Defrost heater
Melts frost off the cooling coils. Frost buildup and a warm fridge point here.
Temperature sensor
Senses temperature so the fridge cycles on and off.
Evaporator fan blade
A stopped fan means warm sections and frost on the coils.
Light bulb
The light bulb this model takes.
Evaporator fan motor
A stopped fan means warm sections and frost on the coils.
Ikea refrigerator evaporator fan shaft washer
A stopped fan means warm sections and frost on the coils.
1Defrost heater5304522325
2Sensor5303918645
3Fan blade242219302
4Light bulb5304522314Part numbers come from the Sears PartsDirect parts list for the Frigidaire FFHT1820VW0 (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.