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The Goodman B1376853 is a genuine OEM blower motor mount arm (belly band support leg) for the ACVC80803BXCA 80% AFUE two-stage variable-speed gas furnace. This mounting arm secures the blower motor within the housing, holding it in correct alignment with the blower wheel to minimize vibration, noise, and bearing wear over the life of the unit.
This factory OEM Goodman mount arm matches the exact bolt pattern, length, and gauge of the original. Generic substitutes may not align the motor correctly, causing wheel rub, excess vibration, and premature motor-bearing failure. OEM ensures a true factory fit.
Moderate (2/5) — Replacement requires loosening the motor belly band and supporting the motor during swap. Mark orientation before removal. DIY-friendly for those comfortable with blower service; disconnect power first.