Noise filter
Filters clog with use. The manual lists how often to change it.
Fuse
Reads or limits temperature. A failed one can stop the heat or let it run too hot.
High-voltage capacitor
A motor that hums but won't start often needs a new capacitor.
Lamp
The light bulb this model takes.
Humidity sensor
Reads or limits temperature. A failed one can stop the heat or let it run too hot.
Tray
Racks, shelves and bins made to fit this model.
1Noise filterWB27X11140
2FuseWB24X21303
3CapacitorWB24X21272
4LampWB25X21309Part numbers come from the Sears PartsDirect parts list for the GE PEM31EF1ES (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
Open the door: the label is on the frame. Over-the-range models: sometimes behind the vent grille.