Replacement WP67006387 (67006387) Defrost Bi‑Metal Thermostat for Whirlpool Refrigerators and Freezers Restore reliable defrost performance and stop excessive frost buildup with this directfit replacement bi‑metal defrost thermostat compatible with Whirlpool part number 67006387 (WP67006387). Designed to sense evaporator temperature and control the defrost heater, this thermostat helps maintain proper cooling performance and prevents ice accumulation that can reduce efficiency and food safety. Key benefits Restores defrost function: Replaces a failed or intermittent thermostat to ensure the defrost heater activates only when needed, preventing ice buildup on the evaporator. Improves cooling efficiency: Proper defrost cycles reduce airflow restriction and improve overall refrigerator/freezer performance and energy use. Directfit compatibility: Made to match the original part number 67006387 (WP67006387) for straightforward replacement in compatible Whirlpool appliances. Durable, reliable operation: Bi‑metal sensing element provides consistent temperature response and long service life under normal operating conditions. Simple maintenance solution: A costeffective to avoid more extensive component failures and costly service calls. What it does (functionality) Temperatureactivated bi‑metal switch monitors the evaporator coil temperature. Closes the circuit to allow defrost heater operation when frost or ice requires melting. Opens the circuit to end defrost when the evaporator reaches the correct temperature, protecting components and conserving energy. Key attributes Model/part compatibility: Replacement for Whirlpool part number 67006387 (WP67006387). Type: Defrost bi‑metal thermostat (temperatureactivated switch used in defrost circuits). Design: Compact, appliancegrade construction intended for installation in the evaporator area of refrigerators and freezers. Performance: Provides consistent activation and deactivation of defrost heater based on evaporator temperature; designed to meet the original function of part 67006387. Connection and mounting: Designed to connect with original appliance wiring harness and mount in the defrost circuit location used by Whirlpool models that accept part 67006387. Use cases / applications a failed defrost thermostat in a Whirlpool refrigerator that is accumulating frost or ice on the evaporator coil, causing poor cooling in the fresh food or freezer compartment. an appliance that runs its defrost heater continuously or not at all, restoring proper defrost cycle control and preventing damage to the defrost system. Routine appliance maintenance when diagnostics indicate the defrost thermostat is out of specification, to restore original defrost timing and temperature control. Installation notes Intended as a direct replacement for Whirlpool part 67006387 (WP67006387); follow appliance service manual or wiring diagram for correct placement and connection. For safety, disconnect power to the appliance before beginning any . If you are not comfortable with appliance service, consult a qualified technician. Compatibility reminder This unit is intended to Whirlpool part number 67006387 (WP67006387). Verify part number compatibility with your refrigerator/freezer model before to ensure proper fit and function. Reliable replacement for restoring defrost control and maintaining refrigerator/freezer performance in appliances that require Whirlpool part 67006387.