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The Goodman B1392139 View Port Bushing is a genuine OEM component designed for the ADSS800804BXAC gas furnace. This small but essential bushing seats around the sight/view port, providing a secure, protective grommet that lets a technician safely observe the burner flame while keeping the port opening properly finished and sealed.
Because this bushing sits at the flame-observation port, an exact OEM fit matters for both appearance and safe access. Generic rubber grommets often sit loose or degrade near heat. The genuine Goodman B1392139 is molded to the correct diameter and profile so it snaps in and stays put.
Difficulty: Easy. A simple push-in replacement — no tools required in most cases. Shut off power and gas before working near the burner assembly. A quick fix for a missing or torn view port bushing.