Electric oven thermostats all function in the same way, a snap action switch actuated by gas pressure on a bellows disk. The only variations are in the mounting flange, the capillary tube length, and the shaft configuration.
If you can remove yours from your range, it's easy to take it to a local appliance repair shop for a suitable match. If not, take a photo of the switch housing, along with any identifying information on the housing, and measurements of the mounting holes, and capillary length.
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