The CarQuest 11290A alternator is designed specifically for Ford F-250SD, 350SD, 450SD, and 550SD trucks made between 2008-2010. Manufactured by Carquest, this alternator is a reliable and high-quality part that ensures proper functionality of the vehicle's electrical system. With a focus on start-up, charging, and maintenance, this alternator is an essential component for keeping your car or truck running smoothly and efficiently.