The Halogen Lamp is an OEM part for Samsung microwaves. It is designed to illuminate the microwave’s interior, allowing you to easily monitor the cooking process. This lamp is essential for ensuring proper visibility when using the microwave. Causes of a bad halogen lamp can include filament burnout due to prolonged use, electrical surges, or damage from accidental impacts. Over time, the filament inside the halogen lamp can weaken and eventually break, rendering the lamp inoperative. Symptoms of a bad halogen lamp include: The microwave interior not lighting up when the door is opened or during operation Flickering light inside the microwave A burnt-out appearance or visible break in the lamp filament This OEM Samsung part is also compatible with some Kenmore models.4713-001165 (AP4051371) replaces 2029165, PS4132158.