Microwave Oven Combo Ducts and Vents

This metal vent damper door closes off the exhaust duct when the fan is not running to stop outside air from entering the microwave unit, and opens when the fan turns on to allow air to vent away from the microwave. This vent damper door measures approximately 10 inches long x 3 inches wide and fits LG microwaves.

This bracket holds the metal or plastic flapper that closes off the exhaust duct when the fan is not running and opens when the fan turns on. If the exhaust fan on your microwave does not appear to be working, the problem may be with the damper assembly. If the damper does not open and close easily, check for any damage to the bracket, and replace if it is damaged or faulty. This genuine OEM exhau...

This assembly includes the damper door and frame.

Add a modern touch to your appliance with this stainless steel vent. It provides efficient airflow while resisting corrosion and maintaining a polished, professional look over time.

This is an OEM vent damper, which works with microwaves.

This oven vent allows heat and moisture to escape safely during cooking, supporting proper airflow and temperature regulation. It helps protect surrounding components and ensures consistent performance. Replacing a damaged vent supports safe operation and efficient heat management.