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The Goodman 10254303 Rubber Coupling is a genuine OEM connector seal for the WGFD293070V4CAB gas furnace and compatible Goodman/Amana units. This flexible molded coupling joins drain, condensate, or inducer hose sections and forms a leak-tight seal at the connection. Over time the original rubber can harden, crack, or take a set, allowing condensate seepage or a small combustion-air leak that hurts efficiency and can trigger pressure-switch faults. Replacing it with the correct OEM coupling restores a clean, tight joint.
The genuine Goodman OEM coupling is molded to the exact inner diameter and wall thickness of this furnace's tubing, so it seats fully and seals without clamps slipping. Generic rubber couplings vary in bore size and durometer, often leading to loose fits or premature hardening. For a low-cost part that prevents leaks, OEM is worth it.
Very Easy (1/5). Power down, slide off the old coupling (loosen the clamp if present), press the new one onto both fittings, and re-secure. No tools beyond a nut driver or pliers. Under 10 minutes.