This OEM 40 watt appliance light bulb is used for some ranges, refrigerators, freezers, and microwaves. Simply locate the existing bulb, unscrew it from its socket, and replace with new light bulb. If the existing bulb is broken in the socket, disconnect the power to the refrigerator and use a pair of needle nose pliers to grip the intern...Read moreal fragments of the bulb to unscrew. Replace with the new bulb and reconnect the power to the refrigerator. These bulbs are sold individually and are a commonly replaced part; consider ordering a spare.