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The Goodman B1376863 Motor Mount is the genuine OEM bracket/band that secures the blower motor within the housing of the ACEC801005CXAB and compatible Goodman/Amana furnaces. A sound motor mount holds the motor in correct alignment with the blower wheel and isolates vibration, keeping operation quiet and preventing premature bearing wear. Cracked, rusted, or stretched mounts allow the motor to shift, causing rattling, wheel rub, and uneven airflow.
The OEM B1376863 matches the factory motor diameter and housing bolt pattern, so the motor seats square and centered. Universal mounting kits often require trimming or shimming and can leave the motor slightly off-axis, leading to wheel rub and noise. The OEM mount is the drop-in fit.
Moderate (2/5). Requires sliding the blower assembly out, supporting the motor, transferring the mount, and re-securing. Plan 30–45 minutes; have a helper to support the motor during the swap.