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The Goodman B1376863 Motor Mount is a genuine OEM mounting component designed for the blower assembly in ACVC800805CXAA variable-speed gas furnaces and related Goodman/Amana models. It secures the blower motor in the housing, holding it in correct alignment so the wheel spins true and the bearings carry an even load.
A worn, cracked, or rusted motor mount lets the motor shift under torque, causing vibration, rubbing, and noise — and accelerating bearing and motor failure. Replacing the mount restores quiet, stable operation and protects the motor you already own.
The OEM mount is stamped to the exact bolt pattern and motor diameter for this furnace family, so it drops into the factory holes without drilling or shimming. Generic or universal belly-band kits often require fabrication and can leave the motor slightly off-axis, reintroducing the vibration you are trying to cure. OEM ensures a true, rattle-free fit.
Rated 3/5. The blower assembly typically must be slid out of the furnace to access the mount, and the motor re-centered on reassembly. Plan 45–60 minutes with basic hand tools. Comfortable DIYers can manage it; if removing the blower is unfamiliar, a technician is recommended.