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The 10254303 is a genuine OEM rubber coupling for the Goodman GME950805CXAB high-efficiency gas furnace. In 90%+ condensing furnaces, flexible rubber couplings join the condensate drain, trap, and inducer/pressure-switch tubing, absorbing vibration while keeping the connection leak-tight. Over time rubber hardens and cracks, causing condensate leaks, pressure-switch faults, and nuisance lockouts. Replacing a worn coupling with the correct OEM part restores a proper seal and reliable drainage.
Generic hardware-store hose sections are often the wrong inside diameter or a rubber compound that degrades quickly when exposed to acidic condensate. This genuine OEM coupling is sized to the GME950805 fittings and built from the correct material, ensuring a slip-fit seal that lasts.
Slide off the old coupling, push the new one onto the two fittings, and secure with the original clamps if equipped. No special tools needed — just power down and let any hot condensate cool first.