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The Goodman 10254303 is a genuine OEM rubber coupling used in the WGFM195070S4CAC gas furnace and compatible Goodman/Amana models. This flexible coupling joins condensate drain or inducer sections and forms a leak-tight, vibration-tolerant seal between components. In a condensing furnace, even a small leak at a coupling can drip acidic condensate onto the control board or trip the pressure switch, so a properly sealed connection is essential to reliable operation.
Generic rubber couplings vary in inside diameter, wall thickness, and durometer, which can leave them loose or prone to early hardening and cracking. The OEM 10254303 matches the exact bore and compliance the furnace was designed around, so it clamps tight and stays sealed. At this price, the genuine part is the easy choice.
Rating: Easy (1 of 5). Typically a 10-minute job. Power down the furnace, loosen the hose clamps, slide off the old coupling, fit the new one, and re-torque the clamps evenly. Verify there are no leaks after restarting. No special tools beyond a nut driver or screwdriver are required.