Whirlpool WP4387489 Refrigerator Defrost Thermostat

Whirlpool Genuine OEM WP4387489 Refrigerator Defrost Thermostat. This thermostat has a clip on the face. This part has a limit of 70°F and will run when the temperature drops to 12°F. The defrost thermostat is a safety device against overheating.

This part works with the following brands: Whirlpool, Roper, Admiral, Maytag, Hardwick, Jenn-Air, Estate, Magic Chef, Crosley, Inglis, Norge, Modern Maid, Amana, Kenmore, KitchenAid, Caloric & Ikea.

Possible Repair Solution For:
Frost buildup, fridge section is too warm, fridge section is too cold, freezer section is too warm, freezer section is too cold, leaking water.

Please Note: This is intended as a guideline only, as other items can cause the same symptoms.

This part is also known as a defrost bi-metal thermostat or defrost bimetal thermostat.