Defrost heater
Melts frost off the cooling coils. Heavy frost points here.
Door gasket
Replaces 216522311
Leaks, a torn edge or a door that won't seal mean it's time for a new one.
Ice maker
Replaces IM501
No ice, or ice that won't drop, points to the ice maker.
Defrost timer
Replaces 216744500
A dead display or random faults can come from the control board.
Evaporator fan motor
Replaces 297250000
A noisy or stopped fan means poor airflow and uneven temperatures.
Light bulb
Replaces 216988100
The light bulb this model takes.
1Defrost heater216730700
2Door gasket5304507206
3Ice makerIM116000
4Defrost timer5304518034Part numbers come from the Sears PartsDirect parts list for the Frigidaire PLFU1778ES7 (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
Upright freezers: inside, on a side wall near the top. Chest freezers: on the back or on the side near the lid hinge.