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The B1376853 is a genuine Goodman fan motor mount arm (bracket) for the APH1630H41AB heat pump condenser. This is the formed metal support arm that secures the condenser fan motor to the top grille/venturi assembly, holding the motor centered in the fan orifice for smooth, vibration-free airflow. Mount arms corrode, crack, or bend over years of outdoor exposure — replacing a worn arm restores proper motor alignment and eliminates the rattle and vibration a failing bracket causes.
The OEM B1376853 matches the factory bolt pattern, arm length, and offset so the fan motor sits at the correct depth in the venturi. Generic or improvised brackets risk misalignment, blade strikes, and premature motor bearing wear. At this price, OEM is the obvious choice.
Easy — no refrigerant work involved. Disconnect power, unbolt the fan/motor assembly, swap the arm, and reassemble. A capable DIYer can complete this in under 30 minutes with basic hand tools.