Thermo King Shaft Key for Refrigeration Unit Couplings 553264
Official OEM Thermo King parts catalog entry for the Thermo King Key 553264, verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King Key 553264 supports Thermo King refrigeration system mechanical assemblies with OEM-grade precision to maintain reliable mechanical engagement in transport refrigeration equipment. This key ensures consistent alignment and secure coupling within reefer unit drivetrains and accessory shafts, supporting uptime for temperature-sensitive freight.
Key Features & Customer Benefits
- OEM Specification – Meets Thermo King engineering tolerances for reliable fit and consistent service life.
 - Precision Fit – Ensures secure engagement between shaft and hub to prevent slippage and preserve temperature control integrity.
 - Durability – Manufactured to withstand repeated service cycles common in heavy-duty transport refrigeration operations.
 - Fleet Uptime – Supports quick replacement during scheduled maintenance to minimize downtime and protect cold-chain loads.
 - Certified Availability – Stocked and supplied through West Texas Thermo King, a certified Thermo King dealership serving fleets across the Southwest.
 
Product Details
| Part Number | 553264 | 
| Product Name | Thermo King Key 553264 | 
| Application | Thermo King refrigeration unit mechanical assemblies; confirm exact fitment with parts catalog or service department | 
| Function | Provides mechanical engagement between rotating components to prevent relative motion and maintain alignment | 
| Availability | Available through West Texas Thermo King parts store and authorized Thermo King dealers | 
Efficiency & Sustainability
Using OEM components like the Thermo King Key 553264 supports consistent temperature control and helps maintain design fuel-efficient cooling characteristics in transport refrigeration units. Proper-fit OEM parts contribute to system efficiency, reduce unnecessary wear, and support compliance efforts such as CARB Evergreen and Smart Reefer SR-4 program goals when installed and serviced to specifications.
Installation & Maintenance Tips
Install the Thermo King Key 553264 during scheduled service intervals or when shaft wear indicators suggest replacement. Ensure keyway and mating surfaces are clean and free of burrs, verify proper seating, and use specified torque values on retained components. Inspect keys for wear or deformation during routine preventive maintenance and replace as needed to preserve mechanical integrity.
Real-World Applications
This key serves refrigerated trailers, refrigerated trucks, and transport refrigeration modules where a secure mechanical coupling is required—supporting fleets that operate Precedent-series units, Diesel Direct Electric configurations, and Smart Reefer-equipped assets. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, please contact us for warranty information or contact the service department for confirmation.
Frequently Asked Questions
Q: Is the Thermo King Key 553264 compatible with Thermo King Precedent units?
A: Compatibility depends on the specific mechanical assembly; this part is an OEM Thermo King key used in refrigeration unit couplings—confirm exact fitment with the parts catalog or the West Texas Thermo King service department.
Q: How does installation affect fleet uptime?
A: Correct installation during scheduled maintenance restores secure coupling, prevents slippage, and helps maintain consistent temperature control, reducing unplanned downtime for refrigerated loads.
Q: Where can fleets in the Permian Basin obtain this part?
A: West Texas Thermo King supplies and installs Thermo King parts across Amarillo, Lubbock, Odessa, and the Permian Basin through certified parts and service channels.
Related Resources
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.
Official OEM Thermo King parts catalog entry for the Thermo King Key 553264, verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King Key 553264 supports Thermo King refrigeration system mechanical assemblies with OEM-grade precision to maintain reliable mechanical engagement in transport refrigeration equipment. This key ensures consistent alignment and secure coupling within reefer unit drivetrains and accessory shafts, supporting uptime for temperature-sensitive freight.
Key Features & Customer Benefits
- OEM Specification – Meets Thermo King engineering tolerances for reliable fit and consistent service life.
 - Precision Fit – Ensures secure engagement between shaft and hub to prevent slippage and preserve temperature control integrity.
 - Durability – Manufactured to withstand repeated service cycles common in heavy-duty transport refrigeration operations.
 - Fleet Uptime – Supports quick replacement during scheduled maintenance to minimize downtime and protect cold-chain loads.
 - Certified Availability – Stocked and supplied through West Texas Thermo King, a certified Thermo King dealership serving fleets across the Southwest.
 
Product Details
| Part Number | 553264 | 
| Product Name | Thermo King Key 553264 | 
| Application | Thermo King refrigeration unit mechanical assemblies; confirm exact fitment with parts catalog or service department | 
| Function | Provides mechanical engagement between rotating components to prevent relative motion and maintain alignment | 
| Availability | Available through West Texas Thermo King parts store and authorized Thermo King dealers | 
Efficiency & Sustainability
Using OEM components like the Thermo King Key 553264 supports consistent temperature control and helps maintain design fuel-efficient cooling characteristics in transport refrigeration units. Proper-fit OEM parts contribute to system efficiency, reduce unnecessary wear, and support compliance efforts such as CARB Evergreen and Smart Reefer SR-4 program goals when installed and serviced to specifications.
Installation & Maintenance Tips
Install the Thermo King Key 553264 during scheduled service intervals or when shaft wear indicators suggest replacement. Ensure keyway and mating surfaces are clean and free of burrs, verify proper seating, and use specified torque values on retained components. Inspect keys for wear or deformation during routine preventive maintenance and replace as needed to preserve mechanical integrity.
Real-World Applications
This key serves refrigerated trailers, refrigerated trucks, and transport refrigeration modules where a secure mechanical coupling is required—supporting fleets that operate Precedent-series units, Diesel Direct Electric configurations, and Smart Reefer-equipped assets. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, please contact us for warranty information or contact the service department for confirmation.
Frequently Asked Questions
Q: Is the Thermo King Key 553264 compatible with Thermo King Precedent units?
A: Compatibility depends on the specific mechanical assembly; this part is an OEM Thermo King key used in refrigeration unit couplings—confirm exact fitment with the parts catalog or the West Texas Thermo King service department.
Q: How does installation affect fleet uptime?
A: Correct installation during scheduled maintenance restores secure coupling, prevents slippage, and helps maintain consistent temperature control, reducing unplanned downtime for refrigerated loads.
Q: Where can fleets in the Permian Basin obtain this part?
A: West Texas Thermo King supplies and installs Thermo King parts across Amarillo, Lubbock, Odessa, and the Permian Basin through certified parts and service channels.
Related Resources
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.