OEM Lennox Blower Motor — 43G52
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The genuine OEM Lennox 43G52 blower motor drives the indoor blower wheel that circulates conditioned air throughout your home. It moves heated or cooled air across the heat exchanger and coil and out to the supply registers, making it the heart of airflow and comfort in your Lennox furnace or air handler.
Common failure symptoms: weak or no airflow from the vents, a blower that hums but won't spin, overheating that trips the thermal limit, loud bearing noise or vibration, or a motor that runs hot and short cycles. Worn bearings, a failed start capacitor, or open windings are typical causes as the motor ages.
Why OEM matters: the 43G52 is matched to your Lennox blower housing, shaft size, horsepower, and speed taps for correct CFM and static pressure. Aftermarket motors can move too little or too much air, run noisily, or fail to fit the factory bracket — hurting efficiency and comfort. This factory motor restores designed airflow, quiet operation, and full-rated performance.
Shipping Information
- Orders placed before 3PM CST ship same business day
- Standard delivery: 2-5 business days
- Express shipping available at checkout
- Free shipping on orders over $75
- Tracking number emailed upon shipment
Return Policy
- 30-day returns on unused parts in original packaging
- Electrical parts (capacitors, contactors, control boards) are final sale once installed
- Email info@nationalhvacparts.com to initiate a return
- Refunds processed within 5-7 business days