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The genuine Goodman B1376857 Condenser Fan Motor Mount Arm is a factory-original support bracket for the APH1549M41AC heat pump. This is one of the arms that suspends the condenser fan motor beneath the top grille, holding the motor and blade assembly in precise alignment so the fan runs true and vibration-free. A cracked, corroded, or bent mount arm causes fan wobble, bearing noise, and eventual motor failure.
The OEM B1376857 matches the factory hole pattern, arm length, and offset exactly, so the motor sits at the correct height and the blade maintains proper tip clearance. A universal bracket forces you to drill and shim, which almost always leaves the fan off-center. For a few dollars, the exact-fit arm saves an afternoon of trial-and-error.
Difficulty: Easy. Disconnect power, remove the top grille/fan assembly, swap the affected arm using the existing hardware, and reinstall. Basic hand tools only — a common repair a confident DIYer can handle.
Genuine Goodman part, in stock and ready to ship. Restore solid, quiet fan support with the correct OEM mount arm.