The Whirlpool thermal cut off is an OEM replacement part responsible for ensuring the safe and controlled heating of various heating elements within dryers. This kit consists of a thermal cut-off fuse and a high-limit thermostat, which work together to safeguard the dryer from overheating. The Whirlpool thermal cut off can also be used on Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore/Sears brand appliances. This part fixes the following symptoms: The dryer not heating or generating insufficient heat Clothes taking an unusually long time to dry Overheating and excessive temperatures inside the dryer drum The dryer shutting off prematurely during the drying cycle Frequent tripping of circuit breakers or blown fuses when the dryer is in usePart Number 280148 (AP3874047) replaces 1175772, 280148VP, AH991443, EA991443, PS991443.