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The Goodman B1392139 View Port Bushing is a genuine OEM fitting for the VMES960804CNAA gas furnace. It seals the burner-compartment inspection (view) port, allowing safe visual checks of the flame while maintaining a proper airtight seal on the combustion enclosure.
The genuine Goodman OEM bushing is molded for the exact port diameter and rated for burner-compartment heat. Generic substitutes may not seal correctly or withstand the operating temperature, risking air leaks that affect combustion.
Very Easy (1/5). Press or thread the bushing into the view port by hand. No tools needed — under 5 minutes.
Ensure the port is fully seated to preserve the combustion-chamber seal.