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Dayton 6366465 replacement blower wheel, closed base design

Dayton

Dayton 6366465 Replacement Blower Wheel

SKU CH-PK06-X5JHK

Replacement blower wheel with 3/4 inch bore fits multiple Dayton fan models

  • Product typeClosed Base
  • Direct replacement for Dayton blowers with 3/4 inch bore
  • Closed-base design adds rigidity for stable airflow
  • Compatible with Grainger part numbers including 16D525 and 16D543
  • Matches manufacturer model numbers 1MBE9 and 33X836
  • Fits multiple Dayton models such as 3ATU2 and 4YU96

Direct Replacement Blower Wheel

The Dayton 6366465 blower wheel serves as a direct replacement for worn or damaged wheels in compatible Dayton blower assemblies. It features a closed-base design and a 3/4 inch bore diameter for a secure fit on the motor shaft. Maintenance technicians and facility managers use this part to restore airflow performance in HVAC and ventilation equipment without replacing the entire motor assembly.

Restores Original Airflow Performance

This wheel replaces original equipment wheels bearing Grainger part numbers such as 16D525, 16D543, 33X836, and 1MBE9 among others. The upgrade is worth it when vibration, reduced output, or physical damage to the original wheel degrades system efficiency. Swapping only the wheel avoids the cost and downtime of a full blower motor replacement while returning the unit to its rated airflow capacity.

Closed-Base Design Constraint

The closed-base construction limits use to motor shafts matching the 3/4 inch bore specification; it cannot accommodate larger or smaller shaft sizes without an adapter. Compatibility is restricted to the specific Dayton and Grainger model numbers listed in the specifications. Installers must verify the exact model number of the existing assembly before purchase to ensure proper fit and balance.

How it compares

Measured against everything we stock in Fan Motors, Parts & Clip-On Fans, at today’s prices. Recalculated every night.

Price $254.99
Pricier than about 83% of the 473 comparable items (median $38.99).

Specifications

Product
Brand nameDAYTON
Product typeClosed Base

Questions about this item

What bore diameter does the Dayton 6366465 blower wheel need to fit onto my motor shaft?

The wheel has a 3/4 in bore diameter, so it fits a 3/4 in motor shaft directly.

How do I install this closed-base blower wheel and what step is often missed?

Slide the wheel onto the shaft, align the set screw with the flat on the shaft, then tighten the set screw firmly; the missed step is forgetting to locate the flat before tightening.

When should I plan to replace this blower wheel again?

Replace it if the blades become bent, coated with heavy dust that cannot be cleaned, or if vibration appears during operation.

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