This an authentic OEM 40-Watt replacement light bulb, used in a number of household appliances. It is specially designed to withstand extreme temperatures, which is why these replacement bulbs are mos...
The hardest part was taking out original light bulb because screws on shield where hard to unscrew after all this years . The old bulb vent out leaving neck in socket. It took narrow electrical pliers to get neck out .The generic appliance bulb did not fit and had aluminum neck ,not recommended for brass sockets in ovens.Putting new light bulb in was not the problem.