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The Goodman B1376853 Motor Mount Arm is the genuine OEM support leg that secures the blower motor to the belly band inside the Goodman/Amana AEPF313716AA air handler. The mount arm holds the motor concentric within the housing so the blower wheel spins true and isolates motor vibration from the cabinet. A bent, rusted, or cracked mount arm lets the motor sag — causing wheel rub, noise, and premature bearing wear — so replacing it restores correct alignment.
This OEM mount arm matches the exact bolt pattern, leg length, and offset of the AEPF blower assembly, ensuring the motor centers properly in the housing. Generic or bent-to-fit brackets throw off motor alignment and reintroduce vibration. The OEM part bolts directly to the factory belly-band holes.
Rating: Easy (2/5). Support the motor, unbolt the old arm from the belly band, install the new arm, and re-torque while keeping the motor centered. Plan 20–30 minutes with basic nut drivers. Disconnect power before servicing.