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The Goodman B1376853 Motor Mount Arm is a genuine OEM bracket designed for the blower motor in ARPF364216AB air handlers. This mounting arm secures the motor within the blower housing and, together with the rubber isolation grommets, holds it in proper alignment while dampening vibration and noise. A bent, corroded, or broken mount arm allows the motor to shift, throwing the blower wheel out of alignment and accelerating bearing and wheel wear — so a correct OEM replacement is key to quiet, long-lasting operation.
Generic brackets may use different gauge steel or mounting-hole spacing, causing misalignment and rattles. This genuine Goodman B1376853 is stamped to the factory hole pattern and arm geometry, so the motor sits in the exact designed position for true blower-wheel alignment and proper grommet fit.
Moderate (2/5). Replacement involves removing the blower motor from the housing, transferring it to the new arm, and reinstalling with the isolation grommets and fasteners. Disconnect power first, and verify the motor is centered in the wheel before securing all hardware.