Thermo King OEM Locking Hex Nut M8 SZN Refrigeration Systems 557006
Official OEM Thermo King parts catalog entry for the Thermo King Nut-Hex-Lock M8 SZN, 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 Nut-Hex-Lock M8 SZN delivers OEM-grade reliability for Thermo King refrigeration systems, providing a secure, vibration-resistant fastening solution that supports uptime across transport refrigeration and reefer trailer fleets operating in West Texas and the Permian Basin.
Product Overview
The Thermo King Nut-Hex-Lock M8 SZN (Part Number 557006) is a manufacturer-specified locking hex nut with an M8 thread. It ensures secure connections on temperature-control assemblies and components where vibration resistance and long-term retention matter for fleet operations in Amarillo, Lubbock, Odessa, and surrounding regions.
Key Features & Customer Benefits
- OEM Part Number 557006 – Confirms authenticity and direct fitment for Thermo King service procedures.
- M8 Thread – Matches standard M8 fasteners for secure integration into reefer hardware assemblies.
- Locking Design – Minimizes fastener loosening under vibration to protect temperature control integrity and reduce downtime.
- Service-Ready – Supports routine maintenance and fast replacement in field or shop environments to restore reliability quickly.
- Fleet Uptime Focus – Helps maintain secure mechanical joins that contribute to consistent temperature control and reduced cargo risk.
Product Details
| Part Number | 557006 |
| Product Name | Thermo King Nut-Hex-Lock M8 SZN |
| Thread | M8 |
| Locking Feature | Yes (locking hex nut; type not specified in catalog) |
| Manufacturer | Thermo King (OEM) |
| Compatibility | Thermo King transport refrigeration systems — verify model-specific fitment with parts manual or certified technician |
Efficiency & Sustainability
When installed to OEM specifications, secure fasteners like the Nut-Hex-Lock M8 SZN support fuel-efficient cooling and consistent thermal control by maintaining proper assembly alignment and sealing. This reliability contributes to reduced service interventions and supports long-term operational efficiency for units such as Smart Reefer SR-4 and Precedent-series equipment in CARB Evergreen and transport refrigeration fleets.
Installation & Maintenance Tips
Follow Thermo King torque and installation guidance for secure fitment. Inspect locking features during scheduled maintenance intervals and replace nuts showing wear or loss of locking function. Use OEM-grade tools and certified Thermo King technicians for critical assemblies to preserve warranty and safety standards.
Real-World Applications
The Thermo King Nut-Hex-Lock M8 SZN fits fastening locations on reefer trailers, refrigerated trucks, and transport refrigeration components where vibration resistance ensures consistent temperature control. Fleets in Amarillo, Lubbock, Odessa, and across West Texas rely on authentic Thermo King parts to protect perishable cargo and optimize return on investment.
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 reach the service department for confirmation.
Frequently Asked Questions
Q: Is this nut compatible with Thermo King Precedent and Smart Reefer units?
A: Compatibility depends on the specific assembly. Part Number 557006 is an OEM Thermo King locking hex nut used across transport refrigeration systems; verify model-specific fitment with the official parts manual or certified technician.
Q: How should technicians install this locking nut?
A: Install to Thermo King torque specifications and inspect the locking element during scheduled maintenance. Use OEM tools and approved procedures to ensure secure fastening and maintain system reliability.
Q: Where can fleets source authentic Thermo King parts in West Texas?
A: West Texas Thermo King, a certified Thermo King dealership, supplies OEM parts and service for fleets across the Permian Basin and surrounding areas. Call the parts desk for availability and fitment guidance.
Q: Does this nut require special handling or storage?
A: Store in a clean, dry area with other OEM fasteners and follow standard inventory practices to prevent corrosion and preserve locking integrity.
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 Nut-Hex-Lock M8 SZN, 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 Nut-Hex-Lock M8 SZN delivers OEM-grade reliability for Thermo King refrigeration systems, providing a secure, vibration-resistant fastening solution that supports uptime across transport refrigeration and reefer trailer fleets operating in West Texas and the Permian Basin.
Product Overview
The Thermo King Nut-Hex-Lock M8 SZN (Part Number 557006) is a manufacturer-specified locking hex nut with an M8 thread. It ensures secure connections on temperature-control assemblies and components where vibration resistance and long-term retention matter for fleet operations in Amarillo, Lubbock, Odessa, and surrounding regions.
Key Features & Customer Benefits
- OEM Part Number 557006 – Confirms authenticity and direct fitment for Thermo King service procedures.
- M8 Thread – Matches standard M8 fasteners for secure integration into reefer hardware assemblies.
- Locking Design – Minimizes fastener loosening under vibration to protect temperature control integrity and reduce downtime.
- Service-Ready – Supports routine maintenance and fast replacement in field or shop environments to restore reliability quickly.
- Fleet Uptime Focus – Helps maintain secure mechanical joins that contribute to consistent temperature control and reduced cargo risk.
Product Details
| Part Number | 557006 |
| Product Name | Thermo King Nut-Hex-Lock M8 SZN |
| Thread | M8 |
| Locking Feature | Yes (locking hex nut; type not specified in catalog) |
| Manufacturer | Thermo King (OEM) |
| Compatibility | Thermo King transport refrigeration systems — verify model-specific fitment with parts manual or certified technician |
Efficiency & Sustainability
When installed to OEM specifications, secure fasteners like the Nut-Hex-Lock M8 SZN support fuel-efficient cooling and consistent thermal control by maintaining proper assembly alignment and sealing. This reliability contributes to reduced service interventions and supports long-term operational efficiency for units such as Smart Reefer SR-4 and Precedent-series equipment in CARB Evergreen and transport refrigeration fleets.
Installation & Maintenance Tips
Follow Thermo King torque and installation guidance for secure fitment. Inspect locking features during scheduled maintenance intervals and replace nuts showing wear or loss of locking function. Use OEM-grade tools and certified Thermo King technicians for critical assemblies to preserve warranty and safety standards.
Real-World Applications
The Thermo King Nut-Hex-Lock M8 SZN fits fastening locations on reefer trailers, refrigerated trucks, and transport refrigeration components where vibration resistance ensures consistent temperature control. Fleets in Amarillo, Lubbock, Odessa, and across West Texas rely on authentic Thermo King parts to protect perishable cargo and optimize return on investment.
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 reach the service department for confirmation.
Frequently Asked Questions
Q: Is this nut compatible with Thermo King Precedent and Smart Reefer units?
A: Compatibility depends on the specific assembly. Part Number 557006 is an OEM Thermo King locking hex nut used across transport refrigeration systems; verify model-specific fitment with the official parts manual or certified technician.
Q: How should technicians install this locking nut?
A: Install to Thermo King torque specifications and inspect the locking element during scheduled maintenance. Use OEM tools and approved procedures to ensure secure fastening and maintain system reliability.
Q: Where can fleets source authentic Thermo King parts in West Texas?
A: West Texas Thermo King, a certified Thermo King dealership, supplies OEM parts and service for fleets across the Permian Basin and surrounding areas. Call the parts desk for availability and fitment guidance.
Q: Does this nut require special handling or storage?
A: Store in a clean, dry area with other OEM fasteners and follow standard inventory practices to prevent corrosion and preserve locking integrity.
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.