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The Goodman B1392139 View Port Bushing is a genuine OEM grommet for the burner-observation (sight) port on the AMSS960803BNAA gas furnace and related Goodman/Amana models. This bushing lines the viewing opening in the burner compartment cover, letting a technician safely watch the flame during startup while maintaining the cabinet seal. A cracked, hardened, or missing bushing can allow air infiltration that disturbs the burner flame pattern and pressure balance.
The OEM bushing is molded to the exact panel opening and rated for the temperatures near the burner compartment. Generic grommets may not be heat-rated and can shrink, harden, or fall out, breaking the cabinet seal. Because this bushing sits near the flame, using the genuine heat-resistant OEM part matters for safety and reliability.
Very Easy (1/5). Remove the burner-compartment door, pop the old bushing out of the view-port hole, and press the new one into place until the retaining lip snaps flush. No tools required — about 2 minutes.
Inexpensive genuine Goodman part; a smart spare to have on hand. Ships fast.