Defrost heater
Replaces 045329-01
Melts frost off the cooling coils. Heavy frost points here.
Thermostat
Replaces 68001088
Reads or limits temperature. A failed one can stop the heat or let it run too hot.
Run capacitor
Replaces 09100156
A motor that hums but won't start often needs a new capacitor.
Defrost timer
Replaces 68001115
A dead display or random faults can come from the control board.
Light switch
Replaces 68001324
Door, lid and control switches stop a cycle when they fail.
1Defrost heaterW11175809
2ThermostatWP1-81801-001
3Run capacitorWPW10662129
4Defrost timerWP3-81329Part numbers come from the Sears PartsDirect parts list for the Maytag CFU2046ARW (view the list), checked November 15, 2026. Amazon buttons open a search for the part number; we may earn a commission.
Where the model number is
Upright freezers: inside, on a side wall near the top. Chest freezers: on the back or on the side near the lid hinge.