The Damper is an OEM part for GE microwaves. This part controls the airflow within the microwave, allowing steam and hot air to be vented properly during cooking. The damper opens and closes to regulate the release of excess moisture and heat, ensuring optimal cooking performance and preventing overheating. Causes of a bad damper can include wear and tear from regular use, buildup of grease or food particles, or mechanical failure. Symptoms of a bad damper include: Excessive steam or heat buildup inside the microwave Unusual noises during operation The microwave overheating or shutting down unexpectedly Inconsistent cooking results This OEM GE part is also compatible with Hotpoint, RCA, and some Kenmore models.WB06X10565 (AP3792128) replaces 1085057, AH952387, EA952387, PS952387, WB06X10370, WB6X10370.