Description
The Trane FAN3748 is an OEM-replacement condenser fan blade engineered to deliver reliable, efficient airflow in Trane HVAC systems. Precisely manufactured to original factory specifications, this blade restores proper system performance and helps maintain optimal heat transfer across the condenser coil.
Key Specifications
- Blade Diameter: 19″
- Blade Pitch: 31 degrees
- Number of Blades: 3
- Rotation Direction: Counter-Clockwise (CCW)
- Bore Size: 1/2″
- Brand: Trane
- Part Number: FAN3748
Product Highlights
- Direct OEM replacement for compatible Trane condensing units
- 31-degree blade pitch optimized for high-volume airflow and efficient heat rejection
- Counter-clockwise rotation matches factory motor and shroud configurations
- 1/2″ bore ensures secure, precise fit on standard condenser fan motor shafts
- Durable construction designed to withstand outdoor operating conditions
- Restores proper airflow balance, protecting compressor and system components
Application
The FAN3748 is designed for use in Trane residential and light commercial condensing units where the original fan blade requires replacement due to damage, wear, or routine maintenance. Always verify compatibility with your specific unit model before installation. Correct blade pitch, diameter, rotation, and bore size are critical to safe and efficient operation.







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