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The Goodman B1392139 is a genuine OEM view port bushing (sight-window grommet) made for the Amana/Goodman AMVC80805CXAA gas furnace and compatible models. This small but important part seals the burner-compartment viewing port, letting technicians safely observe the flame while maintaining the integrity of the combustion enclosure. A missing, brittle, or melted bushing allows air leakage and unsafe viewing conditions — replacing it restores a proper seal and clear sight access.
The bushing must match the sheet-metal port diameter and withstand sustained combustion-chamber heat. The OEM B1392139 guarantees the correct outer diameter, snap fit, and temperature rating for the AMVC80805CXAA. Generic grommets may not seat tightly or may degrade at furnace temperatures, breaking the compartment seal. Choose OEM for a lasting fit.
Rated Easy (1/5). The bushing simply snaps into the sheet-metal port opening — no tools required in most cases. Cut power and gas before servicing, remove the old bushing, and press the new one firmly until it seats fully around the flange. A two-minute job for most homeowners.