What HP motor do I need for my Lennox unit?

The correct replacement for Lennox model OEM Lennox Motor Shaft — 41G51 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 Motor Shaft — 41G51.

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 Motor Shaft — 41G51

Name: OEM Lennox Motor Shaft — 41G51
Brand: Lennox
SKU: LNX-41G51
Price: 99.95 USD
Availability: InStock

SKU: LNX-41G51 Brand: Lennox

$99.95 $139.95

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

The genuine OEM Lennox 41G51 motor shaft is the drive component that transfers rotational power from the motor to the blower wheel or fan assembly in your Lennox HVAC system. A properly sized and balanced shaft is essential for smooth, vibration-free air movement and long motor life. This shaft is manufactured to Lennox factory tolerances to ensure precise alignment and correct fit within compatible Lennox equipment.

Common failure symptoms: A worn or damaged 41G51 motor shaft can cause excessive vibration, grinding or rattling noises, a wobbling blower wheel, reduced airflow, or a fan that fails to spin freely. Bent, scored, or corroded shafts can also lead to premature bearing wear and eventual motor failure if not addressed.

Why OEM matters: Motor shafts require exact diameter, length, and balance to operate correctly, and only the genuine Lennox 41G51 guarantees the proper specifications for your unit. Aftermarket shafts with slight dimensional differences can create imbalance, noise, and accelerated wear on bearings and the motor. Choose the factory-original part for quiet, reliable, long-lasting performance from 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 Motor Shaft — 41G51

$99.95

Frequently Asked Questions

Does this Fan Motor fit my Lennox OEM Lennox Motor Shaft — 41G51?

Yes. This is the factory-specified OEM fan motor for the Lennox OEM Lennox Motor Shaft — 41G51. 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 Motor Shaft — 41G51?

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.

Menu

OEM Lennox Motor Shaft — 41G51

Shipping Information

Return Policy

Frequently Asked Questions