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The Goodman B1392139 View Port Bushing is a genuine OEM fitting for the Goodman ACVM970803BNAA furnace and related Goodman/Amana models. This bushing lines the burner observation (sight) port, providing a clean, sealed opening through which a technician can inspect the burner flame during operation.
The bushing protects the cabinet edge and helps maintain the proper draft seal around the view port. A missing or degraded bushing can allow air leakage that affects combustion and flame-sensing accuracy.
The OEM B1392139 is sized to Goodman's exact port diameter for a tight, draft-sealing fit. Generic grommets may not seal completely, allowing air infiltration that can affect combustion performance.
Very Easy (1/5). Press the bushing into the view port opening by hand — no tools needed. Shut off power and gas before servicing.