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The Goodman B1392139 View Port Bushing is a genuine OEM fitting for the VCSS961005CNAA gas furnace. It seals the burner sight-glass (view port) opening, allowing safe visual inspection of the flame while maintaining the sealed integrity of the combustion chamber. A cracked or missing bushing can let air infiltrate the burner area and disturb combustion.
The OEM Goodman B1392139 is molded from heat-rated material sized to the factory view-port hole, preserving the combustion seal. Generic grommets may not tolerate the temperatures near the burner or may fit loosely, compromising the seal. OEM ensures a safe, lasting fit.
Very Easy (1/5). Remove the old bushing from the view-port opening and press the new one into place until seated. No tools required — under 5 minutes.
Always disconnect power and allow the furnace to cool before inspecting or servicing the burner area.