27 year old Chambers Oven, Chambers out of business, Whirlpool helped

The oven light gasket had deteriorated with time and bulb changes. It is a self cleaning oven, which gets very hot during the cleaning cycle. The oven is old (27years) and off the "books" I selected a similar, but slightly smaller gasket (3" OD), and "fit" it to the 3.5" light fixture of the older oven. The gasket material was similar to the original, and I used a usable portion of the original,along with the new gasket to build a gasket for the light lense. Several years prior to this repair, I replaced the oven door springs. Whirlpool, who had taken over what was left of Chambers, had the springs. I did replace one heating element about 15 years ago. The Chamber's salesman told me that the Chambers was the "Cadillac" of all ovens, and it seems to keep running.