040-205

This high-grade 4 1/4-inch blower pulley is a critical component for maintaining the efficiency of belt-driven HVAC systems. Designed to facilitate smooth power transfer between the motor and the blower shaft, this pulley helps regulate airflow in both residential and commercial heating and cooling units. If your system is experiencing loud squealing, excessive vibration, or reduced air circulation, a worn drive pulley may be the cause. Featuring a precision-machined 5/8-inch bore, this replacement part ensures a secure fit and reliable rotation, preventing premature belt wear and extending the life of your blower motor assembly. Ideal for routine maintenance or emergency repairs, this durable pulley is built to withstand the rigorous demands of continuous air handler operation.
Type: Blower Pulley
Size: 4 1/4" Diameter
Dimensions: 4.25 in × 4.25 in × Not specified
Application: Used in belt-driven blower assemblies within HVAC systems, rooftop units, furnace fans, and commercial air handlers.
Specifications: 4 1/4-inch outside diameter, 5/8-inch fixed bore, compatible with standard blower belts and drive shafts.