Replacement part numbers: DC47-00018A. It can control temperature changes and promote easier drying of clothes. The replacement part is made from metal,ensuring long lasting and effective. The part is located inside the dryer,so you will need to take the dryer apart to access it for repair.Before you begin this repair,be sure that the power source to your dryer is disconnected. Dryer cycling thermosta tresponds quickly to temperature changes,automatically adjusting to keep the dryer operating within a consistent and safe temperature ranges for optimal.