Thermo King Hex Head Cap Screw M8 x 1.25 125mm SS 556987
Official OEM Thermo King parts catalog entry for the Screw-HH M8 x 125 SS 556987, 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 125 SS 556987 delivers OEM-grade fastening reliability for temperature-controlled fleets. Engineered to support Thermo King refrigeration system assemblies, this stainless steel hex head cap screw ensures corrosion resistance and secure connections in demanding reefer operations.
Key Features & Customer Benefits
- Stainless Steel Construction – Provides corrosion resistance for long service life in refrigerated and outdoor environments common to reefer trailers.
- M8 x 1.25 Metric Thread – Matches Thermo King metric fastening standards for reliable assembly and repeatable torque control.
- 125 mm Length – Offers deep engagement where extended reach and strong clamp force are required in chassis and refrigeration mounts.
- Hex Head Design – Enables secure installation with standard 13 mm wrenches or socket tools for quick maintenance turnaround.
- OEM Fitment – Installs into Thermo King transport refrigeration assemblies to maintain factory tolerances and uptime.
- Fleet-Ready Durability – Supports consistent temperature control and reduced downtime through precision fastening.
Product Details
| Part Number | 556987 |
| Product Name | Screw-HH M8 x 125 SS |
| Material | Stainless steel |
| Thread | M8 x 1.25 mm |
| Length | 125 mm |
| Head Type | Hex head cap screw |
| Compatibility | Thermo King refrigeration units and transport refrigeration assemblies |
Efficiency & Sustainability
This stainless steel fastener supports fuel-efficient cooling and consistent temperature control by maintaining secure mechanical joints that prevent vibration-related looseness and leaks. Using OEM-grade components helps fleets meet service intervals, reduce part turnover, and preserve system efficiency across Smart Reefer and legacy Thermo King installations.
Installation & Maintenance Tips
Follow Thermo King OEM torque specifications and assembly procedures when installing this screw. Inspect fasteners during scheduled maintenance intervals and replace if corrosion or thread damage appears. Use recommended washers and thread-locking compounds only when specified by Thermo King service literature.
Real-World Applications
The Screw-HH M8 x 125 SS 556987 secures refrigeration modules, mounting brackets, and structural connections on reefer trailers, refrigerated trucks, and transport refrigeration units. It performs reliably across regional operating conditions, supporting continuous temperature control for perishable loads. 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 call the service department for confirmation.
Frequently Asked Questions
Q: Is this screw compatible with Thermo King refrigeration units?
A: Yes. The Screw-HH M8 x 125 SS 556987 is designed for use in Thermo King transport refrigeration assemblies and for OEM-standard fastening applications.
Q: What material is this fastener made from?
A: This part is stainless steel to resist corrosion in refrigerated and outdoor service environments common to reefer trailers.
Q: Can fleets install this during routine maintenance?
A: Yes. Technicians install this screw during scheduled service intervals using Thermo King torque and assembly guidelines to ensure correct fit and performance.
Q: Who verifies authenticity of the part?
A: West Texas Thermo King, a certified Thermo King dealership, verifies OEM parts and provides parts support for fleet operators across the Southwest.
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 125 SS 556987, 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 125 SS 556987 delivers OEM-grade fastening reliability for temperature-controlled fleets. Engineered to support Thermo King refrigeration system assemblies, this stainless steel hex head cap screw ensures corrosion resistance and secure connections in demanding reefer operations.
Key Features & Customer Benefits
- Stainless Steel Construction – Provides corrosion resistance for long service life in refrigerated and outdoor environments common to reefer trailers.
- M8 x 1.25 Metric Thread – Matches Thermo King metric fastening standards for reliable assembly and repeatable torque control.
- 125 mm Length – Offers deep engagement where extended reach and strong clamp force are required in chassis and refrigeration mounts.
- Hex Head Design – Enables secure installation with standard 13 mm wrenches or socket tools for quick maintenance turnaround.
- OEM Fitment – Installs into Thermo King transport refrigeration assemblies to maintain factory tolerances and uptime.
- Fleet-Ready Durability – Supports consistent temperature control and reduced downtime through precision fastening.
Product Details
| Part Number | 556987 |
| Product Name | Screw-HH M8 x 125 SS |
| Material | Stainless steel |
| Thread | M8 x 1.25 mm |
| Length | 125 mm |
| Head Type | Hex head cap screw |
| Compatibility | Thermo King refrigeration units and transport refrigeration assemblies |
Efficiency & Sustainability
This stainless steel fastener supports fuel-efficient cooling and consistent temperature control by maintaining secure mechanical joints that prevent vibration-related looseness and leaks. Using OEM-grade components helps fleets meet service intervals, reduce part turnover, and preserve system efficiency across Smart Reefer and legacy Thermo King installations.
Installation & Maintenance Tips
Follow Thermo King OEM torque specifications and assembly procedures when installing this screw. Inspect fasteners during scheduled maintenance intervals and replace if corrosion or thread damage appears. Use recommended washers and thread-locking compounds only when specified by Thermo King service literature.
Real-World Applications
The Screw-HH M8 x 125 SS 556987 secures refrigeration modules, mounting brackets, and structural connections on reefer trailers, refrigerated trucks, and transport refrigeration units. It performs reliably across regional operating conditions, supporting continuous temperature control for perishable loads. 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 call the service department for confirmation.
Frequently Asked Questions
Q: Is this screw compatible with Thermo King refrigeration units?
A: Yes. The Screw-HH M8 x 125 SS 556987 is designed for use in Thermo King transport refrigeration assemblies and for OEM-standard fastening applications.
Q: What material is this fastener made from?
A: This part is stainless steel to resist corrosion in refrigerated and outdoor service environments common to reefer trailers.
Q: Can fleets install this during routine maintenance?
A: Yes. Technicians install this screw during scheduled service intervals using Thermo King torque and assembly guidelines to ensure correct fit and performance.
Q: Who verifies authenticity of the part?
A: West Texas Thermo King, a certified Thermo King dealership, verifies OEM parts and provides parts support for fleet operators across the Southwest.
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.