Thermostat
Replaces DE47-20007A
Reads or limits temperature. A failed one can stop the heat or let it run too hot.
Fan blade
A noisy or stopped fan means poor airflow and uneven temperatures.
Magnetron
A motor that hums but won't turn, or stops once it's warm, needs replacing.
Door interlock switch
Door, lid and control switches stop a cycle when they fail.
Thermostat
Replaces DE47-20059A
Reads or limits temperature. A failed one can stop the heat or let it run too hot.
Door micro-switch
Door, lid and control switches stop a cycle when they fail.
Glass cooking tray
Racks, shelves and bins made to fit this model.
1ThermostatDE47-20007B
2Fan bladeDE31-90051A
3MagnetronWPW10126786
4Interlock switch3405-001034Part numbers come from the Sears PartsDirect parts list for the Maytag MMV5207BCS17 (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.