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The M0570808 is a genuine Goodman OEM snap-in button plug (hole plug) used on the AMVM970804CNBA modulating variable-speed furnace. Button plugs seal unused wiring knockouts, conversion ports, and access holes in the furnace cabinet, blower deck, and gas-valve area — keeping the burner compartment sealed for correct combustion airflow and preventing debris or pests from entering the cabinet.
Genuine Goodman plugs are sized to the exact knockout diameter and use factory-matched retention tabs that grip securely under cabinet vibration. Universal plugs frequently rattle loose or sit proud of the panel, breaking the cabinet seal that a sealed-combustion furnace depends on. This OEM M0570808 guarantees a flush, secure fit.
Easy (1/5). Align the plug over the open hole and press until the tabs snap flush. No tools needed. De-energize the furnace at the disconnect before opening the cabinet.
Ships fast from National HVAC Parts. Confirm your furnace model before purchase for guaranteed compatibility.