G.e. dryer heater assembly
Heats the air. Clothes still damp after a full timed cycle usually point here.
Thermistor
Controls the heat. A dryer that runs too hot or won't heat points here.
Drum glide bearing, upper
Replaces WE3M52
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Door switch
Door, lid and control switches stop a cycle when they fail.
Heating element control thermistor
Heats the air. Clothes still damp after a full timed cycle usually point here.
Idler pulley
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Drying rack
The drying rack made for this dryer, for shoes and sweaters that can't tumble.
1Heater assemblyWE11X21156
2ThermistorWE4M448
3Glide bearingWE03X37320
4Door switchWE04X28977Part numbers come from the Sears PartsDirect parts list for the GE PTD90EBPT1DG (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 door opening, on the frame or the back of the door. Older models: on the back panel near the cord.