Whirlpool Original Bimetal Defrost Thermostat – Refrigerator Bio Metal Sensor with Wire Harness | Part No. W10746139

Genuine-spec Whirlpool bimetal defrost thermostat (sensor) for refrigerator evaporator coils, part number W10746139. Clips directly onto the evaporator to monitor coil temperature and cut power to the defrost heater once the set temperature is reached, then resets automatically as the coil cools. Comes with a pre-attached yellow/black wire lead and connector for direct harness plug-in. Replaces a refrigerator that won't defrost, over-frosts, or runs the defrost heater continuously.