040-278

This high-quality 3-inch motor pulley is a critical component for belt-driven blower assemblies in residential and commercial HVAC systems. Designed with a precise 1/2-inch shaft bore, this pulley ensures efficient power transmission from the drive motor to the blower fan, maintaining optimal airflow and system performance. If your air handler or furnace blower is experiencing excessive vibration, belt slippage, or loud squealing noises, a worn pulley may be the culprit. This durable replacement part is engineered to provide a secure fit on standard motor shafts, helping to extend the life of your blower belts and restore quiet, efficient operation to your heating and cooling equipment.
Type: Blower Motor Pulley
Size: Medium / 3-inch Outer Diameter
Dimensions: 3 inches × 3 inches × Not specified
Application: Used in belt-driven HVAC blower assemblies, furnace air handlers, and central air conditioning units to transfer power from the motor to the fan system.
Specifications: 3-inch Outside Diameter (OD), 1/2-inch Shaft Size (Bore), compatible with standard blower belts.