Whirlpool Microwave Electronic Control Board under part number W11325786.This genuine factory OEM component acts as the primary computational hub for your microwave. It interprets signals from the control panel and manages vital sub-systems including the heating assembly, timer, display illumination, and turntable motorDirect Replacement: It directly replaces legacy factory numbers W11289998 and AP6872126.primarily KitchenAid, but also select Whirlpool, Maytag, Jenn-Air, and Kenmore microwave/oven. I believe that it's used. If there is problems, send back and get refund.