Carrier 33605312 Motor Pulley 320788-703 Universal Compatibility: This 1/2-inch bore

Universal Compatibility: This 1/2-inch bore unit serves as a direct replacement for both 98M18 and 98M1801 part numbers

the channel provides the mechanical rigidity necessary to minimize harmonic vibration and prevent premature bearing wear

ensuring immediate discharge of air and non-condensable gases during cold startups

the 71M28 is the current OEM replacement kit for MCC1-1 control boards found in many rooftop and packaged units

Carrier 33605312 Motor Pulley 320788-703 Universal Compatibility: This 1/2-inch boreThe Carrier 33605312 Motor Pulley is a precision engineered fixed bore drive component designed for specific Carrier commercial HVAC blower assemblies. This single groove pulley is cast from high grade iron to ensure long term durability and resistance to wear under high torque applications. When replacing this part, technicians must verify the bore diameter and belt profile (typically A or B section) to maintain proper static pressure and airflow