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The Goodman B1376857 Fan Motor Mount Arm is the genuine OEM support bracket for the condenser fan motor on the APH1549M41AB packaged heat pump. These arms tie the fan motor to the top grille/fan deck, holding the motor centered over the coil so the blade spins true. A cracked, bent, or corroded mount arm causes vibration, blade wobble, and premature motor bearing wear — replacing it is a cheap way to protect an expensive motor.
The OEM arm matches the factory bolt pattern and bend angle exactly, so the motor sits at the correct height and blade clearance. Bending a generic strap to fit risks misalignment and vibration. At this price, genuine Goodman hardware is the obvious pick.
A straightforward bolt-on — support the motor, swap the arm, and torque the fasteners. No refrigerant or wiring work. Cut power at the disconnect before servicing.
Fitment note: most units use multiple mount arms; confirm quantity and part number B1376857 before ordering.