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This genuine OEM Goodman rubber coupling is a direct-fit replacement for the WFD195090S5DAA gas furnace. The flexible coupling creates a leak-tight, vibration-absorbing connection between drain, condensate, or inducer/vent components. Over time rubber couplings harden, crack, and weep — leading to water leaks, drain faults, or pressure-switch trips. Replacing a failed coupling restores a sealed connection and quiet operation.
The OEM coupling matches the exact inner diameter and durometer Goodman specifies, ensuring a proper seal without over-tightening. A Generic equivalent can work for common sizes at a lower price but may vary slightly in fit. For a guaranteed leak-free seal, OEM is the safest pick.
Very Easy (1/5). Loosen the hose clamps, slide off the old coupling, fit the new one, and re-clamp. No tools beyond a nut driver or screwdriver. Typical install time: 5–10 minutes.