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The B1392139 view port bushing is a genuine OEM fitting for the Goodman/Amana AMS80604BXAA gas furnace. This small grommet seats in the burner-compartment sight port, providing a clean, sealed opening through which the flame can be safely observed during service. A brittle, melted, or missing bushing can allow air leakage around the inspection port and detracts from a proper factory seal. Replacing it restores a tidy, sealed view port during any furnace tune-up.
The OEM bushing matches the exact port diameter and retention flange, snapping securely into place. Generic grommets often fit loosely or won't tolerate the heat near the burner area. For a proper seal at pennies of difference, OEM is the obvious choice.
Easy (1/5). Press the old bushing out and snap the new one into the port opening by hand — no tools required. Under 5 minutes.