RE963003 Hotpoint Microwave - Parts

This 40-Watt light bulb is sold individually. It is specially designed to withstand extreme temperatures, so this bulb is compatible with a variety of appliance types including refrigerators, ranges, microwaves, and dryers. It features a frosted glass bulb with a standard metal socket base, which allows you to easily unscrew the burnt-out light and twist the new bulb into place.

This part is used to generate microwave energy/heat.