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The Goodman B1392139 View Port Bushing is a genuine OEM bushing that lines the sight-glass / view port opening on the AMEC960803BNAB gas furnace. It protects the panel edge, provides a clean finished opening for viewing the burner flame, and helps maintain the cabinet seal around the port.
The OEM bushing matches the exact port diameter and panel thickness of your furnace, so it snaps in flush and stays put. Off-size generic grommets tend to fall out or fail to seal, allowing air leakage around the observation port. Given the low cost, the genuine part is the practical choice.
Easy (1/5). Presses into the port opening by hand — no tools required. Shut off power and gas before servicing the furnace.
Need help confirming fit? Contact info@nationalhvacparts.com with your full model and serial number.