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The Goodman B1392139 View Port Bushing is a genuine OEM component engineered for the Goodman/Amana ADVC81005CXAA gas furnace. This bushing seats into the burner compartment sight-glass opening, providing a clean, heat-resistant grommet that lets a technician safely observe the flame during startup and combustion checks while maintaining the integrity of the furnace vestibule panel.
This is a factory-original Goodman part built to the exact dimensional and thermal tolerances of the furnace vestibule. Generic bushings often fit loosely, degrade under repeated heat cycling, or fail to seal the inspection port — allowing air leakage that can affect combustion readings. Choosing OEM guarantees a snug, lasting seal and preserves your equipment warranty.
Easy (1/5). The bushing presses into the existing view-port opening by hand — no tools or wiring required. Ensure the furnace is powered off before servicing. Most homeowners and technicians complete this replacement in under two minutes.
Compatible with Goodman and Amana furnaces using the ADVC81005CXAA platform. If you are unsure of fitment, verify your model and serial plate before ordering.