Carrier KR51BG915 Blower Pulley 318820-201 the 8402-074BX is identical to

the 8402-074BX is identical to 8402-074 and serves as the direct boxed replacement for obsolete 8402-060 models

OEM Compatibility: Specifically engineered for Utica-Dunkirk hydronic heating systems

Standard Fitting Sizes: Features 1/2" inlet and 3/4" outlet threading for straightforward installation into existing gas lines

Universal Mounting: Features terminals mounted in four different positions and a 4-way dial for easy integration into existing enclosures

Carrier KR51BG915 Blower Pulley 318820-201 the 8402-074BX is identical toThe Carrier KR51BG915 Blower Pulley is a precision engineered fixed bore drive component designed for specific integration within Carrier, Bryant, and Payne commercial HVAC air handlers. This heavy duty single groove pulley is manufactured to exact OEM tolerances, ensuring optimal belt alignment and consistent torque transmission across the drive assembly. When performing field replacements or preventative maintenance on belt drive blowers, selecting