Defrost Timer Specifications this Is A 120 Volt Defrost Timer Manufactured For Refrigerators. The Defrost Timer Manages The Automatic Defrost Systemin The Unit. It Acts Like A Clock By Switching Between Activating The Cooling Cycle And The Defrost Heater To Maintain The Set Thermostat Temperature, Preventing The Unit From Being Too Warm Or Cold. The Defrost Timer May Need To Be Replaced If The Fridge Will Not Maintain Its Temperature Or Has Frost Buildup. Depending On The Model, It Could Be Located On The Rear Panel Or Ceiling Of The Fresh Food Compartment. Be Sure To Disconnect Power To The Refrigerator Before Replacing This Part. This Part Fixes The Following Symptoms: This Part Fixes The Following Symptoms: Too Warm | Frost Buildup | Won’T Start | Fridge Too Warmthis Part Works With The Following Products: This Part Works With The Following Products: Freezer, Refrigerator. This Part Works With The Following Products: This Part Works With The Following Products: Frigidaire, Kenmore, Gibson, Kelvinator. Part, 5304518034 Replaces These: Part, 5304518034 Replaces These: Ap6799886,00624727,00624729,00626218,00627159,00628515,00628516,00628517,08037960,08037967,216517400,216563000,216744400,216744500,297318010,5304516309,5308037967,F000127233,F000129880,F127233. . . Show More, F129880show LessCross Parts: 5304516309, F127233, 00624729, 08037967, 624729, F000127233, 216744500, F129880, 628516, 08037960, 00628515, F127233. . . Show More, Cc301, 297318010, F129880show Less, F000129880, 00626218, 00628516, Ap6799886, 5308037967, 216517400, 00624727, 00628517, 00627159, 216744400, 216563000, 628515