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The Goodman B1392139 View Port Bushing is a genuine OEM grommet that seals the flame-viewing (sight) port on the AMH80604BXBB furnace and compatible Goodman/Amana models. It lets a technician observe the burner flame while maintaining the airtight integrity of the combustion chamber and preventing air leakage that could disrupt the flame or trip safety controls.
The genuine OEM B1392139 is molded to the exact port diameter for a snug, heat-tolerant seal. Ill-fitting generic grommets can fall out or leak combustion air, degrading flame quality. For a low-cost sealing part, OEM is the safe choice.
Easy (1/5) — Press the old bushing out and snap the new one into the port opening. No tools needed; a 2-minute replacement.