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The Goodman B1368016S is a genuine OEM squirrel-cage blower wheel measuring 10 x 8 inches, built for the GUPI075-4 gas furnace. Precision-balanced forward-curved blades move conditioned air across the heat exchanger and into the ductwork. A wheel that is cracked, out-of-balance, or clogged with debris causes vibration, noise, weak airflow, and accelerated bearing and motor failure.
The OEM B1368016S is factory-balanced to the exact bore and blade count for vibration-free, rated-CFM performance. Our generic wheel is a cost-saving option for general repairs; for the smoothest, quietest operation on the GUPI075-4 we recommend the OEM wheel.
Difficulty: Moderate. Loosen the set screw, slide the wheel off the motor shaft, and index the new wheel to the correct depth and rotation before tightening. Allow 30–45 minutes. Confirm the wheel spins freely with adequate clearance inside the housing (5660205S). Always disconnect power first.
Tip: Mark shaft depth before removal so the replacement seats at the same position — this preserves balance and prevents blade rub.