This is a genuine Thermocouple used in a large range of newer Chef, Simpson and Westinghouse gas ovens.
Genuine part number 0541001236
The Thermocouple plugs into the earth and also attaches to the thermostat.
The Thermocouple is 1400mm in length
Electrolux are the owners of the AEG, Westinghouse, Chef, Simpson, Kelvinator and Dishlex Brands. There is often crossover between parts for all these brands.