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The B1376857 is a genuine OEM motor mount arm (support bracket) for the Goodman/Amana APH1442M41AA heat pump. This stamped-steel arm is one of the legs that suspends the condenser fan motor within the top grille assembly, holding it centered over the fan blade and absorbing running vibration. A bent, rusted, or broken mount arm lets the motor sag — causing blade-to-shroud contact, bearing wear, and excessive noise. Replacing a damaged arm is a low-cost way to restore proper fan alignment.
The genuine Goodman arm is punched to the exact bolt-hole pattern and length for your grille and motor, so the fan blade sits at the correct height with proper tip clearance. Universal brackets often require drilling or shimming and can leave the motor off-center. For a clean, rattle-free fit, use the OEM part.
Easy (2/5). Disconnect power, lift the top grille/fan assembly, remove the retaining nuts on the old arm, transfer the motor, and reinstall. No refrigerant work involved. Typical time is 20–40 minutes. Confirm blade clearance before restoring power.