The Grill Vent (STL) is an OEM part for Whirlpool microwaves. This vent grille covers the exhaust outlet of the microwave, allowing proper ventilation while protecting internal components from debris. It plays a vital role in ensuring that the microwave operates efficiently by managing airflow and preventing overheating. Causes of a bad grill vent include build-up of grease and food particles, physical damage from cleaning or mishandling, and wear from exposure to high heat. Symptoms of a bad grill vent include: Visible cracks or breaks in the grille Reduced ventilation or airflow issues Unusual noises during microwave operation Overheating or poor performance This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.W10245216 (AP4419835) replaces 1482736, AH2350382, EA2350382, PS2350382.