The Igniter Sensor is an OEM part for LG dryers. This sensor plays a critical role in the ignition process, ensuring that the gas ignites properly to produce the heat necessary for drying clothes efficiently. It helps monitor and regulate the ignition temperature. Over time, the igniter sensor can become faulty due to regular use, exposure to high temperatures, or electrical issues. These factors can lead to a malfunction, resulting in the dryer not heating properly or failing to start. Symptoms of a bad igniter sensor include: Dryer not heating up Long drying times Dryer not starting Unusual smells or noises during operation This OEM LG part is also compatible with Sears/Kenmore.Part Number 6501EL3001A (AP4443773) replaces 1268234, 6501EL3001B, 6501EL9001A, AH3529181, EA3529181, PS3529181.