Thermostat
Replaces WR50X131
Senses temperature so the fridge cycles on and off.
Roller
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Water valve
Replaces WR57X110
Slow filling, no water or no ice can trace back to this valve.
Ice maker
Replaces WR30X318
No ice, or ice that won't drop, points to the ice maker.
Run capacitor
Replaces WR62X79
A motor that hums but won't start often needs a new capacitor.
Defrost timer
A dead display or random faults can come from the control board.
G.e. refrigerator condenser fan motor
A stopped fan means warm sections and frost on the coils.
Evaporator fan blade
A stopped fan means warm sections and frost on the coils.
40a15/22
Replaces STD372402
The light bulb this model takes.
1ThermostatWR50X10010
2RollerWR2X3594
3Water valveWR57X10033
4Ice makerWR30X10093Part numbers come from the Sears PartsDirect parts list for the Hotpoint CTX18CIXFRAD (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
Inside the fresh food section, on a side wall or the ceiling near the light. Some models: behind the kick plate at the bottom.