The Ring Assembly is an OEM replacement part for GE microwaves. It is located at the perimeter of the microwave carousel tray, providing structure and support while rotating. Causes of a bad ring assembly can include cracking or splitting of the plastic over years of use, damage from impact with carousel edges, or loose fittings where the ring meets the turntable shaft. Symptoms of a bad ring assembly include: Wobbling or asymmetry of the carousel tray during rotation Grating or scraping sounds from below when in use Difficulty smoothly rotating the food for even cooking Cracks or breaks that compromise the integrity of tray support This OEM GE replacement ensures the continued balanced spinning of the microwave carousel.WB06X10775 (AP4411764) replaces 1473344, AH2353388, EA2353388, PS2353388.