Thermo King U-Bolt Clamp 5/16-18 Stainless Steel 556926
Official OEM Thermo King parts catalog entry for the Thermo King Bolt-U 556926 5/16-18 SS, 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 Bolt-U 556926 5/16-18 SS secures piping and components on Thermo King refrigeration systems with corrosion-resistant stainless steel construction. This U-bolt supports reliable temperature control across transport refrigeration fleets and helps preserve uptime for reefer trailers and refrigerated trucks.
Key Features & Customer Benefits
- Stainless Steel Construction – Delivers corrosion resistance for long-term service life in humid and salt-prone environments across West Texas and the Permian Basin.
- 5/16-18 Thread Size – Matches standard 5/16-18 nuts and hardware for straightforward parts replacement and fleet standardization.
- OEM-Grade Fit – Designed to meet Thermo King mounting practices and support secure attachment of lines and brackets on transport refrigeration units.
- Vibration Resistance – Maintains clamp integrity under road vibration to protect temperature control lines and components from fatigue.
- Serviceability – Simple to inspect and replace during scheduled maintenance to minimize downtime and protect fuel-efficient cooling systems.
Product Details
| Part Number | 556926 |
| Product Name | Thermo King Bolt-U 5/16-18 SS |
| Thread Size | 5/16-18 (5/16 inch, 18 TPI) |
| Material | Stainless Steel (SS) |
| Typical Use | Securing tubing, piping, or brackets on Thermo King refrigeration units |
| Compatibility | Thermo King refrigeration units and mounting points requiring a 5/16-18 U-bolt |
Efficiency & Sustainability
This stainless steel U-bolt supports system efficiency by keeping coolant and refrigerant lines stable and leak-free, helping maintain precise temperature control for cargo. Properly secured lines support fuel-efficient cooling strategies used in Diesel Direct Electric and Smart Reefer SR-4 monitored systems. Using OEM-quality fasteners reduces material waste from premature replacement and supports longer component life across fleets operating in Amarillo, Lubbock, Odessa, and the broader West Texas region.
Installation & Maintenance Tips
Install with matching 5/16-18 nuts and OEM-grade washers. Hand-start threads to avoid cross-threading, then torque to manufacturer-recommended specifications during scheduled service intervals. Inspect U-bolt clamps for corrosion, thread wear, and secure seating whenever refrigeration lines are serviced to protect temperature control integrity.
Real-World Applications
The Thermo King Bolt-U 556926 5/16-18 SS is ideal for reefer trailers, refrigerated box trucks, and transport refrigeration units where robust clamping of evaporator lines, condenser brackets, or mounting hardware is required. This fastener supports the reliability and uptime fleets demand for consistent temperature control during long-haul operation. 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 this U-bolt compatible with Thermo King refrigeration units?
A: Yes. The Bolt-U 556926 5/16-18 SS fits Thermo King mounting points and assemblies that require a 5/16-18 U-bolt thread and stainless steel fastener.
Q: Can this part be used on reefer trailers operating in the Permian Basin?
A: Yes. Stainless steel construction provides corrosion resistance suitable for fleets operating in West Texas environments including the Permian Basin.
Q: What maintenance is recommended?
A: Inspect threads and clamp seating during routine service intervals, replace nuts and washers as needed, and torque to Thermo King specification to maintain secure, vibration-resistant clamping.
Q: Does this part support Smart Reefer SR-4 or Diesel Direct Electric systems?
A: Yes. Secure line mounting helps preserve the operational integrity of temperature control systems such as Smart Reefer SR-4 and Diesel Direct Electric by reducing risk of line movement and wear.
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 Bolt-U 556926 5/16-18 SS, 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 Bolt-U 556926 5/16-18 SS secures piping and components on Thermo King refrigeration systems with corrosion-resistant stainless steel construction. This U-bolt supports reliable temperature control across transport refrigeration fleets and helps preserve uptime for reefer trailers and refrigerated trucks.
Key Features & Customer Benefits
- Stainless Steel Construction – Delivers corrosion resistance for long-term service life in humid and salt-prone environments across West Texas and the Permian Basin.
- 5/16-18 Thread Size – Matches standard 5/16-18 nuts and hardware for straightforward parts replacement and fleet standardization.
- OEM-Grade Fit – Designed to meet Thermo King mounting practices and support secure attachment of lines and brackets on transport refrigeration units.
- Vibration Resistance – Maintains clamp integrity under road vibration to protect temperature control lines and components from fatigue.
- Serviceability – Simple to inspect and replace during scheduled maintenance to minimize downtime and protect fuel-efficient cooling systems.
Product Details
| Part Number | 556926 |
| Product Name | Thermo King Bolt-U 5/16-18 SS |
| Thread Size | 5/16-18 (5/16 inch, 18 TPI) |
| Material | Stainless Steel (SS) |
| Typical Use | Securing tubing, piping, or brackets on Thermo King refrigeration units |
| Compatibility | Thermo King refrigeration units and mounting points requiring a 5/16-18 U-bolt |
Efficiency & Sustainability
This stainless steel U-bolt supports system efficiency by keeping coolant and refrigerant lines stable and leak-free, helping maintain precise temperature control for cargo. Properly secured lines support fuel-efficient cooling strategies used in Diesel Direct Electric and Smart Reefer SR-4 monitored systems. Using OEM-quality fasteners reduces material waste from premature replacement and supports longer component life across fleets operating in Amarillo, Lubbock, Odessa, and the broader West Texas region.
Installation & Maintenance Tips
Install with matching 5/16-18 nuts and OEM-grade washers. Hand-start threads to avoid cross-threading, then torque to manufacturer-recommended specifications during scheduled service intervals. Inspect U-bolt clamps for corrosion, thread wear, and secure seating whenever refrigeration lines are serviced to protect temperature control integrity.
Real-World Applications
The Thermo King Bolt-U 556926 5/16-18 SS is ideal for reefer trailers, refrigerated box trucks, and transport refrigeration units where robust clamping of evaporator lines, condenser brackets, or mounting hardware is required. This fastener supports the reliability and uptime fleets demand for consistent temperature control during long-haul operation. 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 this U-bolt compatible with Thermo King refrigeration units?
A: Yes. The Bolt-U 556926 5/16-18 SS fits Thermo King mounting points and assemblies that require a 5/16-18 U-bolt thread and stainless steel fastener.
Q: Can this part be used on reefer trailers operating in the Permian Basin?
A: Yes. Stainless steel construction provides corrosion resistance suitable for fleets operating in West Texas environments including the Permian Basin.
Q: What maintenance is recommended?
A: Inspect threads and clamp seating during routine service intervals, replace nuts and washers as needed, and torque to Thermo King specification to maintain secure, vibration-resistant clamping.
Q: Does this part support Smart Reefer SR-4 or Diesel Direct Electric systems?
A: Yes. Secure line mounting helps preserve the operational integrity of temperature control systems such as Smart Reefer SR-4 and Diesel Direct Electric by reducing risk of line movement and wear.
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.