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The B1392139 is a genuine Goodman/Amana OEM view port bushing designed for the AMS80603AXAC gas furnace. This small but important component seats into the burner-compartment view port (sight-glass) opening, providing a clean, sealed grommet that lets a technician safely observe the burner flame while helping contain the combustion area. Though inexpensive, a missing or cracked view-port bushing can affect the burner-compartment seal and airflow characteristics the furnace is engineered for.
This genuine OEM bushing matches the exact diameter and depth of the factory view-port opening for a snug, rattle-free fit. Generic grommets rarely match the port geometry and can fall out or fail to seal. Given the very low cost, genuine OEM is the sensible choice.
Very Easy (1 of 5). Press-fit into the view-port opening by hand — no tools required. Disconnect power before opening the burner compartment. Replacement takes under 5 minutes.
Compatible model: AMS80603AXAC. Confirm part number before ordering.