Carrier KR12KY218 Motor Pulley
The Carrier KR12KY218 Motor Pulley is a precision-engineered OEM replacement part designed for high-demand industrial and commercial HVAC systems. Featuring a 1 3/8 inch bore diameter, this variable speed motor pulley is constructed from heavy-duty steel to ensure long-term structural integrity under constant mechanical stress. As a Factory Authorized Part, the KR12KY218 is specifically balanced to minimize vibration in Carrier packaged units and central air conditioners, preventing premature wear on blower motors and drive belts. This two-groove pulley is compatible with multiple belt profiles, including 3L, 4L, 5L, A, and B designations, offering versatile power transmission options for field technicians. Its CSA listed design guarantees compliance with rigorous safety standards. When high-torque performance and precise belt alignment are required, this blower motor pulley provides the exact tolerances needed to maintain OEM airflow specifications and system static pressure.
Key Benefits
- OEM Reliability: Direct replacement for part number 33605001, ensuring perfect shaft fit and alignment.
- Durable Construction: High-grade steel composition resists cracking and warping in high-heat environments.
- Optimized Performance: Engineered to eliminate "hunting" in variable speed applications for smoother operation.
- Broad Compatibility: Integrated into select Carrier and Bryant RTU models, including the 40RUAA series.
Common Questions
What are the symptoms of a failing motor pulley?
Technicians should look for excessive noise, localized vibration, or uneven belt wear. A damaged or grooved pulley surface will significantly reduce belt life and system efficiency.
How do I verify if this pulley fits my 1 3/8" shaft?
The KR12KY218 features a precise 1.375-inch bore. Always clean the motor shaft with an abrasive cloth and verify the keyway dimensions before attempting installation to ensure a secure seat.
Can this pulley be used with different belt sizes?
Yes, this component is designed to accommodate various groove designations (A, B, 3L, 4L, 5L), providing flexibility during motor swaps or belt drive adjustments.
Carrier KR12KY218 1 3/8" Motor Pulley
Notes
Item is Non Cancelable / Non Returnable
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $401.66
-65%$401.66
$140.58Carrier KR12KY218 Motor Pulley
The Carrier KR12KY218 Motor Pulley is a precision-engineered OEM replacement part designed for high-demand industrial and commercial HVAC systems. Featuring a 1 3/8 inch bore diameter, this variable speed motor pulley is constructed from heavy-duty steel to ensure long-term structural integrity under constant mechanical stress. As a Factory Authorized Part, the KR12KY218 is specifically balanced to minimize vibration in Carrier packaged units and central air conditioners, preventing premature wear on blower motors and drive belts. This two-groove pulley is compatible with multiple belt profiles, including 3L, 4L, 5L, A, and B designations, offering versatile power transmission options for field technicians. Its CSA listed design guarantees compliance with rigorous safety standards. When high-torque performance and precise belt alignment are required, this blower motor pulley provides the exact tolerances needed to maintain OEM airflow specifications and system static pressure.
Key Benefits
- OEM Reliability: Direct replacement for part number 33605001, ensuring perfect shaft fit and alignment.
- Durable Construction: High-grade steel composition resists cracking and warping in high-heat environments.
- Optimized Performance: Engineered to eliminate "hunting" in variable speed applications for smoother operation.
- Broad Compatibility: Integrated into select Carrier and Bryant RTU models, including the 40RUAA series.
Common Questions
What are the symptoms of a failing motor pulley?
Technicians should look for excessive noise, localized vibration, or uneven belt wear. A damaged or grooved pulley surface will significantly reduce belt life and system efficiency.
How do I verify if this pulley fits my 1 3/8" shaft?
The KR12KY218 features a precise 1.375-inch bore. Always clean the motor shaft with an abrasive cloth and verify the keyway dimensions before attempting installation to ensure a secure seat.
Can this pulley be used with different belt sizes?
Yes, this component is designed to accommodate various groove designations (A, B, 3L, 4L, 5L), providing flexibility during motor swaps or belt drive adjustments.
Carrier KR12KY218 1 3/8" Motor Pulley
Notes
Item is Non Cancelable / Non Returnable
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Carrier KR12KY218 Motor Pulley is a precision-engineered OEM replacement part designed for high-demand industrial and commercial HVAC systems. Featuring a 1 3/8 inch bore diameter, this variable speed motor pulley is constructed from heavy-duty steel to ensure long-term structural integrity under constant mechanical stress. As a Factory Authorized Part, the KR12KY218 is specifically balanced to minimize vibration in Carrier packaged units and central air conditioners, preventing premature wear on blower motors and drive belts. This two-groove pulley is compatible with multiple belt profiles, including 3L, 4L, 5L, A, and B designations, offering versatile power transmission options for field technicians. Its CSA listed design guarantees compliance with rigorous safety standards. When high-torque performance and precise belt alignment are required, this blower motor pulley provides the exact tolerances needed to maintain OEM airflow specifications and system static pressure.
Key Benefits
- OEM Reliability: Direct replacement for part number 33605001, ensuring perfect shaft fit and alignment.
- Durable Construction: High-grade steel composition resists cracking and warping in high-heat environments.
- Optimized Performance: Engineered to eliminate "hunting" in variable speed applications for smoother operation.
- Broad Compatibility: Integrated into select Carrier and Bryant RTU models, including the 40RUAA series.
Common Questions
What are the symptoms of a failing motor pulley?
Technicians should look for excessive noise, localized vibration, or uneven belt wear. A damaged or grooved pulley surface will significantly reduce belt life and system efficiency.
How do I verify if this pulley fits my 1 3/8" shaft?
The KR12KY218 features a precise 1.375-inch bore. Always clean the motor shaft with an abrasive cloth and verify the keyway dimensions before attempting installation to ensure a secure seat.
Can this pulley be used with different belt sizes?
Yes, this component is designed to accommodate various groove designations (A, B, 3L, 4L, 5L), providing flexibility during motor swaps or belt drive adjustments.
Carrier KR12KY218 1 3/8" Motor Pulley
Notes
Item is Non Cancelable / Non Returnable
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
