OEM Lennox Fan Motor — 88C74
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30-Day Returns
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The genuine OEM Lennox 88C74 fan motor turns the fan blade that moves air across the coil in your Lennox HVAC unit, a core function in the cooling and heat-transfer process. Manufactured to Lennox factory specifications, it matches the original mounting, rotation, and electrical profile so your system returns to rated airflow and efficiency after installation.
Common failure symptoms: A worn or failed 88C74 may hum but fail to spin, rotate sluggishly, or stop entirely. You might also encounter overheating with thermal shutdowns, grinding or squealing from failing bearings, noticeably reduced airflow, and a system that struggles to reach setpoint or short-cycles. These symptoms typically trace back to worn bearings or open motor windings.
Why OEM matters: Selecting the OEM Lennox 88C74 guarantees the horsepower, speed, and mounting exactly match your equipment's design, avoiding the airflow and load mismatches that plague universal substitutes. The correct factory motor protects the compressor and other components, preserves efficiency, and helps your Lennox system run within its engineered limits for years to come.
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