Thermo King M8 x 30 Machine Screw OEM Fastener 558857
Official OEM Thermo King parts catalog entry for the Thermo King Screw M8x30, Part 558857, 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 M8x30, Part 558857, secures critical components across Thermo King refrigeration systems with OEM-fit reliability. This precision fastener supports temperature control integrity on transport refrigeration units where secure, vibration-resistant fastening directly influences uptime and service life.
Thermo King refrigeration system technicians and fleet managers depend on genuine Thermo King parts to maintain consistent temperature control, reduce unplanned stops, and extend component life across reefer trailers and self-contained units.
- OEM Part Number 558857 – Ensures exact fit and compatibility with Thermo King assemblies for streamlined parts procurement and reduced installation time.
- M8 x 30 mm Specification – Provides standard metric sizing for reliable mechanical fastening in common refrigeration mounting points.
- Precision Threading – Supports secure engagement and resistance to loosening under vibration, improving long-term reliability in transport refrigeration environments.
- Service-Grade Reliability – Matches Thermo King quality expectations for fleets operating in West Texas conditions, promoting consistent temperature control and reduced downtime.
- Fleet-Friendly Supply – Available through a certified Thermo King dealership to simplify ordering and ensure authentic OEM replacement parts for scheduled maintenance.
- Compatibility Focus – Designed for use in Thermo King units across model lines including common Precedent and Diesel Direct Electric configurations where M8 fasteners secure components.
Product Details
| Part Number | 558857 |
| Product Name | Thermo King Screw M8x30 |
| Size | M8 × 30 mm |
| Thread Pitch | Standard M8 coarse thread (1.25 mm) |
| Manufacturer | Thermo King (OEM) |
| Typical Use | Fastening components on Thermo King refrigeration units and reefer trailers |
Efficiency & Sustainability – Genuine Thermo King fasteners support fuel-efficient cooling by preserving system integrity and preventing leaks or loosening that compromise thermal regulation. Using OEM components contributes to consistent performance on Smart Reefer SR-4 and other modern Thermo King platforms, supporting fleet efficiency goals and regulatory compliance such as CARB Evergreen where applicable.
Installation & Maintenance Tips – Install using the factory-recommended torque values and follow the Thermo King service manual for thread engagement and retention guidance. Inspect fasteners during scheduled maintenance intervals and replace with OEM parts to retain system reliability. Use approved locking methods or threadlocker per the unit service specifications when required.
Real-World Applications – The Thermo King Screw M8x30 secures brackets, covers, valve plates, and component mounts across refrigerated trucks and reefer trailers operating in the Permian Basin, Amarillo, Lubbock, Odessa, and throughout West Texas. Certified parts availability supports rapid turnaround for fleet maintenance and mobile service calls.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked 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 screw compatible with Thermo King Precedent units?
A: Yes. The Thermo King Screw M8x30, Part 558857, fits common mounting locations in Precedent-series and similar Thermo King refrigeration systems when an M8 × 30 mm fastener is required.
Q: Can this part be used during routine service visits?
A: Yes. Certified technicians use OEM fasteners like Part 558857 during scheduled maintenance and component replacements to maintain factory fit and reliability.
Q: Does the part support vibration-prone installations on trailers?
A: Yes. Precision threading and OEM specification support secure fastening in vibration-prone transport refrigeration applications.
Q: How is this part ordered for fleet support in West Texas?
A: Order through West Texas Thermo King parts channels for verified OEM supply and expedited delivery to Amarillo, Lubbock, Odessa, and surrounding regions.
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 M8x30, Part 558857, 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 M8x30, Part 558857, secures critical components across Thermo King refrigeration systems with OEM-fit reliability. This precision fastener supports temperature control integrity on transport refrigeration units where secure, vibration-resistant fastening directly influences uptime and service life.
Thermo King refrigeration system technicians and fleet managers depend on genuine Thermo King parts to maintain consistent temperature control, reduce unplanned stops, and extend component life across reefer trailers and self-contained units.
- OEM Part Number 558857 – Ensures exact fit and compatibility with Thermo King assemblies for streamlined parts procurement and reduced installation time.
- M8 x 30 mm Specification – Provides standard metric sizing for reliable mechanical fastening in common refrigeration mounting points.
- Precision Threading – Supports secure engagement and resistance to loosening under vibration, improving long-term reliability in transport refrigeration environments.
- Service-Grade Reliability – Matches Thermo King quality expectations for fleets operating in West Texas conditions, promoting consistent temperature control and reduced downtime.
- Fleet-Friendly Supply – Available through a certified Thermo King dealership to simplify ordering and ensure authentic OEM replacement parts for scheduled maintenance.
- Compatibility Focus – Designed for use in Thermo King units across model lines including common Precedent and Diesel Direct Electric configurations where M8 fasteners secure components.
Product Details
| Part Number | 558857 |
| Product Name | Thermo King Screw M8x30 |
| Size | M8 × 30 mm |
| Thread Pitch | Standard M8 coarse thread (1.25 mm) |
| Manufacturer | Thermo King (OEM) |
| Typical Use | Fastening components on Thermo King refrigeration units and reefer trailers |
Efficiency & Sustainability – Genuine Thermo King fasteners support fuel-efficient cooling by preserving system integrity and preventing leaks or loosening that compromise thermal regulation. Using OEM components contributes to consistent performance on Smart Reefer SR-4 and other modern Thermo King platforms, supporting fleet efficiency goals and regulatory compliance such as CARB Evergreen where applicable.
Installation & Maintenance Tips – Install using the factory-recommended torque values and follow the Thermo King service manual for thread engagement and retention guidance. Inspect fasteners during scheduled maintenance intervals and replace with OEM parts to retain system reliability. Use approved locking methods or threadlocker per the unit service specifications when required.
Real-World Applications – The Thermo King Screw M8x30 secures brackets, covers, valve plates, and component mounts across refrigerated trucks and reefer trailers operating in the Permian Basin, Amarillo, Lubbock, Odessa, and throughout West Texas. Certified parts availability supports rapid turnaround for fleet maintenance and mobile service calls.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked 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 screw compatible with Thermo King Precedent units?
A: Yes. The Thermo King Screw M8x30, Part 558857, fits common mounting locations in Precedent-series and similar Thermo King refrigeration systems when an M8 × 30 mm fastener is required.
Q: Can this part be used during routine service visits?
A: Yes. Certified technicians use OEM fasteners like Part 558857 during scheduled maintenance and component replacements to maintain factory fit and reliability.
Q: Does the part support vibration-prone installations on trailers?
A: Yes. Precision threading and OEM specification support secure fastening in vibration-prone transport refrigeration applications.
Q: How is this part ordered for fleet support in West Texas?
A: Order through West Texas Thermo King parts channels for verified OEM supply and expedited delivery to Amarillo, Lubbock, Odessa, and surrounding regions.
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.