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The Goodman 0154F00004 Gasket is the genuine OEM high-temperature sealing gasket for the ACEC800804BXAB and compatible Goodman/Amana furnaces. It maintains an airtight, heat-resistant seal between mating components such as the burner box, collector box, or inducer assembly. A compressed, torn, or hardened gasket allows air or flue-gas leakage that hurts combustion efficiency and can trip pressure or limit safeties — any time those panels are opened for service, the gasket should be replaced rather than reused.
OEM vs. Generic: The genuine 0154F00004 is die-cut to the exact factory shape, thickness, and bolt pattern, so it seats fully and seals on the first install. Generic gasket material must be cut and fitted by hand and rarely matches the original compression — the OEM part guarantees a precise, reliable seal.
Install Difficulty: Moderate — requires removing the sealed component and cleaning the mating surface before fitting the new gasket. Best performed by an HVAC technician. Shut off gas and power before servicing.