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The Goodman 10254303 Rubber Coupling is a genuine OEM sealing component engineered for the GCH950453BXAD gas furnace and compatible Goodman/Amana condensing furnace platforms. This flexible coupling creates a tight, vibration-tolerant connection between drain and condensate lines, preventing leaks that can lead to water damage, corrosion, and nuisance shutdowns. Replacing a cracked or hardened coupling restores the factory seal and keeps your high-efficiency furnace draining as designed.
Generic couplings may fit loosely or use lower-durometer rubber that hardens quickly under furnace heat cycling. This genuine OEM part is molded to Goodman's exact dimensional tolerances, ensuring a proper seal on the first fit and a longer service life. Choose OEM when a reliable, leak-free connection matters.
Easy (1/5) — A basic hand replacement requiring no special tools. Cut power, slide the old coupling off, and press the new one into place. Most homeowners complete it in minutes.