The Thermostat is an OEM replacement part for Frigidaire dryers. It plays a crucial role in monitoring and regulating the temperature inside the tumbler. The thermostat works closely with the heating element and controls to accurately sense temperature fluctuations and modulate heating levels accordingly. Proper temperature control is essential for achieving dry clothes efficiently without damage. Symptoms of a bad thermostat include: Clothes taking an overly long time to dry The dryer is heating excessively and tripping the breaker Temperature display or heater lights not functioning Clothes drying unevenly, still damp in spots Causes can be normal wear over extreme heating and cooling cycles. Environmental contaminants may also impact sensor performance. This OEM Frigidaire part is also compatible with Electrolux, Gibson, Kelvinator and some Kenmore models.Part Number 137116700 (AP4457093) replaces 1531132, 7137116700, AH2367796, EA2367796, PS2367796.