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The Goodman 10254303 Rubber Coupling is a genuine OEM replacement component engineered for the AMV91155DXBB high-efficiency gas furnace and other compatible Goodman and Amana models. This flexible coupling creates a leak-tight, vibration-dampening connection between condensate drain, pressure-switch tubing, or inducer assembly components, helping your furnace vent and drain correctly through every heating cycle.
Because it is molded to factory tolerances, this coupling seats securely without cracking, hardening, or leaking the way generic hose sections often do after a season of thermal cycling. A failed or dry-rotted coupling can trip pressure-switch faults and cause nuisance lockouts, so replacing it with the correct OEM part restores reliable ignition and condensate flow.
OEM vs. Generic: Our OEM Goodman coupling is matched to the exact inside diameter and durometer specified by the factory, ensuring an airtight seal and long service life. Universal generic couplings may fit loosely, weep condensate, or degrade quickly under repeated heating cycles — a small savings that risks repeat service calls.
Install Difficulty: Easy (DIY-friendly, 5–10 minutes). Cut power to the furnace, slide the old coupling off, seat the new one, and secure any clamps. Basic hand tools only. If you are unsure which tubing connection it serves, consult your model's parts diagram or a licensed HVAC technician.