This Support Ring is an OEM part for Frigidaire microwaves. This support ring is an integral component that sits beneath the microwave's turntable, providing stable and balanced support. It ensures the smooth rotation of the turntable, which is essential for even cooking and heating food.  The support ring can become worn or damaged due to regular use, leading to issues with the turntable's rotation. Common causes of deterioration include mechanical stress, uneven weight distribution from dishes, or accidental damage. Symptoms of a faulty support ring include: Unsteady or wobbly turntable movement. The turntable struggling to rotate or not rotating at all. Noises such as scraping or clicking when the microwave is in operation. Uneven cooking or heating of food, indicating a disruption in turntable motion. Visible cracks, breaks, or warping of the support ring. This Frigidaire OEM replacement part is also compatible with Electrolux, Gibson, Kelvinator, and some Kenmore models.5304509438 (AP6230593) replaces 5304464115, 4583635, PS12071281.