The Magnetron is an OEM part for Whirlpool microwaves. This part generates the microwave energy necessary for cooking and heating food. Causes of a bad Magnetron can include normal wear and tear over time, power surges or electrical issues, or physical damage from impact or mishandling. Symptoms of a bad Magnetron include: The microwave not heating or cooking food properly Arcing or sparking inside the microwave cavity Strange noises or buzzing sounds during operation Burning smells or smoke coming from the microwave This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.This part fixes the following symptomsNo heatW10245183 (AP4412010) replaces 1489083, 423107844635, 4375072, 4393604, 8184306, 8186286, 8205650, 8205791, AH2352604, EA2352604, PS2352604.