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The Goodman B1376857 Motor Mount Arm is a genuine OEM condenser fan motor support bracket for the APH1524M41AD packaged heat pump. This arm secures the condenser fan motor to the top grille/orifice panel, holding the motor concentric within the fan orifice so the blade spins true. A bent, corroded, or broken mount arm causes fan wobble, rubbing, excess vibration, and premature motor bearing wear — replacing it restores quiet, balanced airflow.
The genuine B1376857 matches the factory bolt pattern, arm length, and offset so the motor centers perfectly in the fan orifice. Generic or fabricated arms often misalign the blade, leading to noise and vibration. For a few dollars, the OEM part guarantees correct geometry.
Easy — a straightforward mechanical swap. Disconnect power, remove the top grille, transfer the motor to the new arm, and reinstall. No refrigerant or specialized tools required. A capable DIYer can complete it in under 30 minutes.