What HP motor do I need for my Lennox unit?

The correct replacement for Lennox model OEM Lennox X13 1 HP ECM Blower Motor — 81W41 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 X13 1 HP ECM Blower Motor — 81W41.

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.

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Lennox

OEM Lennox X13 1 HP ECM Blower Motor — 81W41

Name: OEM Lennox X13 1 HP ECM Blower Motor — 81W41
Brand: Lennox
SKU: LNX-81W41
Price: 99.95 USD
Availability: InStock

SKU: LNX-81W41 Brand: Lennox

$99.95 $139.95

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The genuine OEM Lennox 81W41 (factory part 607421-10) is a 1 HP X13 constant-torque ECM blower motor, pre-programmed to Lennox factory specifications. This electronically commutated motor powers the indoor blower in your Lennox furnace or air handler, providing steady, energy-efficient airflow while operating more quietly and running cooler than conventional PSC motors.

Common symptoms of a failing X13 blower motor include weak or fluctuating airflow, a blower that won't start, humming or grinding noises, overheating, or the motor shutting down mid-cycle. These issues often stem from worn bearings, a faulty control module, or electrical faults within the motor.

OEM is important for this component. The 81W41 is factory-programmed with the exact torque profile and mounting design your Lennox system was engineered to use. A universal replacement may fit physically but won't reproduce the programmed airflow curves, leading to comfort problems, higher operating costs, and added wear on the coil and heat exchanger. Install this genuine Lennox motor to restore rated efficiency and reliable, quiet operation.

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 X13 1 HP ECM Blower M...

$99.95

Frequently Asked Questions

Does this Fan Motor fit my Lennox OEM Lennox X13 1 HP ECM Blower Motor — 81W41?

Yes. This is the factory-specified OEM fan motor for the Lennox OEM Lennox X13 1 HP ECM Blower Motor — 81W41. 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 motor on my Lennox OEM Lennox X13 1 HP ECM Blower Motor — 81W41?

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 motor 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 motor?

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 X13 1 HP ECM Blower Motor — 81W41

Shipping Information

Return Policy

Frequently Asked Questions