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The Goodman 10254303 is a genuine OEM rubber coupling / sealing grommet designed for the AMH950704CXAC high-efficiency condensing furnace and related Goodman and Amana models. On 95% AFUE furnaces this flexible coupling creates a leak-tight, vibration-dampening connection in the condensate drainage path, joining trap, drain, or inducer/collector components. A cracked or hardened coupling is a common source of nuisance water leaks and can trigger pressure-switch faults, so replacing it with the correct OEM part restores a proper seal.
The OEM Goodman 10254303 is molded to the exact inner and outer diameters of your furnace's drain path, ensuring a slip-fit seal without leaks. Generic rubber couplings may fit but often vary slightly in wall thickness or durometer, which can allow weeping over time. For a maintenance-free seal, OEM is the safer pick.
Very Easy (1/5). No tools or power-down required in most cases — simply pull the old coupling and press the new one into place, confirming a snug fit on both ends. A five-minute job for any DIYer.