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The Goodman B1376853 is a genuine motor mount arm (mounting leg) designed as a direct replacement for the blower assembly in the ARPF364216AC air handler. These mounting arms cradle the blower motor in its belly-band band and bolt it to the blower housing. A bent, rusted, or broken arm allows the motor to sag or vibrate, causing noise, misalignment, and accelerated bearing wear. Replacing it restores secure, vibration-free motor support.
Universal mounting legs rarely match Goodman's bolt-hole spacing or arm length, forcing you to drill new holes or shim the motor — which throws off blower wheel alignment. This genuine OEM arm matches the original hole pattern and geometry, so the motor sits centered in the housing exactly as designed.
Easy to Moderate — Typically replaced as part of a motor or mount-band service. Loosen the belly-band bolts, swap the damaged arm, and re-torque evenly so the motor is centered. Plan 20–40 minutes. Always disconnect power at the breaker first.