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The genuine Goodman M0570808 Button Plug is a factory OEM fitting engineered for the Goodman/Amana AMSS960403ANAA gas furnace and compatible cabinets. This snap-in plug seals unused knockouts and access holes in the furnace panel, blocking air leakage, dust, and pests while maintaining a clean, professional finish. Small as it is, a missing or cracked button plug can disrupt combustion airflow and cabinet pressure, so replacing it with the correct OEM part keeps your furnace operating to spec.
OEM vs. Generic: Generic plugs often use the wrong diameter or a softer plastic that pops out under cabinet vibration and heat. This OEM M0570808 matches the factory bore exactly for a positive, permanent seat. If you prefer a lower-cost alternative, a universal generic option is available, but for a guaranteed flush fit on the AMSS960403ANAA we recommend the genuine Goodman part.
Install Difficulty: ⭐ Very Easy (1/5) — press the plug into the open hole until it clicks. No wiring, no tools, under one minute. Suitable for any DIY homeowner.