The Thermostat is an OEM part for Whirlpool microwaves. It is a temperature-sensitive component that monitors heat levels inside the oven cavity during operation. Causes may include damage from exposure to moisture or debris over time that disrupts accurate readings. Symptoms of a faulty thermostat include: Incomplete or inconsistent heating with uneven hot/cold spots Food not reaching expected doneness after preset times Overheating errors or cycle interruptions This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.W11568584 (AP7175912) replaces W10389447.