Thermador Microwave Glass Turntable Plate / Tray 14 1/8 in This microwave plate ONLY fits the Thermador models listed below. If you are unsure about compatibility please email us with your model number BEFORE ORDERING. Glass turntable plate / tray for Thermador microwave ovens. Measures approximately 14 1/8 inches in overall diameter. Outside diameter of turntable track is 9 1/4 inches. Thermador / Bosch part # 491157