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Restore full airflow with the genuine Goodman B1368016S blower wheel, a 10 in. diameter x 8 in. wide forward-curved squirrel-cage fan built for the WPH4442AHAB packaged unit. The blower wheel is the heart of your air-handling section — a worn, cracked, or dirt-loaded wheel starves the system of airflow, causing weak heating and cooling, iced coils, and high compressor head pressure. This OEM wheel is factory-balanced to eliminate vibration and motor bearing wear.
The genuine OEM B1368016S matches the original blade pitch, hub bore, and set-screw location, so it delivers the CFM the system was designed for. Generic wheels often differ in blade count or balance, which can shift airflow, raise noise, and shorten motor life. OEM guarantees a drop-in fit.
Difficulty: Moderate (DIY-capable). Disconnect power, remove the blower assembly, loosen the hub set screw, and slide the old wheel off the motor shaft. Align the new wheel to the same depth and orientation, tighten the set screw on the shaft flat, and verify the wheel spins freely without housing contact. Basic hand tools required.