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The genuine OEM Goodman B1392139 view port bushing is the factory grommet that frames and seals the flame-inspection sight port on the Amana/Goodman AMVC961005DNAA gas furnace. It lets a technician safely observe the burner flame during a service check while keeping the combustion chamber sealed against air leaks. A cracked or missing bushing can allow air infiltration that affects flame quality and pressure-switch operation, so replacing it with the correct OEM part maintains a proper combustion seal.
Our OEM bushing is molded from heat-tolerant material sized to the furnace's port opening, ensuring a tight, lasting seal near the burner compartment. Generic rubber grommets may not withstand the heat or match the bore, risking a poor seal. The OEM part is the reliable choice for a combustion-area component.
Easy — DIY friendly. The bushing presses into the port opening in minutes. Always shut off gas and power before servicing the furnace. When in doubt, have a licensed HVAC technician verify the combustion seal.