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The Goodman B1376863 Motor Mount is a genuine OEM bracket that secures and isolates the blower motor inside the ARPF374316CA air handler. It positions the motor at the correct depth and angle within the blower housing while dampening vibration that would otherwise transfer to the cabinet as noise. A cracked, rusted, or loose mount leads to wobble, bearing wear, and the rattles homeowners often mistake for a failing motor.
OEM mounts match the original belly-band diameter, bolt spacing, and isolation geometry, keeping the blower wheel centered in the housing. Generic mounts may not align the motor precisely, causing wheel rub, imbalance, and premature bearing failure. Given how cheap the part is, OEM is the smart insurance for your blower assembly.
Moderate (3 of 5). Disconnect power and pull the blower assembly. Note motor orientation, transfer the motor to the new mount, and reinstall. A nut driver and basic mechanical skills are sufficient; take care not to disturb the blower wheel balance.