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The Goodman 0154F00003 14-Inch Vent Motor Gasket is a genuine OEM sealing component for the ADSS800403AXAA gas furnace. This gasket sits between the inducer/vent motor and the furnace housing, creating the airtight seal required for the pressure switch to sense proper draft. A compressed, torn, or missing gasket lets air leak past the inducer, which can cause pressure-switch faults, ignition lockouts, and reduced combustion efficiency.
OEM vs. Generic: The OEM Goodman gasket is die-cut to the exact bolt pattern and thickness of the vent-motor flange, so it compresses evenly and seals fully. Trimmed generic material or reused old gaskets frequently leak, triggering intermittent pressure-switch codes that are hard to diagnose. Always replace the gasket whenever the vent motor is removed.
Install Difficulty: Easy (1/3). Cut power, remove the vent motor, peel off the old gasket, clean the mating surfaces, and set the new gasket before reinstalling. Verify a solid draft and no pressure-switch faults on restart.