OEM Lennox Fan Motor — 10W66
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30-Day Returns
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The genuine OEM Lennox 10W66 fan motor drives airflow across your system's coil, moving conditioned air through the unit so your Lennox equipment can deliver its rated heating and cooling performance. Built to the original factory specification, it bolts in as a direct replacement without adapters or rewiring guesswork.
When a fan motor begins to fail, you'll often notice reduced airflow, warm air at the registers, unusual humming or grinding noises, a motor that runs hot and cuts out on its thermal overload, or a fan that won't start without a manual push. Left unaddressed, these symptoms can lead to compressor strain and higher energy bills.
Choosing the OEM 10W66 matters because Lennox motors are matched to the specific bearing load, RPM, and rotation of your system. A generic substitute can spin the wrong direction, draw the wrong amperage, or wear out prematurely. This factory part protects your warranty and ensures the fit, efficiency, and service life your Lennox unit was engineered for.
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