Fan Blades

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Lennox 71W99 3 Blade CW 26 Pitch Fan Blade

Lennox

MSRP: $155.94

Now: $120.50

3 Blade CW 26 Pitch Fan Blade FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $155.94

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Lennox 60905 14dia CW 1/2"Bore 3 Fan Blades

Lennox

MSRP: $103.92

Now: $80.30

14dia CW 1/2"Bore 3 Fan Blades FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements

MSRP: $103.92

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Lennox 57C81 24"DIA Fan 3 Blade 1/2" Bore

Lennox

MSRP: $178.81

Now: $138.17

24"DIA Fan 3 Blade 1/2" Bore FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $178.81

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Lennox 56M80 Fan Blade 1/2"bore 22"Dia 3blad

Lennox

MSRP: $118.75

Now: $91.76

Fan Blade 1/2"bore 22"Dia 3blad FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $118.75

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Lennox 45C51 1/2"Bore 24"Dia Fan Blade 4B

Lennox

MSRP: $163.12

Now: $126.05

1/2"Bore 24"Dia Fan Blade 4B FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $163.12

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Lennox 36G80 24" 3-Blade Fan, 1/2"Bore

Lennox

MSRP: $112.58

Now: $86.99

24" 3-Blade Fan, 1/2"Bore FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $112.58

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Lennox 36A74 1/2"Bore 20"Diameter, 4Blade

Lennox

MSRP: $75.60

Now: $58.42

1/2"Bore 20"Diameter, 4Blade FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $75.60

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Lennox 33G06 20" 4-Blade Fan 1/2"Bore

Lennox

MSRP: $461.54

Now: $349.65

20" 4-Blade Fan 1/2"Bore FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements

MSRP: $461.54

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Lennox 31G67 12"dia 9"wide 1/2"Bore CW Wheel

Lennox

MSRP: $293.14

Now: $226.52

12"dia 9"wide 1/2"Bore CW Wheel FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $293.14

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Lennox 28G53 20" 5 Blade Fan; 1/2"Bore

Lennox

MSRP: $200.94

Now: $155.27

20" 5 Blade Fan; 1/2"Bore FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements

MSRP: $200.94

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Lennox 27K60 10" Fan 4-BLADE 5/16" Bore

Lennox

MSRP: $144.31

Now: $111.51

Lennox 27K60 10" Fan 4-BLADE 5/16" Bore FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $144.31

Now: $111.51

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Lennox 24L20 20dia CW 1/2"Bore 4 Fan blades

Lennox

MSRP: $364.12

Now: $281.37

20dia CW 1/2"Bore 4 Fan blades FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $364.12

Now: $281.37

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Lennox 23G83 24dia CCW 1/2"Bore 4 Fanblades

Lennox

MSRP: $265.95

Now: $205.50

24dia CCW 1/2"Bore 4 Fanblades FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements

MSRP: $265.95

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Lennox 11W83 1/2"Bore,22"Diameter,3 Blade Fan

Lennox

MSRP: $174.88

Now: $135.14

1/2"Bore,22"Diameter,3 Blade Fan FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $174.88

Now: $135.14

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Carrier LA680613 26" Fan Blade, 1/2" Bore, CW

Carrier

MSRP: $220.39

Now: $170.30

26" Fan Blade, 1/2" Bore, CW FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $220.39

Now: $170.30

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Carrier LA680562 26dia CW .62" Bore 3 Fan Blades

Carrier

MSRP: $76.89

Now: $59.42

26dia CW .62" Bore 3 Fan Blades FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements

MSRP: $76.89

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Carrier LA680556 3Blade 22in 1/2" Bore Condenser Fan

Carrier

MSRP: $331.07

Now: $255.83

3Blade 22in 1/2" Bore Condenser Fan FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $331.07

Now: $255.83

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Carrier LA680547 13dia CW 1/2" Bore 5 Fan Blades

Carrier

MSRP: $174.74

Now: $135.02

13dia CW 1/2" Bore 5 Fan Blades FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $174.74

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Carrier LA680546 4-Blade Condenser Fan Blade

Carrier

MSRP: $253.16

Now: $195.62

4-Blade Condenser Fan Blade FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements

MSRP: $253.16

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Carrier LA680540 22dia CW 1/2" Bore 5 Fan Blades

Carrier

MSRP: $258.18

Now: $195.59

22dia CW 1/2" Bore 5 Fan Blades FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements

MSRP: $258.18

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Shop HVAC fan blades, AC fan blade replacements, condenser fan blades, and blower fan blades for compatible heating and cooling systems. Match your existing part number, equipment model, blade diameter, bore size, blade count, pitch, and rotation direction before ordering. Furnace Part Source carries replacement fan blades from brands such as Carrier, Trane, Lennox, Rheem-Ruud, Bard HVAC, Mitsubishi Electric, Packard, Sterling HVAC, Daikin-McQuay, and more.

HVAC Fan Blades for AC Condensers and Air Handling Equipment

HVAC fan blades help move air through compatible heating and cooling equipment. In air conditioning systems, condenser fan blades work with the fan motor to pull air across the outdoor coil and release heat from the system. In air handlers and other HVAC air-moving assemblies, the correct replacement blade helps maintain proper airflow through the cabinet or related components.

Furnace Part Source carries replacement HVAC fan blades for a range of AC units, condensers, air handlers, and compatible equipment. To find the right replacement, match the original part number, equipment model, blade diameter, bore size, blade count, pitch, and rotation direction before ordering.

How to Choose the Right Replacement Fan Blade

The right HVAC fan blade must match the original blade as closely as possible. Fan blades are built around specific equipment requirements, so small differences in size, bore, blade count, pitch, or rotation direction can affect fit and airflow. Before ordering, compare the replacement blade with the part number, equipment model, and markings on your existing fan blade.

Match the OEM Part Number

Start with the OEM part number from the old fan blade, equipment label, service manual, or parts diagram. The part number is usually the best way to confirm whether a fan blade is a direct replacement or a compatible substitute for the original part.

Confirm Diameter, Bore Size, and Blade Count

Check the blade diameter, center bore size, and number of blades before ordering. The diameter must fit inside the fan shroud or housing, and the bore size must match the fan motor shaft. Blade count also matters because three-blade, four-blade, and five-blade designs may move air differently.

Check Rotation Direction and Blade Pitch

Review the rotation direction and blade pitch listed on the product or stamped on the original blade. Clockwise and counterclockwise fan blades are not interchangeable in most HVAC applications. The blade pitch also affects airflow, so the replacement should match the original specifications whenever possible.

Clockwise vs. Counterclockwise Fan Blade Rotation

Fan blade rotation must match the original blade and motor configuration. HVAC fan blades may be marked for clockwise rotation, often shown as CW, or counterclockwise rotation, often shown as CCW. The correct rotation direction helps the blade move air through the condenser, blower assembly, or HVAC cabinet as intended.

A fan blade with the wrong rotation direction can reduce airflow, create noise or vibration, and place extra strain on the fan motor. Before ordering, check the rotation marking on the old blade, product label, motor direction, or equipment parts diagram. Match the replacement blade to the original rotation direction whenever possible.

Metal vs. Plastic HVAC Fan Blades

HVAC fan blades may be made from metal, plastic, or composite materials depending on the equipment design. Metal fan blades are often used in condenser units and other applications where durability, airflow demand, and heat exposure are important. Plastic or composite fan blades may be used in lighter-duty applications where weight, corrosion resistance, or equipment design calls for a non-metal blade.

The best replacement is not based on material alone. Match the original fan blade specifications, including part number, diameter, bore size, blade count, pitch, rotation direction, and mounting style. Replacing a metal blade with a plastic blade, or a plastic blade with a metal blade, should only be done when the replacement part is confirmed as compatible with the equipment.

When to Replace an HVAC Fan Blade

An HVAC fan blade should be replaced when damage affects fit, balance, airflow, or safe operation. A bent, cracked, broken, or loose blade can create vibration, noise, reduced airflow, and extra strain on the fan motor. Even a small change in blade shape or balance can affect how air moves through the condenser, blower assembly, or HVAC cabinet.

Before replacing the blade, check nearby parts as well. Weak airflow, startup problems, or unusual noise can also come from a failing fan motor, worn capacitor, loose mounting hardware, or debris inside the fan housing. If the blade is damaged, match the replacement by part number, diameter, bore size, blade count, pitch, and rotation direction.

Replace the fan blade if it is bent, cracked, chipped, or broken.

Replace the blade if the hub or mounting area is damaged.

Check for vibration, wobbling, scraping, or unusual noise while the fan runs.

Look for signs that the blade is rubbing the shroud, grille, or housing.

Inspect the fan motor, capacitor, and mounting hardware if airflow or startup problems continue.

HVAC Fan Blade Brands Available

Furnace Part Source carries HVAC fan blades and AC fan blade replacements from many leading heating and cooling equipment brands. Available options may include replacement fan blades for Carrier, Trane, Lennox, Rheem-Ruud, Bard HVAC, Mitsubishi Electric, Packard, Sterling HVAC, Daikin-McQuay, Lau, and other HVAC manufacturers.

Because fan blades are often built for specific equipment models and motor configurations, always confirm the brand, part number, blade diameter, bore size, pitch, blade count, and rotation direction before ordering. Similar-looking blades may not fit or move air correctly if the specifications do not match the original part.

Related HVAC Parts to Check

If you are replacing an HVAC fan blade, check the nearby parts that help the fan assembly run correctly. A damaged blade can cause vibration, noise, and weak airflow, but similar symptoms can also come from a worn fan motor, weak capacitor, loose mounting hardware, or electrical issue.

Before installing a replacement fan blade, inspect the fan motor shaft, hub connection, mounting hardware, fan shroud, and wiring. If the blade is damaged because it struck the grille, housing, or debris, correct the cause before running the system again. Matching the right fan blade and checking related parts can help prevent repeat damage and poor airflow.

Check the fan motor for shaft wear, overheating, or startup problems.

Inspect the capacitor if the fan struggles to start or runs inconsistently.

Look for loose mounting hardware around the blade, hub, motor, or grille.

Check the fan shroud or housing for rubbing, bending, or clearance issues.

Inspect wiring and electrical connections if the fan does not run.

HVAC Fan Blade FAQs

How do I choose the right HVAC fan blade?

Choose a replacement HVAC fan blade by matching the original part number, equipment model, blade diameter, bore size, blade count, pitch, and rotation direction. Fan blades are fitment-sensitive, so the replacement should match the original specifications whenever possible.

How do I measure a replacement fan blade?

Measure the overall blade diameter from tip to tip across the center of the blade. You should also check the center bore size, blade count, hub style, pitch, and rotation direction. Compare these measurements with the original blade and equipment documentation before ordering.

What does bore size mean on a fan blade?

Bore size is the diameter of the center hole that fits over the fan motor shaft. The bore must match the motor shaft size so the blade can mount securely and rotate correctly.

What does CW or CCW mean on an HVAC fan blade?

CW means clockwise rotation, and CCW means counterclockwise rotation. The replacement fan blade should match the original rotation direction and motor configuration so it moves air in the correct direction.

Are metal or plastic HVAC fan blades better?

Neither material is automatically better for every system. Metal, plastic, and composite fan blades are used in different HVAC applications. The best replacement is the one that matches the original part number, material, diameter, bore size, blade count, pitch, and rotation direction.

Can I replace an AC fan blade without replacing the motor?

In some cases, yes. If the fan motor is working properly and only the blade is bent, cracked, broken, or out of balance, the blade may be replaced by itself. If the motor is noisy, overheating, seized, or struggling to start, inspect the motor and related electrical parts before replacing only the blade.

What happens if I install the wrong fan blade?

The wrong fan blade can reduce airflow, create vibration, make noise, strain the fan motor, or interfere with the shroud or housing. Always match the original blade specifications before ordering a replacement.

When should an HVAC fan blade be replaced?

Replace an HVAC fan blade if it is bent, cracked, chipped, broken, loose at the hub, rubbing the housing, or causing vibration. You should also inspect the motor, capacitor, mounting hardware, and shroud if airflow or startup problems continue.

Need Help Finding the Right HVAC Fan Blade?

Before ordering a replacement HVAC fan blade, compare the part number, equipment model, blade diameter, bore size, blade count, pitch, rotation direction, and mounting style. These details help confirm whether the fan blade will fit the motor shaft, clear the shroud or housing, and move air in the correct direction.

If your original fan blade is damaged, missing a readable label, or difficult to identify, Furnace Part Source can help you look for a compatible replacement. Contact us with the equipment brand, model number, existing part number, and any measurements or markings from the old fan blade.

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