Whirlpool Microwave Glass Turntable Tray / Plate 11 1/4 " # 8171807 This microwave tray 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 11 1/4 inches in overall diameter. Outside diameter of turntable track is 9 1/4 inches. This microwave tray replaces Whirlpool part # ' s: 8171806, 8171807, 8204899