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The Goodman M0570808 Button Plug is a genuine OEM snap-in plug used to close off unused knockouts and access holes on the AMEC960803BNAB gas furnace cabinet and sheet-metal panels. It restores the factory seal, blocks air and pest intrusion, and gives the cabinet a finished appearance.
The OEM M0570808 plug is sized to the exact knockout diameter used on Goodman/Amana panels, so it locks in and seals cleanly. Generic plugs frequently sit loose or pop out, defeating the purpose of sealing the opening. For a couple of dollars, the genuine part is worth it.
Easy (1/5). Pushes into the hole by hand until it snaps flush — no tools required. Always disconnect power and gas before opening the furnace cabinet.
Unsure of the correct plug size for your unit? Email info@nationalhvacparts.com with your model and serial number.