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The Goodman 10254303 Rubber Coupling is a genuine OEM sealing coupling for the WFD195070S4CAB gas furnace and compatible Goodman/Amana models. This flexible rubber connector joins condensate/drain and vent components, providing a leak-tight, vibration-absorbing seal between sections. Over time rubber couplings harden, crack, or take a set, which leads to condensate leaks, drain-trap issues, and pressure-switch faults on high-efficiency furnaces. Replacing a tired coupling restores a proper seal and prevents water damage around the unit.
The OEM coupling is molded to the exact inside diameter and wall thickness of this furnace's fittings, so it seats fully and seals without leaks. Generic hardware-store couplings are often the wrong size or durometer, leading to slow drips that are hard to trace. For a small part with a big impact on reliability, OEM is worth it.
Very easy (1/5). Typically slides on and secures with a hose clamp — a 5–10 minute swap with basic tools. Power and gas off before servicing. Inspect adjacent hoses and the drain trap while you're in there and replace any that are brittle.
In stock and ready to ship. Contact us with your model and serial number to confirm the exact fit.