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The Goodman 10254303 Rubber Coupling is a genuine OEM sealing coupling engineered for the WGFM195090S4CAC gas furnace and compatible Goodman/Amana models. This flexible coupling creates a leak-tight connection between condensate and inducer components, preventing air and moisture leaks that can trigger nuisance lockouts, pressure-switch faults, and reduced heating efficiency. A cracked, hardened, or missing coupling is one of the most common causes of intermittent furnace shutdowns.
OEM vs. Generic: Our OEM 10254303 is molded to exact factory dimensions and rated for the elevated temperatures and acidic condensate found inside a high-efficiency furnace. Generic couplings often use lower-grade rubber that hardens and cracks within a season or two, leading to repeat leaks. Choosing the genuine Goodman part protects the surrounding heat exchanger and inducer assembly from moisture damage.
Installation difficulty: Easy (DIY-friendly). Shut off power and gas, remove the old coupling, seat the new one fully, and confirm a snug fit before restoring power. Typical replacement takes under 15 minutes with no special tools. Always verify compatibility with your model's parts diagram before ordering.