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This genuine OEM Goodman rubber coupling (part #10254303) is a direct-fit replacement for the Goodman GCH950904CXAB gas furnace and other compatible models in the same family. The coupling creates a tight, vibration-dampening seal between condensate drain, venting, or inducer connections, preventing air and water leaks that can trigger nuisance lockouts or water damage around the furnace cabinet.
Molded from heat- and moisture-resistant EPDM rubber, this coupling maintains its flexibility and grip through years of thermal cycling. A cracked, hardened, or missing coupling is a common cause of drain leaks and pressure-switch faults — replacing it restores a proper seal and quiet operation.
The OEM Goodman coupling is molded to exact factory tolerances for a guaranteed leak-free fit and full compatibility with the original inducer/drain assembly. Generic universal couplings may fit loosely, require additional clamps, and can degrade faster under continuous heat. For a furnace, we recommend OEM to avoid repeat service calls.
Easy (1/5). No tools required in most cases — power down the furnace, slide off the old coupling, and press the new one into place over the existing fittings. A typical DIY replacement takes under 10 minutes. Always shut off power and gas before servicing.