The Frigidaire 5304496284 Refrigerator Freezer Defrost Heater is a key component designed to help maintain the efficiency of your refrigerator and freezer by preventing ice buildup. It works by melting frost and ice that accumulates on the evaporator coils, ensuring proper airflow and temperature regulation. If your freezer is freezing up, this replacement part could restore functiona... https://www.hnkparts.com/5304496284-frigidaire-freezer-defrost-heater