Description
The Century 1304A is a precision-engineered shaft adaptor designed to bridge the gap between 5/16″ and 1/2″ motor shafts, making it an essential accessory for HVAC motor replacement and installation projects. When a replacement motor features a different shaft diameter than the original equipment, this adaptor eliminates the need for a full motor swap or custom fabrication — saving time and money on the job.
Key Features
- Converts 5/16″ motor shaft to 1/2″ shaft diameter
- Designed for use with Century and compatible HVAC motors
- Enables quick, cost-effective motor shaft conversions in the field
- Durable construction for long-lasting, reliable performance
- Compact design for easy installation in tight equipment spaces
Common Applications
- HVAC blower and fan motor replacements
- Condenser and evaporator fan motor installations
- General-purpose motor shaft adaptation in heating and cooling equipment
Product Details
- Brand: Century
- SKU: 1304A
- Shaft Input: 5/16″
- Shaft Output: 1/2″
Keep your HVAC motor installations moving forward with the Century 1304A Shaft Adaptor — a simple, reliable solution for common shaft size mismatches in the field.







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