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The 0154F00004 is a genuine Goodman/Amana high-temperature sealing gasket engineered for the AMH80804BNAA 80,000 BTU gas furnace. This gasket maintains an airtight seal between mating cabinet, burner, or collector-box surfaces, preventing combustion-air leakage and flue-gas escape. A compromised or brittle gasket can cause pressure-switch faults, poor combustion, and efficiency loss, so replacing it with the correct OEM part restores proper sealing and safe operation.
OEM gaskets are die-cut to the exact profile and thickness of the original, ensuring a leak-free seal on the first fit. Generic sheet-gasket material must be cut and shaped by hand and often fails to seat evenly, leading to repeat leaks. For a sealing surface exposed to combustion heat, the OEM part is the reliable choice.
Rated Moderate — typically requires partial disassembly of the burner or collector-box assembly to access the sealing surface. Scrape away old gasket residue for a clean bond. Shut off gas and power first, and verify no leaks with proper procedures after reassembly. Consider a professional if you are uncomfortable opening the combustion section.