Description
The Carrier KR11AZ712 is a genuine OEM blower pulley designed to maintain optimal airflow and reliable performance in your Carrier HVAC system. As a critical mechanical component, this pulley helps transmit motor torque to the blower wheel — ensuring consistent and efficient air circulation throughout your ductwork.
Key Features
- OEM-Grade Quality: Manufactured to exact Carrier specifications for reliable compatibility and long-lasting performance.
- Durable Nylon Construction: Built from rugged plastic/nylon material for strength without adding excessive weight.
- 6.5” Diameter Design: Provides the correct mechanical leverage for many blower assemblies.
- 1″ Bore Size: Fits securely on the motor shaft for stable operation.
- Compatible Belt Types: Works with 4L, A, or B type belts — facilitating flexible system maintenance.
- Lightweight: Weighs around 1.35 lb, making it easy to handle and install.
- Factory-Authorized Part: Ensures system safety, performance, and helps maintain OEM warranty.






