Fuse
Replaces 5304488359
Reads or limits temperature. A failed one can stop the heat or let it run too hot.
High-voltage capacitor
Replaces 5304491606
A motor that hums but won't start often needs a new capacitor.
Magnetron
Replaces 5304472445
A motor that hums but won't turn, or stops once it's warm, needs replacing.
Door switch
Replaces 5304464098
Door, lid and control switches stop a cycle when they fail.
Thermal cut-off
Replaces 5304464073
Reads or limits temperature. A failed one can stop the heat or let it run too hot.
Thermal cut-off
Replaces 5304464094
Reads or limits temperature. A failed one can stop the heat or let it run too hot.
Door interlock switch
Replaces 5304464099
Door, lid and control switches stop a cycle when they fail.
Latch body
Replaces 5304499580
Door, lid and control switches stop a cycle when they fail.
1Fuse5304509451
2Capacitor5304509478
3Magnetron5304519335
4Door switch5304509459Part numbers come from the Sears PartsDirect parts list for the Frigidaire FGMV175QBA (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.