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Replace the burner observation-port bushing on your Goodman/Amana AMH80803BXBB furnace with this genuine OEM B1392139 part. The view-port bushing seats in the burner-box sight opening, giving a clean, secure edge for the sight glass or observation window used to check flame quality. Over time these bushings can harden, shrink, or fall out, allowing air leakage around the port and making it harder to inspect the burners.
A generic grommet that is even slightly off in diameter or heat rating will not seat properly and can distort near the combustion chamber. The OEM B1392139 matches the factory port dimensions and temperature spec exactly, so it snaps in flush and stays put.
One of the simplest repairs on the furnace. Shut off power, pop out the old bushing, and press the replacement into the port until it seats. Typical time: under 5 minutes. No tools required in most cases.