Defrost heater
Melts frost off the cooling coils. Heavy frost points here.
Door hinge bearing
Replaces 216970800
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Door gasket
Replaces 216522309
Leaks, a torn edge or a door that won't seal mean it's time for a new one.
Defrost timer
Replaces 216744500
A dead display or random faults can come from the control board.
Motor
Replaces 216934100
A motor that hums but won't turn, or stops once it's warm, needs replacing.
Light bulb
Replaces 216846400
The light bulb this model takes.
Switch
Replaces 216998000
Door, lid and control switches stop a cycle when they fail.
1Defrost heater216730700
2Hinge bearing216970802
3Door gasket5304507200
4Defrost timer5304518034Part numbers come from the Sears PartsDirect parts list for the Frigidaire LFFU1765DW13 (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.