Fuse
Replaces 5304488359
Reads or limits temperature. A failed one can stop the heat or let it run too hot.
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.
Thermostat
Replaces 5304464093
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.
Microwave/hood switch
Replaces 5304464097
Door, lid and control switches stop a cycle when they fail.
1Fuse5304509451
2Door switch5304509459Part numbers come from the Sears PartsDirect parts list for the Frigidaire CPBM3077RFA (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.