Blower Wheel 4-3/4" Dia x 1-3/4" Wide Fasco 8710-4358 – NBK-20538

Blower Wheel 4-3/4" Dia x 1-3/4" Wide – NBK-20538

The NBK-20538 Blower Wheel is a precision replacement component designed for HVAC blower assemblies and air handling systems. This unit replaces Fasco 8710-4358 and features a 4-3/4 inch diameter and 1-3/4 inch width, providing proper airflow and system balance.

A worn or damaged blower wheel can reduce airflow efficiency and increase vibration or noise. Replacing it restores optimal air movement and helps maintain system performance.

Key Features

• Direct Replacement: Compatible with Fasco 8710-4358
• Diameter: 4-3/4 inches
• Width: 1-3/4 inches
• Balanced Design: Promotes smooth airflow and reduced vibration
• HVAC Application: Suitable for blower and air handler systems

Specifications

• SKU: 20538
• Category: HVAC, Fan Blades
• OEM Brand: Fasco
• Replaces OEM: 8710-4358

Direct Replacement For

• Fasco: 8710-4358

Why Choose NBK-20538?

The NBK-20538 blower wheel ensures proper airflow performance and helps maintain efficient HVAC operation. Replacing worn blower wheels improves system balance, reduces strain on the motor, and supports consistent heating and cooling output.

Installation Tips

• Disconnect power before servicing the blower assembly.
• Inspect the motor shaft and set screw for wear before installation.
• Ensure proper alignment to prevent vibration or imbalance.
• Tighten set screws securely to avoid slippage.
• Test system airflow and listen for abnormal noise after replacement.

Pairs Well With

Blower Motors, Motor Mounting Brackets, Run Capacitors, Fan Housings, HVAC Maintenance Kits

SPECIAL ORDER NOTICE: This item is sourced through our special order program. Please allow 1–2 business days for processing prior to shipment.