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The Goodman M0570808 Button Plug is a genuine OEM part for the Amana/Goodman AMEC960804CNAB gas furnace. This snap-in plug seals unused knockout openings and access holes in the furnace cabinet or sheet-metal panels, keeping the enclosure closed against air leaks, dust, and pests.
Open knockouts left uncapped can disrupt the furnace's air balance, create noise, and let debris into the cabinet. Replacing a missing or damaged button plug with the correct OEM part restores a clean, sealed finish to the unit.
The OEM button plug matches the exact knockout diameter on your furnace panel for a flush, secure snap fit. Generic hole plugs may be close in size but can sit loose or pop out. For a factory-clean seal, choose the OEM part.
Very Easy (1/5). Simply press into the open hole until it snaps flush. Under a minute, no tools required.