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The Goodman B1392139 View Port Bushing is a genuine OEM part for the ACSS960603BNAA gas furnace and compatible Goodman/Amana models. It frames and seals the burner-compartment sight-glass opening, allowing safe visual inspection of the flame while protecting the surrounding sheet metal and maintaining the combustion enclosure's integrity.
This genuine Goodman OEM bushing is sized to the exact port diameter and rated for sustained burner-compartment heat. Generic substitutes may not seal flush or can degrade near the flame, allowing air leaks that affect combustion. OEM guarantees correct fit and heat tolerance.
Difficulty: Very Easy (1/5). Pop the old bushing out and snap the new one into the view-port opening by hand. Always shut off power and gas before opening the burner compartment.