This is a very common Simpson cooktop dress ring. Oven part 0545001908, Suits a large range of Simpson ovens, we suggest you measure your oven to ensure this will suit. The ring is 162mm over all and has a step to go into the oven top of 142mm
This is a genuine Electrolux replacement part. All Electrolux Spare parts come with a 12 month manufacturers warranty.
Electrolux are the owners of the AEG, Westinghouse, Chef, Simpson, Kelvinator and Dishlex Brands. There is often crossover between parts for all these brands.