Whirlpool Microwave Glass Turntable Plate / Tray 14 1/8" 4313640 This microwave plate ONLY fits the Whirlpool models listed below. If you are unsure about compatibility please email us with your model number BEFORE ORDERING. Glass turntable plate / tray for Whirlpool microwave Ovens Measures approximately 14 1/8 inches in overall diameter. Outside diameter of turntable track is 9 3/4 inches. This microwave tray replaces Whirlpoo part #'s : 4313640