Thermo King Zinc-Plated Hex Head Screw 5/16-18 SZN 556146
Official OEM Thermo King parts catalog entry for the Thermo King Screw HH 5/16-18 SZN 556146, 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 5/16-18 SZN 556146 supports Thermo King refrigeration systems and reefer trailer assemblies by providing secure, corrosion-resistant fastening for temperature-critical transport refrigeration components. West Texas Thermo King supplies this OEM screw to maximize uptime and ensure precise fitment across service operations in the Permian Basin and West Texas.
Key Features & Customer Benefits
- 5/16-18 Coarse Thread – Ensures standardized thread engagement with common Thermo King fastener points for reliable mechanical holding.
- Hex Head Design – Enables high-torque installation with socket or wrench for secure fastening in high-vibration refrigeration applications.
- Zinc-Plated Finish – Provides corrosion resistance for extended service life on reefer trailers and refrigerated trucks operating in varied West Texas climates.
- OEM Fitment – Matches Thermo King assembly specifications to maintain temperature control integrity and precise component alignment.
- Service-Ready – Supports rapid replacement during preventive maintenance to minimize downtime and protect temperature-sensitive cargo.
Product Details
| Part Number | 556146 |
| Product Name | Thermo King Screw HH 5/16-18 SZN |
| Thread Size | 5/16-18 |
| Head Type | Hex head |
| Finish | Zinc-plated (corrosion resistance) |
| Manufacturer | Thermo King (OEM) |
| Typical Applications | Transport refrigeration assemblies, reefer trailer hardware, Thermo King unit mounting points |
Efficiency & Sustainability
Using OEM fasteners like the Thermo King Screw HH 5/16-18 SZN 556146 supports reliable operation of Thermo King units, helping maintain fuel-efficient cooling and precise temperature control on Smart Reefer SR-4 and Diesel Direct Electric platforms. Consistent, corrosion-resistant fastening reduces failures and the environmental impact associated with premature component replacement.
Installation & Maintenance Tips
Install per Thermo King service manual specifications and use the recommended torque values for fastener size and assembly. Use OEM-grade washers or thread treatments where specified; inspect fasteners during scheduled maintenance intervals to confirm secure fitment and corrosion-free service life. For high-vibration locations, follow service guidance on locking methods and replacement cadence.
Real-World Applications
This screw serves as a standard fastening solution for transport refrigeration assemblies on reefer trailers and refrigerated trucks, securing panels, brackets, and unit mounting hardware across Thermo King systems used by regional fleets. 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 this screw compatible with common Thermo King unit assemblies?
A: Yes. The 5/16-18 thread and hex head configuration match standard Thermo King fastening points used across many transport refrigeration assemblies and reefer trailer applications.
Q: What finish does this fastener use to resist corrosion?
A: The screw uses a zinc-plated finish to provide corrosion resistance suitable for refrigerated truck and trailering environments.
Q: Can this part be installed during routine service stops?
A: Yes. Certified technicians at West Texas Thermo King install OEM fasteners per Thermo King service procedures to maintain temperature control integrity and reduce downtime.
Q: How can a fleet order this part for multiple units across the Permian Basin?
A: Contact West Texas Thermo King for fleet ordering, availability, and assistance with parts programs for Amarillo, Lubbock, Odessa, and wider West Texas operations.
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 Screw HH 5/16-18 SZN 556146, 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 5/16-18 SZN 556146 supports Thermo King refrigeration systems and reefer trailer assemblies by providing secure, corrosion-resistant fastening for temperature-critical transport refrigeration components. West Texas Thermo King supplies this OEM screw to maximize uptime and ensure precise fitment across service operations in the Permian Basin and West Texas.
Key Features & Customer Benefits
- 5/16-18 Coarse Thread – Ensures standardized thread engagement with common Thermo King fastener points for reliable mechanical holding.
- Hex Head Design – Enables high-torque installation with socket or wrench for secure fastening in high-vibration refrigeration applications.
- Zinc-Plated Finish – Provides corrosion resistance for extended service life on reefer trailers and refrigerated trucks operating in varied West Texas climates.
- OEM Fitment – Matches Thermo King assembly specifications to maintain temperature control integrity and precise component alignment.
- Service-Ready – Supports rapid replacement during preventive maintenance to minimize downtime and protect temperature-sensitive cargo.
Product Details
| Part Number | 556146 |
| Product Name | Thermo King Screw HH 5/16-18 SZN |
| Thread Size | 5/16-18 |
| Head Type | Hex head |
| Finish | Zinc-plated (corrosion resistance) |
| Manufacturer | Thermo King (OEM) |
| Typical Applications | Transport refrigeration assemblies, reefer trailer hardware, Thermo King unit mounting points |
Efficiency & Sustainability
Using OEM fasteners like the Thermo King Screw HH 5/16-18 SZN 556146 supports reliable operation of Thermo King units, helping maintain fuel-efficient cooling and precise temperature control on Smart Reefer SR-4 and Diesel Direct Electric platforms. Consistent, corrosion-resistant fastening reduces failures and the environmental impact associated with premature component replacement.
Installation & Maintenance Tips
Install per Thermo King service manual specifications and use the recommended torque values for fastener size and assembly. Use OEM-grade washers or thread treatments where specified; inspect fasteners during scheduled maintenance intervals to confirm secure fitment and corrosion-free service life. For high-vibration locations, follow service guidance on locking methods and replacement cadence.
Real-World Applications
This screw serves as a standard fastening solution for transport refrigeration assemblies on reefer trailers and refrigerated trucks, securing panels, brackets, and unit mounting hardware across Thermo King systems used by regional fleets. 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 this screw compatible with common Thermo King unit assemblies?
A: Yes. The 5/16-18 thread and hex head configuration match standard Thermo King fastening points used across many transport refrigeration assemblies and reefer trailer applications.
Q: What finish does this fastener use to resist corrosion?
A: The screw uses a zinc-plated finish to provide corrosion resistance suitable for refrigerated truck and trailering environments.
Q: Can this part be installed during routine service stops?
A: Yes. Certified technicians at West Texas Thermo King install OEM fasteners per Thermo King service procedures to maintain temperature control integrity and reduce downtime.
Q: How can a fleet order this part for multiple units across the Permian Basin?
A: Contact West Texas Thermo King for fleet ordering, availability, and assistance with parts programs for Amarillo, Lubbock, Odessa, and wider West Texas operations.
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.
