The Turntable Motor is an OEM replacement part for LG microwaves. Located under the microwave cavity, it rotates the special turntable platter during cooking operations.    Symptoms of a faulty turntable motor include: Turntable failing to spin or rotating unevenly during cooking   Abnormal noises or vibrations coming from the bottom of the unit Uneven cooking results along microwave perimeter  Causes related to normal wear of internal motor workings through extended use. Damage from power surges is also possible over time. This LG replacement part is compatible with some Kenmore models as well.This part fixes the following symptomsNoisyTray won't turn6549W1S013H (AP4440100) replaces 1352889, 6549W1S013D, AH3529216, EA3529216, PS3529216.