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The Goodman 0154F00004 is a genuine OEM gasket/seal engineered for the ACEC800603BXAA gas/electric package unit. It maintains an airtight, heat-resistant seal at the combustion or burner interface, preventing flue-gas leakage and protecting the efficiency and safety of the heating section. Using the factory-spec gasket ensures correct compression and longevity that generic cut-to-fit materials rarely match.
This is a true Goodman OEM gasket cut to exact factory dimensions, so it seats correctly the first time. Generic or universal gasket stock must be trimmed by hand and often compresses unevenly, risking leaks and repeat service calls. For a sealing component in the combustion path, OEM fitment is strongly recommended.
A straightforward replacement for a qualified HVAC technician. Always shut off gas and power, allow the unit to cool, and inspect adjacent components before reassembly. Replacement typically takes 15–30 minutes. Professional installation is recommended whenever the combustion section is opened.