Thermo King 45° Elbow Fitting #12 7/8-14TH OEM 559540
Official OEM Thermo King parts catalog entry for the Fitting-45Deg 12 7/8-14TH, 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 Fitting-45Deg 12 7/8-14TH (Part 559540) delivers precise, OEM-grade fluid routing for transport refrigeration systems. This 45° elbow fitting supports secure connections on #12 lines with a 7/8-14 threaded interface, ensuring reliable sealing and routing in demanding reefer operations.
Thermo King refrigeration system components demand accuracy and uptime. This fitting provides dependable line alignment and supports leak-resistant connections that reduce service time and protect fleet productivity across Amarillo, Lubbock, Odessa and the Permian Basin.
Key Features & Customer Benefits
- 45° Elbow Geometry – Simplifies hose and tube routing in tight chassis and condenser areas for faster installation and reduced stress on assemblies.
- #12 Line Compatibility – Matches standard #12 refrigerant line sizes used across Thermo King Precedent and TriPac configurations for consistent fitment.
- 7/8-14 Thread Interface – Uses a common UNF thread size for secure, vibration-resistant connections in transport refrigeration systems.
- OEM-Grade Construction – Manufactured to Thermo King specifications to support long-term reliability and resist operational wear.
- Serviceability – Streamlines field replacement during scheduled maintenance to maximize uptime and lower labor costs.
- Fleet-Ready – Supports temperature control targets for reefer trailers and truck-mounted units, improving operational efficiency and ROI.
Product Details
| Part Number | 559540 |
| Product Name | Fitting-45Deg 12 7/8-14TH |
| Angle | 45° elbow |
| Thread | 7/8-14 UNF |
| Tube Size | #12 |
| Material | OEM-grade metal |
| Compatibility | Thermo King transport refrigeration units (Smart Reefer SR-4, Precedent S-610M, S-610DE, TriPac and similar systems) |
Efficiency & Sustainability
This fitting supports efficient system routing that reduces pressure loss and refrigerant exposure during service. Properly installed fittings contribute to fuel-efficient cooling and help maintain regulatory targets for modern systems, including integration with Smart Reefer SR-4 applications and CARB Evergreen-aware fleets.
Installation & Maintenance Tips
Install using OEM torque values and approved sealing practices to ensure leak-free performance. Inspect fittings during scheduled preventive maintenance and replace with genuine Thermo King parts for consistent sealing and alignment. Use recommended clamps and line supports to avoid vibration fatigue.
Real-World Applications
Use this 45° elbow fitting in reefer trailers, refrigerated trucks, and transport refrigeration units where compact routing and secure threaded connections are required. It supports connections between evaporators, condensers, compressors, and service ports in both diesel direct electric and truck-mount systems.
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 via our contact page or speak directly with the service department for confirmation.
Frequently Asked Questions
Q: Is this fitting compatible with Thermo King Precedent units?
A: Yes. The 45° elbow with #12 line and 7/8-14 thread fits common Thermo King Precedent and similar transport refrigeration configurations when used per OEM installation practices.
Q: Can this fitting reduce installation time for trailer fleets?
A: Yes. The 45° geometry simplifies routing in tight spaces and helps technicians achieve leak-free connections more quickly, improving service turn time and fleet uptime.
Q: Does West Texas Thermo King install this part on site?
A: Yes. Certified technicians at West Texas Thermo King install and service Thermo King parts across Amarillo, Lubbock, Odessa, and the Permian Basin.
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 Fitting-45Deg 12 7/8-14TH, 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 Fitting-45Deg 12 7/8-14TH (Part 559540) delivers precise, OEM-grade fluid routing for transport refrigeration systems. This 45° elbow fitting supports secure connections on #12 lines with a 7/8-14 threaded interface, ensuring reliable sealing and routing in demanding reefer operations.
Thermo King refrigeration system components demand accuracy and uptime. This fitting provides dependable line alignment and supports leak-resistant connections that reduce service time and protect fleet productivity across Amarillo, Lubbock, Odessa and the Permian Basin.
Key Features & Customer Benefits
- 45° Elbow Geometry – Simplifies hose and tube routing in tight chassis and condenser areas for faster installation and reduced stress on assemblies.
- #12 Line Compatibility – Matches standard #12 refrigerant line sizes used across Thermo King Precedent and TriPac configurations for consistent fitment.
- 7/8-14 Thread Interface – Uses a common UNF thread size for secure, vibration-resistant connections in transport refrigeration systems.
- OEM-Grade Construction – Manufactured to Thermo King specifications to support long-term reliability and resist operational wear.
- Serviceability – Streamlines field replacement during scheduled maintenance to maximize uptime and lower labor costs.
- Fleet-Ready – Supports temperature control targets for reefer trailers and truck-mounted units, improving operational efficiency and ROI.
Product Details
| Part Number | 559540 |
| Product Name | Fitting-45Deg 12 7/8-14TH |
| Angle | 45° elbow |
| Thread | 7/8-14 UNF |
| Tube Size | #12 |
| Material | OEM-grade metal |
| Compatibility | Thermo King transport refrigeration units (Smart Reefer SR-4, Precedent S-610M, S-610DE, TriPac and similar systems) |
Efficiency & Sustainability
This fitting supports efficient system routing that reduces pressure loss and refrigerant exposure during service. Properly installed fittings contribute to fuel-efficient cooling and help maintain regulatory targets for modern systems, including integration with Smart Reefer SR-4 applications and CARB Evergreen-aware fleets.
Installation & Maintenance Tips
Install using OEM torque values and approved sealing practices to ensure leak-free performance. Inspect fittings during scheduled preventive maintenance and replace with genuine Thermo King parts for consistent sealing and alignment. Use recommended clamps and line supports to avoid vibration fatigue.
Real-World Applications
Use this 45° elbow fitting in reefer trailers, refrigerated trucks, and transport refrigeration units where compact routing and secure threaded connections are required. It supports connections between evaporators, condensers, compressors, and service ports in both diesel direct electric and truck-mount systems.
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 via our contact page or speak directly with the service department for confirmation.
Frequently Asked Questions
Q: Is this fitting compatible with Thermo King Precedent units?
A: Yes. The 45° elbow with #12 line and 7/8-14 thread fits common Thermo King Precedent and similar transport refrigeration configurations when used per OEM installation practices.
Q: Can this fitting reduce installation time for trailer fleets?
A: Yes. The 45° geometry simplifies routing in tight spaces and helps technicians achieve leak-free connections more quickly, improving service turn time and fleet uptime.
Q: Does West Texas Thermo King install this part on site?
A: Yes. Certified technicians at West Texas Thermo King install and service Thermo King parts across Amarillo, Lubbock, Odessa, and the Permian Basin.
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.
