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The B1368016S is a genuine OEM squirrel-cage blower wheel sized 10 inches in diameter by 8 inches in width, designed for the Goodman GUP100-4A furnace. The blower wheel moves conditioned air through the ductwork of your home. A cracked hub, bent blades, or accumulated debris causes vibration, reduced airflow, and rattling noise — all signs it's time for a factory-balanced replacement.
An OEM wheel arrives factory-balanced with the correct bore and set-screw location, so it seats on the motor shaft without wobble. Generic wheels may match dimensions on paper but often need field balancing and can shorten motor bearing life if slightly off-center. For quiet, efficient airflow, the OEM part is worth it.
Hard — Requires removing the blower assembly, loosening the set screw, sliding the old wheel off the motor shaft, and precisely positioning the new wheel. Alignment and set-screw torque are critical. We recommend a licensed HVAC technician unless you are experienced with blower service.