Thermo King Hex Head Screw Fastener 1/4-20 x 1 552977
Official OEM Thermo King parts catalog entry for the Thermo King Screw HH 1/4-20X1 552977, 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 1/4-20X1 552977 delivers OEM-grade fastening for Thermo King refrigeration systems and transport refrigeration assemblies. This precision hex-head screw secures components in reefer trailers and truck-mounted units to maintain consistent temperature control and fleet uptime.
Key Features & Customer Benefits
- OEM Fit – Ensures correct thread engagement and secure attachment in Thermo King assemblies for reliable service intervals.
- Standard Thread Size – 1/4-20 unified thread provides broad compatibility with industry-standard mating hardware.
- 1 Inch Length – Provides the correct reach for fastened components without excess protrusion or compromise to seals.
- Hex Head Design – Enables controlled torque application for repeatable installation and maintenance.
- Lightweight – Minimizes added mass while maintaining secure mechanical connections in refrigeration units.
- OEM Proven – Genuine Thermo King part number 552977 supports fleet reliability and parts traceability for service records.
Product Details
| Part Number | 552977 |
| Product Name | Screw HH 1/4-20X1 |
| Thread Size | 1/4-20 (Unified) |
| Length | 1 inch |
| Head Type | Hex Head (HH) |
| Weight (approx.) | 0.01 kg |
| Compatibility | Thermo King refrigeration units and related assemblies (OEM fastener) |
| Manufacturer | Thermo King (OEM) |
Efficiency & Sustainability
Using genuine Thermo King fasteners supports efficient, fuel-conscious operation by keeping critical refrigeration components secure and free of vibration-related wear. Proper fastening helps maintain temperature control in Smart Reefer SR-4 and Precedent-series systems, contributing to consistent cargo protection and reduced service interventions. Compliance with Thermo King service standards supports long-term asset value and operational sustainability across West Texas fleets.
Installation & Maintenance Tips
Install using a properly sized socket or wrench and follow Thermo King torque specifications for the specific assembly. Inspect threads and mating surfaces for corrosion or damage before reuse. Replace hardware with OEM parts like 552977 during scheduled maintenance to preserve fit and function. When in doubt, consult service documentation or certified technicians for torque and fastening guidance.
Real-World Applications
This hex-head screw secures panels, brackets, and component mounts on reefer trailers, refrigerated trucks, and truck-mounted Thermo King units used across Amarillo, Lubbock, Odessa, and the Permian Basin. Fleet maintenance teams and certified technicians rely on OEM fasteners to protect temperature-controlled cargo and maximize uptime.
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 fastener compatible with Thermo King Precedent units?
A: Yes. As an OEM Thermo King fastener, it fits assemblies that specify a 1/4-20 x 1-inch hex-head screw in Precedent and other Thermo King models when the original parts list calls for this part number.
Q: How should this screw be installed?
A: Install with the correct socket or wrench and apply manufacturer torque specifications. Inspect mating threads and replace if damaged; use OEM replacement parts to maintain assembly integrity.
Q: Can this part be used in field repairs for reefer trailers?
A: Yes. Certified technicians use OEM fasteners like part 552977 for field repairs and scheduled maintenance to restore secure connections and preserve temperature control performance.
Q: How can fleets in West Texas order this part?
A: Order through the Thermo King parts store or contact the West Texas Thermo King parts department for availability and fleet support.
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 1/4-20X1 552977, 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 1/4-20X1 552977 delivers OEM-grade fastening for Thermo King refrigeration systems and transport refrigeration assemblies. This precision hex-head screw secures components in reefer trailers and truck-mounted units to maintain consistent temperature control and fleet uptime.
Key Features & Customer Benefits
- OEM Fit – Ensures correct thread engagement and secure attachment in Thermo King assemblies for reliable service intervals.
- Standard Thread Size – 1/4-20 unified thread provides broad compatibility with industry-standard mating hardware.
- 1 Inch Length – Provides the correct reach for fastened components without excess protrusion or compromise to seals.
- Hex Head Design – Enables controlled torque application for repeatable installation and maintenance.
- Lightweight – Minimizes added mass while maintaining secure mechanical connections in refrigeration units.
- OEM Proven – Genuine Thermo King part number 552977 supports fleet reliability and parts traceability for service records.
Product Details
| Part Number | 552977 |
| Product Name | Screw HH 1/4-20X1 |
| Thread Size | 1/4-20 (Unified) |
| Length | 1 inch |
| Head Type | Hex Head (HH) |
| Weight (approx.) | 0.01 kg |
| Compatibility | Thermo King refrigeration units and related assemblies (OEM fastener) |
| Manufacturer | Thermo King (OEM) |
Efficiency & Sustainability
Using genuine Thermo King fasteners supports efficient, fuel-conscious operation by keeping critical refrigeration components secure and free of vibration-related wear. Proper fastening helps maintain temperature control in Smart Reefer SR-4 and Precedent-series systems, contributing to consistent cargo protection and reduced service interventions. Compliance with Thermo King service standards supports long-term asset value and operational sustainability across West Texas fleets.
Installation & Maintenance Tips
Install using a properly sized socket or wrench and follow Thermo King torque specifications for the specific assembly. Inspect threads and mating surfaces for corrosion or damage before reuse. Replace hardware with OEM parts like 552977 during scheduled maintenance to preserve fit and function. When in doubt, consult service documentation or certified technicians for torque and fastening guidance.
Real-World Applications
This hex-head screw secures panels, brackets, and component mounts on reefer trailers, refrigerated trucks, and truck-mounted Thermo King units used across Amarillo, Lubbock, Odessa, and the Permian Basin. Fleet maintenance teams and certified technicians rely on OEM fasteners to protect temperature-controlled cargo and maximize uptime.
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 fastener compatible with Thermo King Precedent units?
A: Yes. As an OEM Thermo King fastener, it fits assemblies that specify a 1/4-20 x 1-inch hex-head screw in Precedent and other Thermo King models when the original parts list calls for this part number.
Q: How should this screw be installed?
A: Install with the correct socket or wrench and apply manufacturer torque specifications. Inspect mating threads and replace if damaged; use OEM replacement parts to maintain assembly integrity.
Q: Can this part be used in field repairs for reefer trailers?
A: Yes. Certified technicians use OEM fasteners like part 552977 for field repairs and scheduled maintenance to restore secure connections and preserve temperature control performance.
Q: How can fleets in West Texas order this part?
A: Order through the Thermo King parts store or contact the West Texas Thermo King parts department for availability and fleet support.
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.