Defrost Thermostat Specifications this Refrigerator Defrost Thermostat Is A Genuine Oem Part And Is Sourced Directly From The Manufacturer. Located On The Back Wall Of The Freezer Section In The Refrigerator, The Defrost Thermostat Is Used To Regulate The Appliances Temperature To Keep The Refrigerator Cold And Constant. The Part Is Made Of Plastic, And Has A 4 Inch Terminal On The White Lead And A 6 Inch Terminal On The Red Lead. A Refrigerator Defrost Thermostat May Need To Be Replaced If The Appliance Is Experiencing Temperature Related Issues Such As: Too Cold, Too Warm, Frost Buildup, Not Running, Or Running Too Long. This Part Fixes The Following Symptoms: This Part Fixes The Following Symptoms: Too Warm | Fridge Too Warm | Frost Buildup | Doesn’T Stop Runningthis Part Works With The Following Products: This Part Works With The Following Products: Refrigerator, Freezer. This Part Works With The Following Products: This Part Works With The Following Products: Frigidaire, Kenmore, Gibson, Uni. Part, 297216600 Replaces These: Part, 297216600 Replaces These: Ap4374171,1483781,216731000,216872200,218673001,218673008,218969901,218969902,5304404743,5404404743,7216872200Cross Parts: Ah2350702, 218673001, 218673008, 7216872200, Ps2350702, 1483781, 5304404743, Ap4374171, 216872200, 216731000, Ea2350702, 218969902, 5404404743, 218969901