Thermo King Hex Head Cap Screw 1/4-20 x 1-1/4 550544
Official OEM Thermo King parts catalog entry for the Thermo King Hex Head Cap Screw 550544, 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 Hex Head Cap Screw 550544 secures critical assemblies in Thermo King refrigeration systems and supports reliable temperature control across transport refrigeration applications. Thermo King refrigeration system compatibility ensures precise fastening where fleet uptime and serviceability matter most.
Thermo King Hex Head Cap Screw 550544 is current, available, and reliable for maintenance and repair of reefer trailers and refrigerated trucks. West Texas Thermo King lists this OEM fastener for fleets in Amarillo, Lubbock, Odessa, and throughout the Permian Basin.
- OEM Fastener Specification – Matches Thermo King thread and length requirements to maintain secure assemblies and consistent mechanical alignment.
- Hex Head Design – Enables high-torque installation with standard sockets for repeatable, precise tightening during scheduled maintenance.
- 1/4-20 UNC Thread – Uses industry-standard coarse threads for secure engagement in typical Thermo King component materials.
- 1-1/4" Length – Provides the correct grip length for panels, brackets, and accessory mounts in Thermo King units requiring this specification.
- Service-Ready Supply – Maintains fleet uptime by providing an OEM-specified replacement when original fasteners require service or inspection.
Product Details
| Part Number | 550544 |
| Product Name | Thermo King Hex Head Cap Screw 1/4-20 x 1-1/4 |
| Thread | 1/4-20 UNC |
| Length | 1-1/4" (under head) |
| Head Type | Hex head cap screw |
| Availability | Current and stocked by West Texas Thermo King |
Using OEM-specified fasteners supports precision assembly and long-term reliability of temperature control equipment. Proper fastening maintains sealing surfaces, vibration resistance, and component alignment—factors that contribute to fuel-efficient cooling across Thermo King platforms such as Smart Reefer SR-4 and Precedent-series units.
Efficiency & Sustainability
Installing Thermo King Hex Head Cap Screw 550544 as specified preserves system integrity that supports fuel-efficient cooling and consistent temperature control in transport refrigeration. Maintaining OEM fasteners contributes to optimized equipment efficiency and aligns with maintenance programs for units monitored by Smart Reefer SR-4 and CARB Evergreen compliance initiatives where applicable.
Installation & Maintenance Tips
Install using the OEM-recommended torque values and tools to ensure secure engagement. Inspect fasteners during scheduled maintenance intervals and replace if thread wear or head damage appears. Use matching OEM washers or retainers when specified by the unit’s parts diagram.
Real-World Applications
Thermo King Hex Head Cap Screw 550544 is used across reefer trailers, refrigerated trucks, and transport refrigeration cabinets wherever a 1/4-20 x 1-1/4 hex head cap screw is required by the OEM parts diagram. It supports reliable mounting of panels, brackets, and service components on Diesel Direct Electric and Precedent S-610M applications. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed by Thermo King 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 this fastener compatible with Thermo King Precedent units?
A: Yes. The Thermo King Hex Head Cap Screw 550544 fits applications that specify a 1/4-20 x 1-1/4 hex head cap screw in Precedent-series maintenance diagrams.
Q: What tool is recommended for installation?
A: Use a properly sized socket or wrench to apply repeatable torque per the unit’s service manual for secure, vibration-resistant fastening.
Q: How does using OEM fasteners affect fleet uptime?
A: Installing OEM-specified fasteners ensures correct fit and fastening integrity, reducing the risk of component loosening and supporting continuous temperature control for transport refrigeration operations.
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 Hex Head Cap Screw 550544, 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 Hex Head Cap Screw 550544 secures critical assemblies in Thermo King refrigeration systems and supports reliable temperature control across transport refrigeration applications. Thermo King refrigeration system compatibility ensures precise fastening where fleet uptime and serviceability matter most.
Thermo King Hex Head Cap Screw 550544 is current, available, and reliable for maintenance and repair of reefer trailers and refrigerated trucks. West Texas Thermo King lists this OEM fastener for fleets in Amarillo, Lubbock, Odessa, and throughout the Permian Basin.
- OEM Fastener Specification – Matches Thermo King thread and length requirements to maintain secure assemblies and consistent mechanical alignment.
- Hex Head Design – Enables high-torque installation with standard sockets for repeatable, precise tightening during scheduled maintenance.
- 1/4-20 UNC Thread – Uses industry-standard coarse threads for secure engagement in typical Thermo King component materials.
- 1-1/4" Length – Provides the correct grip length for panels, brackets, and accessory mounts in Thermo King units requiring this specification.
- Service-Ready Supply – Maintains fleet uptime by providing an OEM-specified replacement when original fasteners require service or inspection.
Product Details
| Part Number | 550544 |
| Product Name | Thermo King Hex Head Cap Screw 1/4-20 x 1-1/4 |
| Thread | 1/4-20 UNC |
| Length | 1-1/4" (under head) |
| Head Type | Hex head cap screw |
| Availability | Current and stocked by West Texas Thermo King |
Using OEM-specified fasteners supports precision assembly and long-term reliability of temperature control equipment. Proper fastening maintains sealing surfaces, vibration resistance, and component alignment—factors that contribute to fuel-efficient cooling across Thermo King platforms such as Smart Reefer SR-4 and Precedent-series units.
Efficiency & Sustainability
Installing Thermo King Hex Head Cap Screw 550544 as specified preserves system integrity that supports fuel-efficient cooling and consistent temperature control in transport refrigeration. Maintaining OEM fasteners contributes to optimized equipment efficiency and aligns with maintenance programs for units monitored by Smart Reefer SR-4 and CARB Evergreen compliance initiatives where applicable.
Installation & Maintenance Tips
Install using the OEM-recommended torque values and tools to ensure secure engagement. Inspect fasteners during scheduled maintenance intervals and replace if thread wear or head damage appears. Use matching OEM washers or retainers when specified by the unit’s parts diagram.
Real-World Applications
Thermo King Hex Head Cap Screw 550544 is used across reefer trailers, refrigerated trucks, and transport refrigeration cabinets wherever a 1/4-20 x 1-1/4 hex head cap screw is required by the OEM parts diagram. It supports reliable mounting of panels, brackets, and service components on Diesel Direct Electric and Precedent S-610M applications. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed by Thermo King 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 this fastener compatible with Thermo King Precedent units?
A: Yes. The Thermo King Hex Head Cap Screw 550544 fits applications that specify a 1/4-20 x 1-1/4 hex head cap screw in Precedent-series maintenance diagrams.
Q: What tool is recommended for installation?
A: Use a properly sized socket or wrench to apply repeatable torque per the unit’s service manual for secure, vibration-resistant fastening.
Q: How does using OEM fasteners affect fleet uptime?
A: Installing OEM-specified fasteners ensures correct fit and fastening integrity, reducing the risk of component loosening and supporting continuous temperature control for transport refrigeration operations.
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.