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The Goodman B1392139 View Port Bushing is a genuine OEM grommet that seals the flame-observation sight port on the burner compartment of the Goodman ACEC800804BXAA and related gas furnaces. This small but critical component maintains the air seal around the view port so combustion air and flue gases stay within their intended path. A brittle or missing bushing can allow air leakage that disrupts the flame and trips safety sensors.
The OEM B1392139 is molded to the exact port diameter and rated for the heat of the burner box. Generic bushings often loosen or degrade at furnace temperatures. OEM ensures a lasting, leak-free seal.
Very Easy (1/5). Press-fit replacement — pop out the old bushing and seat the new one. Typical time: under 5 minutes, no tools required.