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The 10254303 is a genuine OEM rubber coupling for the Goodman WFD195045S3BAB gas furnace. This flexible molded coupling forms an airtight, vibration-dampening connection in the furnace's induced-draft and condensate pathway, sealing tubing junctions while absorbing blower vibration. A hardened, cracked, or missing coupling causes air or condensate leaks, pressure-switch faults, and rattling noise — small failures that can trigger nuisance lockouts on high-efficiency furnaces.
The OEM 10254303 is molded to the exact inner diameter and wall thickness needed for a leak-free seal on Goodman inducer and drain fittings. Generic rubber couplings or hose clamps may not seal precisely, leading to slow leaks and repeat pressure-switch trips. For such a low-cost part, OEM is the easy call — it ensures a proper seal and correct fit the first time.
Very Easy (1 of 5). With power off, slide off the old coupling, clean the fitting surfaces, and press the new coupling fully onto both connection points. Under 10 minutes and no tools required. Confirm a snug, square fit so the pressure switch reads correctly.