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The Goodman B1376853 motor mount arm is a genuine OEM blower motor support bracket for the ACVC800603BXAB gas furnace. Motor mount arms attach to the motor's belly band and secure the blower motor within the housing, isolating vibration and keeping the motor properly aligned with the blower wheel. A bent, corroded, or missing mount arm leads to excessive noise, motor wobble, and premature bearing wear.
This genuine OEM mount arm matches the original hole spacing and arm length so the motor sits centered in the housing. Generic brackets often differ in length or bolt pattern, throwing off motor alignment. Sold individually — most motors use a matched set of arms, so order the quantity your repair requires.
Easy to Moderate — bolts to the motor belly band and the blower housing. May require removing the blower assembly for access. Disconnect power before servicing. Estimated time: 20–40 minutes.