G.e. range bake element
An element that won't heat, or shows a break or blister, needs replacing.
Halogen element
Replaces WB30T10125
No heat after a full cycle usually means a burned-out element.
Temperature sensor
Replaces WB21T10007
Reads or limits temperature. A failed one can stop the heat or let it run too hot.
Light bulb
Replaces WX12X1510
The light bulb this model takes.
Surface element control switch
Door, lid and control switches stop a cycle when they fail.
1Bake elementWB44T10010
2Halogen elementWB30T10129
3SensorWB21X22134
4Light bulb40A15Part numbers come from the Sears PartsDirect parts list for the GE JB640DN1WW (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 or pull out the storage drawer: the plate is on the frame. Some models: behind the kick panel.