Water filter
Makers suggest a new water filter about every six months.
Temperature sensor
Senses temperature so the fridge cycles on and off.
Roller assembly
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Water inlet valve
Replaces WR57X30891
Slow filling, no water or no ice can trace back to this valve.
Defrost bi-metal thermostat
Senses temperature so the fridge cycles on and off.
Ice maker
No ice, or ice that won't drop, points to the ice maker.
Run capacitor
Replaces WR55X23731
A motor that hums but won't start often needs a new capacitor.
Main control board
Replaces WR55X40526
A dead display or random faults can come from the control board.
1Water filterXWFE
2SensorWR55X10025
3Roller assemblyWR02X24943
4Inlet valveWR57X30890Part numbers come from the Sears PartsDirect parts list for the GE CWE19SP3NTD1 (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.