Filter
Replaces WR86X0096
Filters clog with use. The manual lists how often to change it.
Defrost heater
Melts frost off the cooling coils. Frost buildup and a warm fridge point here.
Temperature control thermostat
Replaces WR09X10110
Senses temperature so the fridge cycles on and off.
Door gasket
A gasket that doesn't seal lets warm air in and frost build up.
Door gasket
A gasket that doesn't seal lets warm air in and frost build up.
Evaporator fan blade
A stopped fan means warm sections and frost on the coils.
Evaporator fan motor
A stopped fan means warm sections and frost on the coils.
40a15/22
Replaces STD372402
The light bulb this model takes.
1FilterWR86X25269
2Defrost heaterWR51X10038
3ThermostatWR09X26874
4Door gasketWR24X10184Part numbers come from the Sears PartsDirect parts list for the GE GTS18IBRPRWW (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.