If your condenser fan blade needs replacement, choose a model that matches your unit’s size, bore, and rotation direction. The following five options are suitable for common residential and light commercial condensers, each chosen for compatibility, durability, and ease of installation. This guide helps buyers decide which blade is best for your system, whether you need a direct Goodman replacement or a versatile universal blade.
| Product | Brand | Diameter | Rotation | Notes |
|---|---|---|---|---|
| B1086756 – Goodman Replacement Condenser Fan Blade -3 x 18″ CCW | Goodman | 18″ | CCW | 3 blades; direct Goodman replacement |
| NUOBESTY 16 Inch Aluminum Fan Blade Replacement | NUOBESTY | 16″ | Not specified | Lightweight aluminum; broad compatibility |
| 98M18 Condenser Fan Blade Compatible with Lennox | superbobi | 18″ | CCW | Fits Lennox models and common replacements |
| Condenser Fan Blade – 4 x 18″ CCW | ClimaTek | 18″ | CCW | Four blades; Lennox replacement option |
| Universal Condenser Motor Fan Blade 2 Wing x 18″ | NAHVAC | 18″ | Not specified | Two-wing universal blade |
B1086756 Goodman Replacement Condenser Fan Blade

This is a brand-new replacement fan blade with a 3-blade design, sized at 18 inches in diameter with CCW rotation. It is a direct match for Goodman condenser units needing a 3-blade, 18″ blade. Best for Goodman systems needing a straightforward, factory-style replacement. Caution: verify bore size and rotation direction before purchasing to ensure compatibility with your exact model.
NUOBESTY 16 Inch Aluminum Fan Blade

Conditioned for versatility, this 16-inch aluminum blade fits various floor and pedestal fans and is suitable for commercial and home use. Best for users needing an upgrade with lightweight construction and easy installation. It features a 10mm inner diameter bore and broad compatibility across multiple fan models. Limitation: exact bore fit should be confirmed for your specific motor shaft to avoid loose fits.
98M18 Condenser Fan Blade for Lennox

Designed for Lennox condensers, this 18-inch, 3-blade CCW blade offers a 27-degree pitch and a 1/2-inch bore. It is compatible with Lennox models and several listed replacements, making it a practical choice for Lennox units or their close substitutes. Better for Lennox-based installations; consider a direct Lennox blade if your model is exact. Caution: ensure your system requires CCW rotation and the correct bore size before purchase.
Condenser Fan Blade – 4 x 18″ CCW

This is a four-blade 18-inch CCW condenser fan blade intended as a Lennox replacement (Part # 98M20). It’s best for systems that require a larger, four-blade configuration for enhanced airflow. Choose this if your current blade is 4-blade and you need a direct Lennox replacement. Limitation: not all Lennox models use a 4-blade design—confirm blade count and rotation with your unit.
B1086748S Goodman Replacement Condenser Fan Blade -3 x 22″

This Goodman blade features a 3-blade design with 22-inch diameter, serving as a direct replacement for corresponding Goodman condensers. Best for Goodman systems needing a larger 22″ blade. Caution: verify bore size and exact model compatibility to ensure a proper fit with your motor shaft.
Goodman B1086775SP Condenser Fan Blade 22″

Goodman’s 22-inch blade offers a robust option for larger condensers. It is marketed as a genuine Goodman blade (B1086775SP). Best for larger Goodman units requiring a true replacement part. Limitation: verify exact model and bore to ensure compatibility with your specific condenser assembly.
Buying Guide: Key Purchase Considerations
What blade size do I need? Measure the diameter and confirm the bore size to match the motor shaft. Is the rotation direction critical? Some units require CCW while others require CW. Check your condenser model’s service manual or existing blade for rotation direction.
What blade count should I choose? A three-blade design is common and balanced for many condensers, while some Lennox models use four blades for higher airflow. If unsure, match the blade count to your current unit.
Are there material or weight considerations? Aluminum blades are lightweight and corrosion-resistant, suitable for many environments. Heavier blades can be more durable but may require more motor torque.
How important is the bore compatibility? A precise 1/2-inch or 10mm bore is common. An incorrect bore causes misalignment or mounting issues and can damage the shaft.
How do I verify compatibility with Lennox or Goodman units? Some blades are marketed as direct replacements for specific parts (e.g., Lennox 98M20 or 100060-07). If your model is listed, it’s usually the safest route to choose that replacement.
FAQ
- What blade size is most common for home AC condensers? Most residential condensers use 18-inch blades with varying blade counts and bore sizes; verify your model before buying.
- Is it safe to replace just the blade or should I replace the entire assembly? Replacing the blade is standard when the rest of the condenser is functional; ensure the hub and mounting are intact.
- Can I mix blade brands? It’s best to use a blade compatible with your unit’s brand and model to ensure proper airflow and fit.
- What signs indicate a failing condenser blade? Unusual noises, reduced airflow, or visible damage to the blade are common indicators to replace the blade.
- Do universal blades fit all condensers? Universal blades can fit many models but require careful matching of bore, pitch, and rotation to avoid improper operation.
- How do I install a condenser blade safely? Disconnect power, remove the old blade, align the new blade’s bore with the motor shaft, secure mounting hardware, and test at low speed before full operation.