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The B1376857 is a genuine OEM motor mount arm (support bracket) for the Goodman/Amana APH1530M41AC package heat pump. This is the formed-metal arm that ties the condenser fan motor to the fan deck or venturi, holding the motor concentric to the fan orifice. A straight, correctly shaped mount keeps the fan blade centered and vibration-free, which protects the motor bearings and keeps airflow — and system efficiency — where the factory intended. Note: this is a structural mounting bracket, not the fan motor itself.
The OEM arm matches the factory bolt pattern, length, and offset, so the fan blade sits centered in the orifice with correct blade-to-shroud clearance. Bending a universal bracket to fit risks misalignment, blade strike, and premature bearing wear. At this price, OEM is the obvious choice.
Difficulty: Easy — DIY-friendly. No refrigerant work involved. Disconnect power, unbolt the old arm, transfer the motor, and reinstall with the factory hardware. Re-check that the blade spins freely and is centered before restoring power.