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The Goodman B1392139 is a genuine OEM view port bushing designed for the AMVS960603BUAA gas furnace. This bushing lines the flame/sight inspection port, providing a clean, sealed opening that lets technicians safely view the burner flame while protecting the port edge and maintaining the furnace's combustion-air integrity.
Because this bushing sits near the combustion area, temperature rating and exact diameter matter. Generic grommets may not tolerate the heat or may leave gaps that disrupt sealed-combustion airflow. The genuine Goodman B1392139 is spec'd for this port, ensuring a proper seal and safe flame-viewing window. OEM is the right call for any combustion-adjacent fitting.
Easy (1/5) — Press-fit into the sight port opening after cutting power to the furnace. No specialized tools required. Confirm the old bushing is fully removed before seating the replacement.
Genuine Goodman part, ready to ship. Questions? Reach us at info@nationalhvacparts.com.