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The Goodman B1392139 View Port Bushing is the genuine OEM grommet that frames and seals the flame-inspection sight port on ACES960804CNAA gas furnaces and other compatible Goodman and Amana models. It holds the sight glass securely while protecting the surrounding sheet-metal opening and helping maintain the sealed combustion environment around the burner compartment.
Over time heat cycling can make the original bushing brittle, cracked, or loose, which allows the sight glass to rattle or fall out and compromises the inspection port seal. This OEM bushing snaps back into the factory opening for a clean, secure fit.
Because this bushing must withstand sustained heat near the combustion chamber, the genuine OEM part is molded from a heat-rated compound with exact dimensions. Generic substitutes may not survive the temperature or may fit loosely. OEM ensures a proper, long-lasting seal.
Very Easy (1/5) — Power down the furnace, pop out the old bushing, and press the new one into the port opening. Under 10 minutes, no tools required.