If you're looking for a reliable and affordable thermostat set for your 2008-2010 6.4 Powerstroke, look no further than the Ford 8C3Z-8575-D. This set is an exact replacement for your original thermostat, and it's backed by Ford's quality and durability. With this set, you can rest assured that your engine will stay at the optimal temperature, even in extreme conditions. Don't take chances with your engine's health - trust the experts at Ford to keep it running smoothly for years to come.