Grease filter
Filters clog with use. The manual lists how often to change it.
Thermal cut-off
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.
Stirrer fan motor
A noisy or stopped fan means poor airflow and uneven temperatures.
Vent motor capacitor
A motor that hums but won't start often needs a new capacitor.
Monitor switch
Replaces WB24X0830
Door, lid and control switches stop a cycle when they fail.
Door interlock switch lever
Door, lid and control switches stop a cycle when they fail.
1Grease filterWB06X10288
2Thermal cut-offWB27X10195
3CapacitorWB27X10011
4Fan motorWB26X10037Part numbers come from the Sears PartsDirect parts list for the GE JVM1840BD002 (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.