The Dryer Thermostat is an OEM part for Whirlpool dryers. It regulates the temperature inside the dryer, ensuring that it maintains the correct heat levels for safe and efficient drying cycles. You should replace this dryer thermostat if it becomes faulty. Common causes of a bad dryer thermostat include electrical failures, buildup of lint or debris causing overheating, and general wear and tear over time. Symptoms of a bad dryer thermostat include: Dryer overheating or not heating at all Extended drying times Dryer shutting off prematurely Error codes related to temperature control This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.Part Number WP8557403 (AP6013164) replaces 8557403, 1180102, PS11746386.