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The Goodman 10254303 Rubber Coupling is a genuine OEM sealing component engineered for the GMH950453BXAA 96% AFUE two-stage gas furnace and other compatible Goodman/Amana models. This flexible rubber coupling forms a leak-tight connection between condensate drain, inducer, or vent components, absorbing vibration and thermal expansion so joints stay sealed through years of heating cycles.
Over time, factory couplings harden, crack, and weep — a common cause of nuisance condensate leaks, pressure-switch faults, and lockout codes. Replacing with the exact OEM part restores a proper seal without the guesswork of universal fittings.
The OEM Goodman 10254303 guarantees an exact dimensional and durometer match for a guaranteed seal and full compatibility. Our generic equivalent meets the same fit-and-function spec at a lower price point — ideal for budget-conscious repairs where an aftermarket seal is acceptable.
Easy (1/5). A basic hand replacement — no tools or wiring required in most cases. Power down the furnace, slip off the old coupling, and press the new one into place. Always cut power at the disconnect before servicing.