Thermal fuse
Replaces 4393308
Reads or limits temperature. A failed one can stop the heat or let it run too hot.
Capacitor
Replaces 8169501
A motor that hums but won't start often needs a new capacitor.
Lamp
Replaces 8169418
The light bulb this model takes.
Primary switch
Replaces 4393697
Door, lid and control switches stop a cycle when they fail.
Metal rack
Replaces 4393849
Racks, shelves and bins made to fit this model.
1Thermal fuseW11707984
2CapacitorW10850446
3Lamp8204670
4Primary switchW10211972Part numbers come from the Sears PartsDirect parts list for the KitchenAid KHMS147HBT0 (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.