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The Goodman B1392139 View Port Bushing is a genuine OEM grommet/fitting for the AMVC800805CXAA 80% AFUE furnace. It seats in the burner-compartment sight port, providing a clean, sealed pass-through so technicians can safely observe flame ignition and burner operation while maintaining the integrity of the combustion enclosure.
Because this bushing sits adjacent to the combustion area, the OEM B1392139 is rated for the correct temperature and diameter. Substituting a hardware-store grommet risks poor fit or heat degradation. At this price point, genuine OEM is the obvious choice.
Very easy (1/5). Press the old bushing out and snap the replacement into the port opening — no tools required, under 5 minutes. Ensure it is fully seated so the port remains sealed.