This Halogen Bulb is an OEM part for Bosch Ranges. It provides illumination for the range's interior. Continuous use or high temperatures can cause the bulb to burn out or fail. What Causes a Bad Halogen Bulb:  Repeated heating and cooling cycles, along with continuous use, can cause the halogen bulb to burn out or break. Symptoms of a Bad Halogen Bulb: The bulb is not lighting up Visible signs of damage or a broken filament Flickering or intermittent lighting This genuine OEM Bosch part is also compatible with Thermador, Gaggenau and select Kenmore models.00174136 (AP2802025) replaces 00157312, 00157313, 00607808, 1044100, 157312, 157313, 174136, 607808, AH3439704, EA3439704, PS3439704, PS8697627.