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The Goodman 0150M00000S is a genuine OEM blower wheel sized 9 x 6 inches, engineered as a direct-fit replacement for the WPH4330AHAA package unit. This forward-curved squirrel-cage wheel circulates conditioned air through the system; a cracked, unbalanced, or debris-laden wheel causes weak airflow, vibration, and noise. Installing this factory-balanced wheel restores rated CFM and smooth, quiet operation.
This OEM wheel is factory-balanced and dimensionally matched to the original — correct bore, hub, and rotation direction — so it seats without vibration. Generic wheels cost less but often arrive unbalanced, stressing the motor bearings and shortening blower life. OEM protects the whole assembly.
Moderate. Requires disconnecting power, removing the blower assembly, transferring the set-screw hub to the motor shaft at the correct depth, and verifying rotation. About 45-60 minutes for a confident DIYer; professional install recommended otherwise.