower placement on your 2009 Silverado. It is an Accelerator Position Sensor and is made with PBT-GF50 material. The sensor is manufactured by BWD Automotive, a trusted brand in the industry. The installation process is made easier with its user-friendly features. This product is perfect for those in need of a replacement sensor for their vehicle. Purchase this top-quality BWD Automotive Sensor (PPS1164) now and experience its reliable performance.