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The genuine Goodman 0154F00002P Coil Gasket is the OEM sealing gasket used at the evaporator coil interface on ACV90905DXBB furnace/coil assemblies. This gasket creates an airtight, condensate-tight seal between the coil case and the furnace cabinet. A hardened, torn, or missing gasket causes conditioned-air bypass, lost efficiency, whistling, and water leakage around the coil — replacing it restores a clean, sealed airflow path.
The OEM gasket is die-cut to the exact coil case footprint, so it seats flat and seals on the first try. Generic foam tape or cut-to-fit gaskets can leave gaps, compress unevenly, and degrade faster under condensate exposure. For a leak-free seal that matches factory tolerances, choose OEM.
Easy (1/5) — Peel away the old gasket, clean the mating surface of residue, and apply the new gasket before reseating the coil panel. No tools or system disassembly beyond opening the coil access. Allow a few minutes for proper alignment to ensure an even seal.