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The Goodman/Amana B1392139 view port bushing is a factory-original replacement for the AMES960805CNAA gas furnace and other compatible Goodman and Amana models. This bushing seats around the burner sight/view port, sealing the opening that lets technicians observe the burner flame during operation. It protects the sheet-metal edge, maintains the cabinet's air seal, and holds the sight glass or cover securely in place. A missing or degraded bushing can allow air leakage and combustion-viewing obstruction.
OEM vs. Generic: The genuine B1392139 is molded to the precise port diameter and panel thickness of your furnace, snapping in for a flush, sealed fit. Generic grommets rarely match the exact groove depth and can fall out or leave gaps that leak combustion-zone air. OEM is the reliable choice for a proper seal.
Installation Difficulty: Very Easy (DIY-friendly). Takes under 5 minutes. Power down the furnace, press the old bushing out, and snap the new one into the port opening until the retaining groove seats fully. No tools required.
Need help identifying this part on your furnace? Contact info@nationalhvacparts.com with your model number.