Manufacturer Name: WHIRLPOOL Product Number: W10843943 OEM Part Number: W10843943 Product Description: Damper The Whirlpool W10843943 is an essential component of your Whirlpool microwave's exhaust system. It controls the airflow via the vent in the same way as a microwave vent damper. During operation, this damper opens and closes. When the microwave is turned on, the damper op... https://www.hnkparts.com/w10843943-whirlpool-damper