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The Goodman 10254303 Rubber Coupling is a genuine OEM connector for the WFD195090S4CAA gas furnace. This flexible coupling joins drain and condensate tubing to the furnace's collector box or trap, forming a watertight, vibration-tolerant seal. Over time rubber couplings harden, crack, or loosen, allowing slow condensate leaks that trigger pressure-switch faults, rust, or water damage near the unit. Replacing it with the correct OEM part restores a dependable, leak-free connection.
The genuine OEM coupling is sized to the exact inner and outer diameters of the WFD195090S4CAA drain ports, so it seats fully and seals without clamps working loose. Generic rubber couplings that are slightly off-size are the number-one cause of repeat condensate leaks. At this price, OEM is the obvious pick.
Easy (1/5). Loosen the hose clamps, slide off the old coupling, push the new one into place, and retighten. A 5-minute job requiring only a nut driver or screwdriver. Shut off power and gas before servicing.