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The Goodman 2539309S is a genuine OEM 11 x 10 inch blower housing (scroll assembly) engineered for the WGGE4360A090MAB gas furnace and compatible Goodman/Amana air handlers. The housing encloses the blower wheel and directs conditioned air into the supply plenum, and its precise geometry is what allows the system to hit its rated CFM without excess noise or static pressure.
Airflow depends on tight tolerances between the blower wheel and the housing cutoff. The OEM 2539309S is dimensioned to the exact wheel diameter and motor mounting pattern used on this furnace, so the wheel spins true and delivers rated CFM. Generic or universal housings frequently force wheel-clearance compromises that cause vibration, whistling, and reduced efficiency.
Difficulty: Moderate (3/5). Requires pulling the complete blower assembly, transferring the motor and blower wheel to the new housing, and re-setting wheel-to-cutoff clearance. Budget 45–90 minutes and expect to balance the wheel on the shaft. Recommended for experienced DIYers or an HVAC technician.
Replace a cracked, rusted, or bent housing to eliminate airflow noise and restore full heating and cooling output. Genuine Goodman part — a true drop-in for the original.