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The Goodman B1392139 is a genuine OEM view port bushing designed as an exact-fit replacement for the ADSH800403AXAB furnace and compatible Goodman/Amana models. This bushing seats in the burner-compartment sight port, providing a clean, sealed opening that lets technicians visually inspect the burner flame while helping contain combustion gases and maintaining proper compartment pressure.
The genuine OEM Goodman bushing is molded to the precise port diameter for a snug, secure fit. Generic substitutes may sit loose, fall out, or use material that degrades near the burner heat. For a small, inexpensive sealing part, OEM guarantees the correct fit the first time.
Very Easy (1/5) — A simple press-in replacement requiring no tools in most cases. Power off before opening the burner compartment.