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The Goodman B1376853 Motor Mount Arm is a genuine OEM bracket for the ARPF364216CA air handler. This mount arm is part of the belly-band assembly that cradles and secures the blower motor inside the cabinet, holding it rigid and concentric to the blower housing so the wheel spins true.
A bent, cracked, or corroded mount arm lets the motor shift under load, which produces rattles, vibration, and accelerated bearing wear. Replacing the arm restores proper motor alignment and quiet, stable operation.
This genuine OEM arm matches the factory bolt pattern, length, and steel gauge so the motor sits at the correct height and angle. Generic universal brackets often require drilling or shimming and can leave the motor misaligned. OEM ensures a bolt-in fit on the ARPF364216CA.
Moderate (2 of 5). With power off, support the motor, unbolt the old arm, fit the new arm, and re-torque the band hardware while keeping the motor centered in the housing. Roughly 30 minutes with standard hand tools.