Fuse
Replaces W10138793
Reads or limits temperature. A failed one can stop the heat or let it run too hot.
Turntable motor
Replaces W10210848
A motor that hums but won't turn, or stops once it's warm, needs replacing.
Light bulb
Replaces W10208564
The light bulb this model takes.
Microwave/hood micro-switch
Replaces 8206347
Door, lid and control switches stop a cycle when they fail.
Microwave/hood switch
Replaces 8206345
Door, lid and control switches stop a cycle when they fail.
Microwave/hood switch
Replaces 8206352
Door, lid and control switches stop a cycle when they fail.
1FuseW11707984
2Turntable motorWPW10466420
3Light bulbW10709921
4Micro-switchW10269458Part numbers come from the Sears PartsDirect parts list for the KitchenAid YKHMS1850SW2 (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.