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The Goodman 0131M00849SP is a genuine OEM 1/2 HP blower (indoor fan) motor built as the direct-fit drive for the ARPF363616AA air handler. The blower motor turns the wheel that moves conditioned air through the home. When a motor fails — hard starts, overheating and tripping on thermal overload, loud bearing noise, or no airflow at all — this factory motor restores rated CFM across all blower speeds. A failing motor is a leading cause of weak airflow and frozen coils.
The OEM Goodman motor matches horsepower, rotation, speed taps, shaft size, and mounting exactly, so the blower delivers factory airflow and the control board reads it correctly. Universal/generic replacement motors can work but often require rewiring speed taps, adapting the mount, and re-balancing the wheel — and may not match the original torque curve. For a clean, code-correct repair, OEM is recommended.
Advanced. Requires pulling the blower assembly, transferring the wheel, matching speed-tap wiring to the original, and setting the motor in the housing with correct shaft position and set-screw torque. Plan 1–2 hours. Disconnect power before servicing. Because of the wiring and capacitor connections involved, a licensed HVAC technician is recommended.