Thermo King Hex-Head Machine Screw M8 x 1.25 SZN 557393
Official OEM Thermo King parts catalog entry for the Screw-HH M8 x 1.25 SZN 557393, 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 Screw-HH M8 x 1.25 SZN 557393 delivers OEM-grade fastening reliability for Thermo King refrigeration systems, supporting secure assemblies in transport refrigeration and reefer trailer service where precise, dependable hardware preserves system integrity and fleet uptime.
Product Overview
The Thermo King Screw-HH M8 x 1.25 SZN 557393 serves as a genuine OEM hex-head fastener for Thermo King applications that require factory-specified hardware. This component ensures repeatable fit and secure retention in temperature control equipment, contributing to long-term reliability and reduced service interruptions for fleets operating across West Texas and the Permian Basin.
Key Features & Customer Benefits
- OEM Fastener Profile – Ensures consistent fit with Thermo King assemblies for secure, manufacturer-intended connections.
- Precision Thread Form – Promotes reliable engagement and controlled torque for maintenance efficiency and repeatable service outcomes.
- Hex Head Drive – Supports standard workshop tooling for fast, accurate installation during scheduled maintenance.
- Fleet Uptime Focus – OEM-grade fastening reduces risk of vibration-related loosening and supports continuous temperature control operations.
- Regional Availability – Readily sourced and supported locally by West Texas Thermo King to minimize downtime across Amarillo, Lubbock, Odessa, and the Permian Basin.
Product Details
Part Number: 557393 — Product Name: Screw-HH M8 x 1.25 SZN. This Thermo King OEM hex-head screw is intended for use where Thermo King specifies factory hardware. Specific material, strength grade, and finish are provided through Thermo King OEM documentation and verified by certified dealerships and service centers to ensure correct application and safety compliance.
Efficiency & Sustainability
Using Thermo King OEM fasteners like the Screw-HH M8 x 1.25 SZN 557393 supports fuel-efficient cooling and reliable temperature control by maintaining proper mechanical integrity of refrigeration components. When applied with factory-recommended parts and service practices, this fastener helps preserve the performance of systems such as Smart Reefer SR-4 and supports broader fleet efforts toward CARB Evergreen and emissions-aware maintenance strategies.
Installation & Maintenance Tips
Install using the correct torque values and OEM-recommended tools for secure seating. Inspect fasteners during scheduled maintenance intervals and replace with Thermo King OEM components when required. Use compatible clamps, washers, and hardware specified by Thermo King to maintain sealing and mechanical safety.
Real-World Applications
This Thermo King screw supports transport refrigeration assemblies in reefer trailers, refrigerated trucks, and stationary refrigeration units where manufacturer-specified fasteners preserve thermal performance and safety. Technicians in fleet maintenance, mobile service, and depot shops rely on OEM hardware to maintain warranty compliance and service quality.
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 at https://www.trailerservicesofwesttexas.com/contact or contact the service department for confirmation.
Frequently Asked Questions
Q: Is the Screw-HH M8 x 1.25 SZN 557393 compatible with Thermo King refrigeration units?
A: Yes. This item functions as an OEM-specified hex-head fastener intended for Thermo King refrigeration applications where manufacturer hardware is required.
Q: What tools are recommended for installation?
A: Use standard hex-head drivers and appropriate torque control tools per Thermo King service instructions to ensure secure and repeatable installation.
Q: How does using OEM fasteners affect fleet reliability?
A: OEM fasteners promote consistent fit, reduce risk of vibration-related looseness, and support ongoing temperature control reliability across reefer trailers and transport refrigeration units.
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 Screw-HH M8 x 1.25 SZN 557393, 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 Screw-HH M8 x 1.25 SZN 557393 delivers OEM-grade fastening reliability for Thermo King refrigeration systems, supporting secure assemblies in transport refrigeration and reefer trailer service where precise, dependable hardware preserves system integrity and fleet uptime.
Product Overview
The Thermo King Screw-HH M8 x 1.25 SZN 557393 serves as a genuine OEM hex-head fastener for Thermo King applications that require factory-specified hardware. This component ensures repeatable fit and secure retention in temperature control equipment, contributing to long-term reliability and reduced service interruptions for fleets operating across West Texas and the Permian Basin.
Key Features & Customer Benefits
- OEM Fastener Profile – Ensures consistent fit with Thermo King assemblies for secure, manufacturer-intended connections.
- Precision Thread Form – Promotes reliable engagement and controlled torque for maintenance efficiency and repeatable service outcomes.
- Hex Head Drive – Supports standard workshop tooling for fast, accurate installation during scheduled maintenance.
- Fleet Uptime Focus – OEM-grade fastening reduces risk of vibration-related loosening and supports continuous temperature control operations.
- Regional Availability – Readily sourced and supported locally by West Texas Thermo King to minimize downtime across Amarillo, Lubbock, Odessa, and the Permian Basin.
Product Details
Part Number: 557393 — Product Name: Screw-HH M8 x 1.25 SZN. This Thermo King OEM hex-head screw is intended for use where Thermo King specifies factory hardware. Specific material, strength grade, and finish are provided through Thermo King OEM documentation and verified by certified dealerships and service centers to ensure correct application and safety compliance.
Efficiency & Sustainability
Using Thermo King OEM fasteners like the Screw-HH M8 x 1.25 SZN 557393 supports fuel-efficient cooling and reliable temperature control by maintaining proper mechanical integrity of refrigeration components. When applied with factory-recommended parts and service practices, this fastener helps preserve the performance of systems such as Smart Reefer SR-4 and supports broader fleet efforts toward CARB Evergreen and emissions-aware maintenance strategies.
Installation & Maintenance Tips
Install using the correct torque values and OEM-recommended tools for secure seating. Inspect fasteners during scheduled maintenance intervals and replace with Thermo King OEM components when required. Use compatible clamps, washers, and hardware specified by Thermo King to maintain sealing and mechanical safety.
Real-World Applications
This Thermo King screw supports transport refrigeration assemblies in reefer trailers, refrigerated trucks, and stationary refrigeration units where manufacturer-specified fasteners preserve thermal performance and safety. Technicians in fleet maintenance, mobile service, and depot shops rely on OEM hardware to maintain warranty compliance and service quality.
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 at https://www.trailerservicesofwesttexas.com/contact or contact the service department for confirmation.
Frequently Asked Questions
Q: Is the Screw-HH M8 x 1.25 SZN 557393 compatible with Thermo King refrigeration units?
A: Yes. This item functions as an OEM-specified hex-head fastener intended for Thermo King refrigeration applications where manufacturer hardware is required.
Q: What tools are recommended for installation?
A: Use standard hex-head drivers and appropriate torque control tools per Thermo King service instructions to ensure secure and repeatable installation.
Q: How does using OEM fasteners affect fleet reliability?
A: OEM fasteners promote consistent fit, reduce risk of vibration-related looseness, and support ongoing temperature control reliability across reefer trailers and transport refrigeration units.
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.
