Broiler element
Replaces 4448701
No heat after a full cycle usually means a burned-out element.
Magnetron
A motor that hums but won't turn, or stops once it's warm, needs replacing.
Baseless lamp
Replaces 4375348
The light bulb this model takes.
Door interlock switch
Replaces 4375346
Door, lid and control switches stop a cycle when they fail.
1Broiler elementWPW10207400
2Magnetron4375072
3Baseless lampWPW10440740
4Interlock switchW10211972Part numbers come from the Sears PartsDirect parts list for the KitchenAid KEMS307DWH4 (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 oven door: the plate is on the frame or the side trim.