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The Goodman B1376857 Motor Mount Arm is a genuine OEM fan-motor support bracket designed as a direct replacement for the Goodman/Amana APH1530M41AB heat pump. This arm is one of the legs that suspends the condenser fan motor beneath the top grille, holding it centered over the coil so the fan blade spins true. A cracked, bent, or rusted-through mount arm causes the motor to sag, which leads to blade wobble, rubbing, vibration noise, and eventually bearing or blade failure.
This genuine OEM mount arm matches the exact length, bend angle, and bolt-hole spacing of the original, so the motor sits at the correct height and the blade clears the grille. Generic brackets rarely match the geometry and can leave the motor off-center. The OEM part's galvanized/coated finish is rated for outdoor service and resists the rust that fells budget hardware.
Easy — DIY friendly. With power off at the disconnect, remove the top panel/grille assembly, transfer the motor to the new arm using the existing bolts, and reinstall. Typically a 20–30 minute job with basic hand tools. Support the motor while swapping arms so it doesn't hang by its wiring, and confirm even blade clearance before restoring power.