Whirlpool Microwave Roller Wheel / Turntable Support # 4359723 (THIS ROLLER ONLY WORKS IN CERTAIN MODELS. BEFORE ORDERING, PLEASE CHECK COMPATABILITY WITH YOUR MODEL BY LOCATING YOUR MODEL NUMBER IN THE LIST BELOW) Replacement roller wheels / turntable support for smaller Whirlpool microwave ovens. The roller wheel assembly sits underneath the microwave glass tray and is necessary for the turntable plate to turn. This turntable support replaces Whirlpool part # : 4359723