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The Goodman M0570808 Button Plug is a genuine OEM snap-in hole plug designed for the VMSS960803BNAA gas furnace and other compatible Goodman/Amana units. It seals unused knockouts and access holes in the furnace cabinet, keeping conditioned air, dust, and combustion airflow properly contained.
These plugs are commonly lost during installation, wiring changes, or gas-line routing. A missing plug leaves an open hole in the cabinet that can affect airflow balance, allow air leakage, and let debris into the blower compartment. This exact-fit replacement restores the factory seal.
OEM vs. Generic: The Goodman M0570808 is sized to the furnace's exact knockout diameter, so it snaps in and locks without gaps. Off-brand plugs frequently pop out or leave a partial gap. Given the low cost, the genuine part guarantees a clean, permanent seal.
Install difficulty: Very easy (DIY). Turn off the furnace, align the plug with the open hole, and press until it snaps flush. No tools needed — under 2 minutes.