OEM Lennox Fan Motor — Y4905
OEM Guaranteed
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30-Day Returns
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The genuine OEM Lennox Y4905 fan motor provides the rotational power that moves air through your Lennox unit, keeping airflow steady and correctly rated so the system can transfer heat efficiently. A healthy motor is the foundation of consistent comfort — when the Y4905 falters, airflow drops and the entire system loses performance.
Common failure symptoms include a motor that hums but won't turn, blades that spin sluggishly or seize, grinding and squealing from worn bearings, a motor that overheats and cycles off mid-operation, and weak or reduced airflow. Intermittent operation and burning odors are also signs the Y4905 is nearing the end of its service life.
Why OEM matters: Lennox manufactures the Y4905 to exact horsepower, RPM, rotation, and mounting specifications for your equipment. Generic motors often miss on capacitor requirements or airflow output, leading to premature failure and reduced efficiency. The factory Y4905 guarantees a proper fit and rated performance for your Lennox system.
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