Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Dayton Replacement Blower Wheel: Radial, 12 1/4 in Dia, CW/CCW, Steel Wheel, 1 Inlets - Radial Blade Blower Wheels
DaytonRadial Blade Blower Wheels

Dayton Replacement Blower Wheel: Radial, 12 1/4 in Dia, CW/CCW, Steel Wheel, 1 Inlets

The Dayton 3G-OTH-73887 is a radial blade replacement blower wheel with a 12 1/4 in diameter and a 1 3/16 in bore. It is constructed from steel, features CW/CCW rotation, and includes set screws. This wheel is…

SKU 3G-OTH-73887

Brand
Dayton
Item
Replacement Blower Wheel: Radial, 12 1/4 in Dia, CW/CCW, Steel Wheel, 1 Inlets
Category
Radial Blade Blower Wheels
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Dayton
Type
CW/CCW, Steel Wheel
Bore
1 3/16 in
Dia
12 1/4 in
Inlets
1
Includes
Set Screws
Rotation
CW/CCW
Product Type
Replacement Blower Wheel
Compatible with Brand
Dayton
Compatible with Manufacturer Model Number
3C539

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton 3G-OTH-73887 is a radial blade replacement blower wheel with a 12 1/4 in diameter and a 1 3/16 in bore. It is constructed from steel, features CW/CCW rotation, and includes set screws. This wheel is compatible with Dayton brand equipment and part number 3C539.

Frequently Asked Questions

What is the Dayton 2ZB43 replacement blower wheel used for?

The Dayton 2ZB43 radial blade blower wheel is used in industrial HVAC and ventilation systems to move air or gas. It replaces worn or failed wheels in Dayton equipment, restoring airflow in ovens, dryers, and exhaust systems across manufacturing and processing facilities.

What are the specifications of the Dayton 2ZB43 blower wheel?

The Dayton 2ZB43 is a steel radial blower wheel with a 12 1/4 in diameter and a 1 3/16 in bore. It features CW/CCW rotation, one inlet, and includes set screws. It is compatible with Dayton model 3C539 and OEM part 3C539.

Where to buy the Dayton 2ZB43 blower wheel worldwide?

3G Electric supplies the Dayton 2ZB43 replacement blower wheel worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this radial blade wheel.

How to install the Dayton 2ZB43 blower wheel?

To install the Dayton 2ZB43, first ensure power is disconnected. Slide the 1 3/16 in bore onto the motor shaft, align the set screws with the shaft flat, and tighten securely. Verify CW/CCW rotation matches the application before re-energizing the system.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

3G Electric supplies Dayton radial blade blower wheels. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Replacement Blower Wheel: Radial, 22 5/8 in Dia, CW/CCW, Steel Wheel, 1 Inlets, 1 11/16 in Bore
Dayton
Replacement Blower Wheel: Radial, 22 5/8 in Dia, CW/CCW, Steel Wheel, 1 Inlets, 1 11/16 in Bore
Replacement Blower Wheel: Radial, 19 1/8 in Dia, CW/CCW, Steel Wheel, 1 Inlets, 1 7/16 in Bore
Dayton
Replacement Blower Wheel: Radial, 19 1/8 in Dia, CW/CCW, Steel Wheel, 1 Inlets, 1 7/16 in Bore
Replacement Blower Wheel: Radial, 9 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 1/2 in Bore, Center
Dayton
Replacement Blower Wheel: Radial, 9 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 1/2 in Bore, Center
Replacement Blower Wheel: Radial, 13 1/2 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 1 1/8 in Bore
Dayton
Replacement Blower Wheel: Radial, 13 1/2 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 1 1/8 in Bore
Replacement Blower Wheel: Radial, 13 1/2 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 1 in Bore, Center
Dayton
Replacement Blower Wheel: Radial, 13 1/2 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 1 in Bore, Center
Replacement Blower Wheel: Radial, 13 1/2 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 7/8 in Bore
Dayton
Replacement Blower Wheel: Radial, 13 1/2 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 7/8 in Bore

More from Dayton

View all Dayton parts
Replacement Blower Wheel: Radial, 15 5/8 in Dia, CW/CCW, Steel Wheel, 1 Inlets, 1 3/16 in Bore
Dayton
Replacement Blower Wheel: Radial, 15 5/8 in Dia, CW/CCW, Steel Wheel, 1 Inlets, 1 3/16 in Bore
Blower Wheel: Radial, 10 7/8 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 5/8 in Bore, 1,750 RPM Max
Dayton
Blower Wheel: Radial, 10 7/8 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 5/8 in Bore, 1,750 RPM Max
Replacement Blower Wheel: Radial, 12 1/2 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 7/8 in Bore
Dayton
Replacement Blower Wheel: Radial, 12 1/2 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 7/8 in Bore
Blower Wheel: Radial, 7 3/4 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 1/2 in Bore, 1,750 RPM Max
Dayton
Blower Wheel: Radial, 7 3/4 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 1/2 in Bore, 1,750 RPM Max
Replacement Blower Wheel: Radial, 12 1/2 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 5/8 in Bore
Dayton
Replacement Blower Wheel: Radial, 12 1/2 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 5/8 in Bore
Replacement Blower Wheel: Radial, 10 5/8 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 5/8 in Bore
Dayton
Replacement Blower Wheel: Radial, 10 5/8 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 5/8 in Bore
Dayton
Dayton
Blower Wheel: Radial, 26 1/8 in Dia, CW/CCW, Steel Wheel, 1 Inlets, 1 15/16 in Bore, 2,192 RPM Max
Blower Wheel: Radial, 12 1/2 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 1 1/8 in Bore, 3,500 RPM Max
Dayton
Blower Wheel: Radial, 12 1/2 in Dia, CW/CCW, Aluminum Wheel, 1 Inlets, 1 1/8 in Bore, 3,500 RPM Max