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The B1392139 is a genuine Goodman/Amana view-port bushing designed for the AMH80604BXBA gas furnace. This small but important component seals and frames the sight-glass opening on the burner compartment door, allowing safe visual inspection of the flame while maintaining the compartment's airtight integrity. A missing or damaged bushing can disrupt the pressure balance of the sealed combustion area and allow air leakage.
The OEM bushing is molded to the precise diameter of your furnace's view-port cutout for a snug, sealed fit. Generic grommets rarely match the exact opening and can fall out or fail to seal, compromising the sealed-combustion design. For this fitting, OEM ensures a proper fit.
Very Easy (1/5). Simply press the old bushing out and snap the new one into the view-port opening — no tools required. Disconnect power before opening the furnace cabinet.