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The Goodman 10254303 is a genuine OEM rubber coupling used in the GKS91155DXAE gas furnace. This flexible elastomer coupling connects and seals the draft/inducer assembly, absorbing vibration and maintaining an airtight joint between components. Over time rubber couplings harden, crack, or split — leading to air/draft leaks, whistling noises, pressure-switch faults, and lost efficiency. Replacing this inexpensive part restores a proper seal and quiets inducer vibration.
The OEM Goodman 10254303 is molded to the exact inside diameter and durometer required for a leak-free fit on this furnace's draft components. Generic hose or coupling stock may not seal correctly or withstand flue-side heat, leading to recurring pressure-switch trips. At this price, OEM is the obvious pick.
Very Easy (1/5) — Loosen the clamps, slide off the old coupling, fit the new one, and re-tighten. Under 10 minutes, no special tools. Confirm both ends are fully seated to avoid draft leaks.