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The Goodman M0570808 Button Plug is a genuine OEM snap-in fitting used to seal unused knockouts and access holes on the cabinet of the ACVC961005CNAA furnace and compatible Goodman/Amana models. It closes off open ports to maintain proper airflow, combustion sealing, and a finished cabinet appearance.
OEM vs. Generic: Genuine Goodman plugs match the cabinet knockout diameter precisely and lock with a positive flange, so they will not pop loose under blower vibration or pressure differentials. Generic plugs in the wrong size leak conditioned air or fall out. For a sealed, vibration-proof fit, choose OEM.
Install Difficulty: Easy (1/5) — push-in replacement, no tools required. Disconnect power before servicing.