I don't know of any. I'll keep an eye out for one but here's the deal; There is no cross reference guide for those old thermostats. Here's the part numbers for four GE t-stats. They all work the same way as yours does but the difference , and what you need to watch for is the knob position, shaft length, and capillary length. These t-stats are the same style as yours:
WB21M254 - WB24X184 - WB21X5209 - WB21X5105