Thermo King Hex-Head Machine Screw 1/4-20 x 3/4 551587
Official OEM Thermo King parts catalog entry for the Thermo King Screw HH 1/4-20 x 3/4 (551587), 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 1/4-20 x 3/4 (Part 551587) delivers OEM-grade fastening for reliable service in temperature-controlled fleets. This hex-head machine screw supports secure assembly of clip brackets and related hardware in Thermo King refrigeration systems and helps maintain uptime for reefer trailer and truck applications.
Thermo King refrigeration system compatibility and precise part identification reduce downtime by ensuring technicians install the correct fastener during scheduled maintenance and emergency repairs.
- OEM Part Number 551587 – Ensures exact fit for Thermo King assemblies where this part number is specified.
- Hex Head Design – Enables controlled torque application with standard wrenches or sockets for secure fastening.
- 1/4-20 UNC Thread – Uses a common machine-screw thread specification for dependable mechanical engagement.
- 3/4" Length – Matches OEM length requirement for clip bracket installation and associated washer/nut combinations.
- Catalog-Listed Component – Appears in Thermo King SLXi DRC parts documentation for clip bracket assemblies, supporting accurate repairs.
- Certified Dealership Supply – Stocked and supported by West Texas Thermo King to expedite parts availability across the region.
Product Details
| Part Number | 551587 |
| Description | Screw HH 1/4-20 x 3/4 (Hex head machine screw) |
| Thread | 1/4-20 UNC |
| Length | 3/4" |
| Head Type | Hex Head (HH) |
| Typical Application | Clip bracket assembly in Thermo King SLXi DRC and related unit hardware |
Efficiency & Sustainability
This fastener supports efficient service practices that maximize fleet uptime and extend component life. Using specified OEM parts helps maintain transport refrigeration efficiency and reduces unnecessary replacements. When OEM fasteners are required for compliance or CARB Evergreen considerations, certified parts and service help keep systems operating to specification across Smart Reefer SR-4 and other Thermo King platforms.
Installation & Maintenance Tips
Install using properly sized tools and OEM-recommended torque values when available. Pair the screw with the specified flatwasher and nut in clip bracket assemblies. Inspect fasteners during scheduled maintenance intervals and replace any hardware showing corrosion, thread damage, or wear to preserve assembly integrity.
Real-World Applications
This Thermo King Screw 551587 installs in reefer trailers and refrigerated trucks for secure mounting of clip brackets and related attachments. Fleet technicians and service facilities use this part during routine service, repair, and emergency roadside fixes. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed by Thermo King engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting precision 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 visit contact to confirm coverage with the service department.
Frequently Asked Questions
Q: Is this screw compatible with Thermo King SLXi units?
A: Yes. Part 551587 is listed in Thermo King SLXi DRC parts documentation for clip bracket assemblies and is suitable where the OEM part number is specified.
Q: What tool is required to install this screw?
A: A standard wrench or socket sized for a hex head fastener provides proper engagement and controlled torque application.
Q: Can this part support fleet uptime across Transport Refrigeration systems?
A: Yes. Using the specified Thermo King part number helps maintain assembly integrity and supports dependable temperature control and service efficiency across reefer trailer and refrigerated truck operations.
Q: Where is this part available in West Texas?
A: West Texas Thermo King stocks and supplies Thermo King parts across Amarillo, Lubbock, Odessa, and the Permian Basin for fast service and installation.
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 1/4-20 x 3/4 (551587), 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 1/4-20 x 3/4 (Part 551587) delivers OEM-grade fastening for reliable service in temperature-controlled fleets. This hex-head machine screw supports secure assembly of clip brackets and related hardware in Thermo King refrigeration systems and helps maintain uptime for reefer trailer and truck applications.
Thermo King refrigeration system compatibility and precise part identification reduce downtime by ensuring technicians install the correct fastener during scheduled maintenance and emergency repairs.
- OEM Part Number 551587 – Ensures exact fit for Thermo King assemblies where this part number is specified.
- Hex Head Design – Enables controlled torque application with standard wrenches or sockets for secure fastening.
- 1/4-20 UNC Thread – Uses a common machine-screw thread specification for dependable mechanical engagement.
- 3/4" Length – Matches OEM length requirement for clip bracket installation and associated washer/nut combinations.
- Catalog-Listed Component – Appears in Thermo King SLXi DRC parts documentation for clip bracket assemblies, supporting accurate repairs.
- Certified Dealership Supply – Stocked and supported by West Texas Thermo King to expedite parts availability across the region.
Product Details
| Part Number | 551587 |
| Description | Screw HH 1/4-20 x 3/4 (Hex head machine screw) |
| Thread | 1/4-20 UNC |
| Length | 3/4" |
| Head Type | Hex Head (HH) |
| Typical Application | Clip bracket assembly in Thermo King SLXi DRC and related unit hardware |
Efficiency & Sustainability
This fastener supports efficient service practices that maximize fleet uptime and extend component life. Using specified OEM parts helps maintain transport refrigeration efficiency and reduces unnecessary replacements. When OEM fasteners are required for compliance or CARB Evergreen considerations, certified parts and service help keep systems operating to specification across Smart Reefer SR-4 and other Thermo King platforms.
Installation & Maintenance Tips
Install using properly sized tools and OEM-recommended torque values when available. Pair the screw with the specified flatwasher and nut in clip bracket assemblies. Inspect fasteners during scheduled maintenance intervals and replace any hardware showing corrosion, thread damage, or wear to preserve assembly integrity.
Real-World Applications
This Thermo King Screw 551587 installs in reefer trailers and refrigerated trucks for secure mounting of clip brackets and related attachments. Fleet technicians and service facilities use this part during routine service, repair, and emergency roadside fixes. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed by Thermo King engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting precision 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 visit contact to confirm coverage with the service department.
Frequently Asked Questions
Q: Is this screw compatible with Thermo King SLXi units?
A: Yes. Part 551587 is listed in Thermo King SLXi DRC parts documentation for clip bracket assemblies and is suitable where the OEM part number is specified.
Q: What tool is required to install this screw?
A: A standard wrench or socket sized for a hex head fastener provides proper engagement and controlled torque application.
Q: Can this part support fleet uptime across Transport Refrigeration systems?
A: Yes. Using the specified Thermo King part number helps maintain assembly integrity and supports dependable temperature control and service efficiency across reefer trailer and refrigerated truck operations.
Q: Where is this part available in West Texas?
A: West Texas Thermo King stocks and supplies Thermo King parts across Amarillo, Lubbock, Odessa, and the Permian Basin for fast service and installation.
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.