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The Goodman 0154F00004 Gasket is a genuine OEM sealing gasket engineered for the Goodman ADSH800804BXAB gas furnace. It creates an airtight, heat-resistant seal at the burner/manifold or combustion interface, preventing flue-gas leakage and maintaining correct combustion pressure. A degraded or missing gasket can cause performance loss, noise, and safety concerns.
This OEM Goodman gasket is cut to the exact profile and thickness required for a proper seal and rated for your furnace's operating temperatures. Generic gaskets often use lower-grade materials that harden or crumble prematurely, leading to leaks. For combustion-side sealing, OEM is the safe choice.
Moderate — Replacement usually requires partial disassembly of the burner or manifold area. Shut off gas and power, remove the affected component, clean the mating surfaces of old gasket material, seat the new gasket, and reassemble. Best performed by a licensed HVAC technician; allow 30–60 minutes.