Experiencing issues with your microwave's turntable not rotating? The microwave turntable motor DE31-10173A is a genuine Samsung part for your 2.0 or 1.8 cubic foot over-the-range microwave. If the glass tray inside your microwave isn't spinning, this motor might be the solution. A non-spinning tray can lead to uneven cooking and heating. Make sure to check your model number for compatibility before purchasing.