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The Goodman 0154F00004 is a genuine OEM high-temperature gasket seal for the Amana / Goodman AMH80904BXCB gas furnace. It seals a critical joint in the combustion/heat-exchanger assembly — such as the burner box, collector box, or inducer flange — maintaining an airtight boundary so combustion products stay contained and draft pressures remain correct. A dried, cracked, or missing gasket can allow flue-gas leakage and cause pressure-switch or ignition faults.
Gasket thickness, cutout pattern, and temperature rating must match the mating flange precisely. The OEM gasket is die-cut to the factory footprint and rated for combustion-zone temperatures. Trimming a generic sheet gasket risks leaks and improper draft — not recommended on combustion components.
Moderate (3/5). Requires opening the affected assembly, scraping the old gasket, and reseating hardware to spec. Because it affects the sealed combustion path, we recommend a licensed HVAC technician perform the replacement and confirm proper draft and CO-free operation afterward.