The Light Bulb Socket is an OEM part for GE microwaves. It holds the light bulb securely in place within the microwave, ensuring proper illumination of the interior when the door is opened or the microwave is in operation. Causes of a bad light bulb socket can include wear and tear over time, exposure to high heat, electrical faults, or damage from replacing the bulb improperly. Symptoms of a bad light bulb socket include: The interior light not turning on when the microwave is in use Flickering or intermittent lighting Difficulty securing the light bulb in the socket Visible damage or discoloration to the socket This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.WB08X10016 (AP3669152) replaces 769460, AH230544, EA230544, PS230544, WB08X0310, WB08X10011, WB08X10017, WB8X10011, WB8X10016, WB8X10017, WB8X310.