What HP motor do I need for my Lennox unit?

The correct replacement for Lennox model OEM Lennox Blower Wheel — 66656 is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Lennox equipment which lists the model number OEM Lennox Blower Wheel — 66656.

My AC fan is not spinning. What part do I need?

A fan that does not spin, spins slowly, or makes grinding or squealing noises needs a new motor. Grinding means the bearings have failed. Squealing means the bearings are dry. No spin with a humming sound means the capacitor may be the issue. Check the motor capacitor before replacing the entire motor.

Lennox

OEM Lennox Blower Wheel — 66656

Name: OEM Lennox Blower Wheel — 66656
Brand: Lennox
SKU: LNX-66656
Price: 89.95 USD
Availability: InStock

SKU: LNX-66656 Brand: Lennox

$89.95 $129.95

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The genuine OEM Lennox 66656 blower wheel is the squirrel-cage fan that moves conditioned air through the ductwork of your Lennox furnace or air handler. Its curved blades and factory balancing generate the airflow volume your system depends on for proper heat exchange, even temperatures, and rated efficiency.

Common failure symptoms: A failing blower wheel commonly causes weak or uneven airflow at the registers, vibration and wobble, rattling or scraping noises, and short-cycling from overheating or icing. Dirt buildup, bent or broken blades, or a loose hub throws the wheel out of balance, straining the motor and bearings and reducing comfort.

Why OEM matters: Blower wheels are precision-balanced and sized to a specific motor and housing. The correct 66656 matches blade geometry, diameter, and bore so it delivers design airflow (CFM) without overloading the motor. An incorrect or unbalanced aftermarket wheel restricts airflow, vibrates, and shortens motor life. Fitting the factory wheel restores full, quiet, balanced airflow across 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

OEM Lennox Blower Wheel — 66656

$89.95

Frequently Asked Questions

Does this Fan/Blower fit my Lennox OEM Lennox Blower Wheel — 66656?

Yes. This is the factory-specified OEM fan/blower for the Lennox OEM Lennox Blower Wheel — 66656. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.

How do I replace the fan/blower on my Lennox OEM Lennox Blower Wheel — 66656?

Difficulty: Medium-Hard (1–2 hrs)
Step 1: Turn off breaker. Step 2: Note motor specs: HP, RPM, voltage, rotation direction. Step 3: Remove old motor from mounting. Step 4: Transfer fan blade to new motor. Step 5: Mount new motor, reconnect wiring. Step 6: Restore power, verify rotation direction.

My AC fan isn’t spinning. What part do I need?

Fan not spinning, spinning slowly, or making grinding/squealing noises = motor failure. Grinding = bearings failed. Squealing = bearings dry. No spin + hum = check the motor capacitor first before replacing the entire motor.

Is this fan/blower compatible with Bryant or Payne too?

Many Lennox parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.

Should I use OEM or aftermarket for my Lennox fan/blower?

OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.

How fast does National HVAC Parts ship?

Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.

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OEM Lennox Blower Wheel — 66656

Shipping Information

Return Policy

Frequently Asked Questions