Thermo King Transport Refrigeration Coupling Half Union Brass 550459
Official OEM Thermo King parts catalog entry for the Coupling Half Union Brass, 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 550459 Coupling Half Union Brass delivers OEM-grade connection reliability for Thermo King refrigeration systems and transport refrigeration applications, ensuring secure, serviceable joins that support continuous temperature control across reefer trailers and refrigerated trucks.
Product Overview
Thermo King refrigeration system operators choose the 550459 Coupling Half Union Brass for dependable, brass construction that resists corrosion and supports routine maintenance without compromising seal integrity. West Texas Thermo King supplies this component to fleets in Amarillo, Lubbock, Odessa, and throughout the Permian Basin to maximize uptime and return on investment.
Key Features & Customer Benefits
- OEM Brass Construction – Provides corrosion resistance and long service life in transport refrigeration environments.
- Half Union Design – Enables straightforward disassembly for service and replacement without cutting lines, reducing downtime.
- Serviceability – Supports rapid maintenance and component swaps to keep reefer trailers on schedule.
- Precision Fit – Matches Thermo King connection standards for leak-minimized joints and consistent temperature control.
- Fleet-Ready Reliability – Suits high-utilization fleets across West Texas, supporting efficient operations and predictable maintenance intervals.
Product Details
| Part Number | 550459 |
| Part Name | Coupling Half Union Brass |
| Material | Brass |
| Application | Transport refrigeration, reefer trailers, refrigerated trucks |
| Compatibility | Compatible with Thermo King refrigeration units including Precedent S-610M, S-610DE and systems using Smart Reefer SR-4 monitoring when installed in accordance with OEM specifications |
Efficiency & Sustainability
The 550459 Coupling Half Union Brass supports fuel-efficient cooling and consistent temperature control by maintaining leak-free connections that protect system charge and performance. When installed within Thermo King Smart Reefer SR-4 and Diesel Direct Electric systems, the part helps fleets pursue CARB Evergreen objectives and minimize unnecessary refrigerant loss through durable fitting integrity.
Installation & Maintenance Tips
Use OEM-rated fittings and clamps for secure fitment and torque to Thermo King specifications during installation. Inspect coupling joints during scheduled maintenance intervals and replace the mating union half if wear or deformation appears. Certified technicians at West Texas Thermo King follow service procedures that preserve sealing surfaces and ensure reliable reconnection.
Real-World Applications
The 550459 Coupling Half Union Brass installs across refrigerated trailers, truck-mounted reefers, and transport refrigeration modules where frequent service access and dependable sealing are required. Fleets in long-haul, local delivery, and food distribution rely on this part to maintain consistent temperature control and reduce service time.
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, contact us for warranty information: contact the service department.
Frequently Asked Questions
Q: Is the 550459 Coupling Half Union Brass compatible with Precedent-series units?
A: Yes. The coupling fits Thermo King Precedent and similar transport refrigeration systems when installed per OEM guidance and matched to the mating union half.
Q: How does this coupling support fleet uptime?
A: The half union design allows fast disconnects for service and replacement without cutting lines, reducing repair time and keeping trailers in operation.
Q: Are special tools required for installation?
A: Standard brass-fitting tools and OEM torque specifications are sufficient; certified technicians at West Texas Thermo King handle any precision assembly needs.
Q: Where is this part typically used?
A: The coupling installs on reefer trailers, truck-mounted refrigeration units, and transport refrigeration modules where secure, serviceable connections are necessary for temperature control.
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 Coupling Half Union Brass, 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 550459 Coupling Half Union Brass delivers OEM-grade connection reliability for Thermo King refrigeration systems and transport refrigeration applications, ensuring secure, serviceable joins that support continuous temperature control across reefer trailers and refrigerated trucks.
Product Overview
Thermo King refrigeration system operators choose the 550459 Coupling Half Union Brass for dependable, brass construction that resists corrosion and supports routine maintenance without compromising seal integrity. West Texas Thermo King supplies this component to fleets in Amarillo, Lubbock, Odessa, and throughout the Permian Basin to maximize uptime and return on investment.
Key Features & Customer Benefits
- OEM Brass Construction – Provides corrosion resistance and long service life in transport refrigeration environments.
- Half Union Design – Enables straightforward disassembly for service and replacement without cutting lines, reducing downtime.
- Serviceability – Supports rapid maintenance and component swaps to keep reefer trailers on schedule.
- Precision Fit – Matches Thermo King connection standards for leak-minimized joints and consistent temperature control.
- Fleet-Ready Reliability – Suits high-utilization fleets across West Texas, supporting efficient operations and predictable maintenance intervals.
Product Details
| Part Number | 550459 |
| Part Name | Coupling Half Union Brass |
| Material | Brass |
| Application | Transport refrigeration, reefer trailers, refrigerated trucks |
| Compatibility | Compatible with Thermo King refrigeration units including Precedent S-610M, S-610DE and systems using Smart Reefer SR-4 monitoring when installed in accordance with OEM specifications |
Efficiency & Sustainability
The 550459 Coupling Half Union Brass supports fuel-efficient cooling and consistent temperature control by maintaining leak-free connections that protect system charge and performance. When installed within Thermo King Smart Reefer SR-4 and Diesel Direct Electric systems, the part helps fleets pursue CARB Evergreen objectives and minimize unnecessary refrigerant loss through durable fitting integrity.
Installation & Maintenance Tips
Use OEM-rated fittings and clamps for secure fitment and torque to Thermo King specifications during installation. Inspect coupling joints during scheduled maintenance intervals and replace the mating union half if wear or deformation appears. Certified technicians at West Texas Thermo King follow service procedures that preserve sealing surfaces and ensure reliable reconnection.
Real-World Applications
The 550459 Coupling Half Union Brass installs across refrigerated trailers, truck-mounted reefers, and transport refrigeration modules where frequent service access and dependable sealing are required. Fleets in long-haul, local delivery, and food distribution rely on this part to maintain consistent temperature control and reduce service time.
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, contact us for warranty information: contact the service department.
Frequently Asked Questions
Q: Is the 550459 Coupling Half Union Brass compatible with Precedent-series units?
A: Yes. The coupling fits Thermo King Precedent and similar transport refrigeration systems when installed per OEM guidance and matched to the mating union half.
Q: How does this coupling support fleet uptime?
A: The half union design allows fast disconnects for service and replacement without cutting lines, reducing repair time and keeping trailers in operation.
Q: Are special tools required for installation?
A: Standard brass-fitting tools and OEM torque specifications are sufficient; certified technicians at West Texas Thermo King handle any precision assembly needs.
Q: Where is this part typically used?
A: The coupling installs on reefer trailers, truck-mounted refrigeration units, and transport refrigeration modules where secure, serviceable connections are necessary for temperature control.
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.
