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The Goodman B1376853 Motor Mount Arm is a genuine OEM condenser fan motor support bracket for the APH1636H41AB packaged heat pump. This is a mechanical support component — one of the arms/legs that suspend the condenser fan motor over the outdoor coil and hold it in correct alignment with the fan orifice. A bent, rusted, or cracked mount arm lets the motor sag or vibrate, which throws off blade clearance, causes noise, and shortens motor bearing life. Replacing a damaged arm restores proper motor positioning.
Because motor mount arms set fan blade clearance and alignment, exact length and hole spacing matter. This genuine OEM arm bolts to the original mounting points with no fabrication. Generic brackets rarely match the geometry and can leave the blade rubbing the shroud or the motor off-center.
Easy — DIY friendly. Disconnect power to the unit, then unbolt the old arm and bolt the new one in the same position; support the motor while swapping. No refrigerant work is involved. Verify fan blade clearance in the orifice before restoring power.