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The Goodman B1376853 Motor Mount Arm is a genuine OEM structural bracket that supports the condenser fan motor in the Goodman APH1424H41DC heat pump. This stamped-steel arm bolts to the condenser top panel and cradles the fan motor, holding it concentric to the fan orifice so the blade spins true and the motor stays properly ventilated. A cracked, rusted, or bent mount arm causes fan wobble, bearing noise, and premature motor failure — replacing it is cheap insurance for the motor above it.
The genuine OEM B1376853 uses the factory bolt pattern and arm length, so the motor sits at the exact height and offset the fan orifice was designed for. Bending a universal bracket to fit risks fan-blade strike and vibration. Given the very low cost, the correct OEM arm is always the right call.
Easy — DIY friendly. With power disconnected at the breaker, remove the fan/motor assembly, swap the arm, and reinstall. Basic hand tools and 20–30 minutes. No refrigerant work involved.