Spark module
If the oven won't light, a weak igniter is the most common cause.
Bake element
Replaces W10774342
An element that won't heat, or shows a break or blister, needs replacing.
Safety thermostat
Reads or limits temperature. A failed one can stop the heat or let it run too hot.
Main top seal
Leaks, a torn edge or a door that won't seal mean it's time for a new one.
Door gasket
Replaces W10162385
Leaks, a torn edge or a door that won't seal mean it's time for a new one.
Surface burner base
Burners, caps and grates wear and crack with heat.
1Spark moduleWPW10475149
2Bake elementW10779716
3ThermostatWP3196548
4Main top sealW10675027Part numbers come from the Sears PartsDirect parts list for the KitchenAid KSDB900ESS1 (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.