Thermistor
Reads or limits temperature. A failed one can stop the heat or let it run too hot.
Recirculation pump
Replaces W10747426
Water left behind after a cycle usually points to the pump.
Electronic control board
Replaces W10485960
No ice, or ice that won't drop, points to the ice maker.
Refrigeration appliance condenser fan motor
Replaces W10609117
A noisy or stopped fan means poor airflow and uneven temperatures.
Start relay
No ice, or ice that won't drop, points to the ice maker.
Light switch
Replaces 12466104
Door, lid and control switches stop a cycle when they fail.
1ThermistorWPW10511923
2PumpW11542867
3Control boardW11034363
4Fan motorW11613295Part numbers come from the Sears PartsDirect parts list for the Whirlpool GI15NDXZQ2 (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
Behind the lower front grille or on the back of the unit.