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The 10254303 is a genuine OEM rubber coupling used in Goodman WGFM295090V5DAB high-efficiency furnaces to create a flexible, leak-tight connection in the condensate and drainage path. Over years of service, rubber couplings harden, crack, and weep — leading to water pooling, corrosion, and nuisance pressure-switch or float-switch faults. Replacing this inexpensive part restores a proper seal and keeps your furnace running clean and dry.
This OEM coupling is molded to the exact inner and outer diameters of the Goodman assembly, so it slips on and seals without leaks. Off-the-shelf generic couplings often run slightly under- or over-sized, requiring extra clamps or resulting in slow drips that are hard to trace. At this price point, genuine OEM is the easy, reliable choice.
Very Easy (1/5). This is a five-minute repair — loosen the hose clamp(s), slide off the old coupling, and press the new one into place. No tools beyond a nut driver or pliers for the clamp. Power down the furnace, then inspect for leaks after your next heating cycle.