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The Goodman 2539302F is a genuine OEM 11" x 10" blower housing (scroll) for the Goodman DCH048XXX4BXXXAA packaged gas/electric unit. The housing encloses the blower wheel and directs conditioned air into the supply ductwork, so its dimensions and cutoff geometry are critical to rated airflow (CFM), static pressure, and quiet operation. A cracked, rusted, or damaged housing causes air leakage, noise, and reduced heating/cooling performance.
An OEM housing matches the exact scroll diameter, discharge opening, motor-mount pattern, and cutoff position the unit was designed for — preserving factory airflow and efficiency. Generic or fabricated housings rarely align perfectly, risking wheel rub, air bypass, and vibration. For airflow-critical hardware, OEM ensures the system performs to spec.
Moderate–Advanced (4/5). Replacement means removing the blower assembly, transferring the motor and wheel, and setting proper wheel-to-housing clearance and setscrew alignment. Plan 1–2 hours and have an HVAC technician perform the swap for correct balance and airflow.