Defrost heater
Melts frost off the cooling coils. Frost buildup and a warm fridge point here.
Roller assembly, left
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Door gasket
A gasket that doesn't seal lets warm air in and frost build up.
Light bulb
Replaces 241555401
The light bulb this model takes.
Roller assembly, right
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Roller
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Crisper drawer - refrigerator storage component by frigidaire
Crisper drawers, shelves and door bins made for this fridge.
Galaxy refrigerator door shelf rail
Crisper drawers, shelves and door bins made for this fridge.
Drawer hanger, right
Crisper drawers, shelves and door bins made for this fridge.
Drawer hanger, left
Crisper drawers, shelves and door bins made for this fridge.
1Defrost heater242044008
2Roller assembly241889002
3Door gasket242193212
4Light bulb316538904Part numbers come from the Sears PartsDirect parts list for the Frigidaire FFTR1820SW4A (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.