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The Goodman 0154F00004 Gasket is a genuine OEM sealing gasket for the WFD18090S4BXCC furnace and compatible Goodman/Amana models. It creates an airtight, heat-resistant seal between mating furnace components, preventing combustion-air leakage and maintaining proper draft and efficiency. Whenever a sealed panel, burner assembly, or inducer is removed for service, the original gasket should be replaced to guarantee a clean, code-compliant seal.
The OEM option is die-cut to the exact factory profile and bolt pattern for a guaranteed seal. A Generic option can offer material savings, but gaskets are dimension-critical — for sealing surfaces we strongly recommend OEM to avoid leaks and repeat service calls.
Moderate (2/5). Replacement itself is straightforward, but it requires removing the associated furnace panel or assembly, cleaning old gasket residue from the mating surface, and reseating hardware to the correct torque. Budget 30–45 minutes. Always shut off gas and electrical power before servicing. If the gasket seals a combustion or flue surface, a technician should verify a proper seal and safe draft afterward.