Thermo King Transport Refrigeration Hose #4 50-Foot 618664
Official OEM Thermo King parts catalog entry for the Hose #4 50 ft (Part 618664), 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 Hose #4 50 ft (Part 618664) delivers OEM-grade reliability for Thermo King refrigeration systems, providing a 4-inch diameter, 50-foot length hose engineered to support consistent temperature control across transport refrigeration applications.
Product Overview
The Hose #4 50 ft (Part 618664) is an authentic Thermo King replacement hose designed for use in refrigerated trailers and transport refrigeration units. This hose supports secure coolant and refrigerant routing in demanding reefer operations, helping fleets maintain uptime, precise temperature regulation, and predictable operating efficiency.
Key Features & Customer Benefits
- OEM Thermo King Part – Ensures compatibility and fitment expectations consistent with Thermo King service standards.
- 4-inch Diameter, 50 ft Length – Provides extended reach for routing in large reefer trailers and complex installations, reducing the need for junctions.
- Designed for Transport Refrigeration – Supports reliable temperature control for reefer trailers, refrigerated trucks, and multi-temperature configurations.
- Durability for Fleet Use – Built to withstand operational vibration and thermal cycling typical in long-haul West Texas routes, improving service intervals and fleet uptime.
- Precision Fit – Engineered to mate with Thermo King connections and fittings for secure, leak-resistant installation.
- Reduced Downtime – OEM quality reduces the risk of unexpected failures and simplifies maintenance planning for large fleets in the Permian Basin and surrounding regions.
Product Details
| Part Number | 618664 |
| Part Name | Hose #4 50 ft |
| Size | 4 in diameter |
| Length | 50 ft |
| Manufacturer | Thermo King (OEM) |
| Application | Transport refrigeration, reefer trailers, refrigerated trucks — verify fitment for specific unit models |
Efficiency & Sustainability
This Thermo King OEM hose supports consistent thermal management within Thermo King refrigeration units, helping maintain fuel-efficient cooling profiles when integrated into systems such as Smart Reefer SR-4, Precedent S-610M, and Diesel Direct Electric configurations. Properly maintained hoses contribute to optimized compressor load and reduced emissions over fleet duty cycles, aligning with CARB Evergreen strategies where applicable.
Installation & Maintenance Tips
Install using Thermo King–recommended clamps and connectors to ensure leak-free joints. Inspect the hose at regular service intervals for signs of wear, abrasion, or fittings fatigue and replace promptly to protect system integrity. Use certified Thermo King technicians for system evacuation, charging, and pressure testing to preserve refrigerant handling compliance.
Real-World Applications
Commonly used on reefer trailers, refrigerated straight trucks, and multi-temperature transport applications, the Hose #4 50 ft (Part 618664) provides the length and routing flexibility fleets require across long-haul routes that include Amarillo, Lubbock, Odessa, and the Permian Basin. 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 reliability 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 speak with the service department for confirmation.
Frequently Asked Questions
Q: Is this hose compatible with Thermo King Precedent units?
A: Yes. The Hose #4 50 ft (Part 618664) fits many Thermo King Precedent-series installations; confirm exact fitment against the unit serial number or consult certified technicians for model-specific guidance.
Q: What applications suit a 50-foot hose length?
A: The extended length supports complex routing in large reefer trailers, multi-compartment systems, and applications where a single continuous run reduces joints and potential leak points.
Q: Who should install this Thermo King hose?
A: Certified Thermo King technicians ensure correct installation, pressure testing, and system commissioning to maintain warranty and system efficiency.
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 Hose #4 50 ft (Part 618664), 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 Hose #4 50 ft (Part 618664) delivers OEM-grade reliability for Thermo King refrigeration systems, providing a 4-inch diameter, 50-foot length hose engineered to support consistent temperature control across transport refrigeration applications.
Product Overview
The Hose #4 50 ft (Part 618664) is an authentic Thermo King replacement hose designed for use in refrigerated trailers and transport refrigeration units. This hose supports secure coolant and refrigerant routing in demanding reefer operations, helping fleets maintain uptime, precise temperature regulation, and predictable operating efficiency.
Key Features & Customer Benefits
- OEM Thermo King Part – Ensures compatibility and fitment expectations consistent with Thermo King service standards.
- 4-inch Diameter, 50 ft Length – Provides extended reach for routing in large reefer trailers and complex installations, reducing the need for junctions.
- Designed for Transport Refrigeration – Supports reliable temperature control for reefer trailers, refrigerated trucks, and multi-temperature configurations.
- Durability for Fleet Use – Built to withstand operational vibration and thermal cycling typical in long-haul West Texas routes, improving service intervals and fleet uptime.
- Precision Fit – Engineered to mate with Thermo King connections and fittings for secure, leak-resistant installation.
- Reduced Downtime – OEM quality reduces the risk of unexpected failures and simplifies maintenance planning for large fleets in the Permian Basin and surrounding regions.
Product Details
| Part Number | 618664 |
| Part Name | Hose #4 50 ft |
| Size | 4 in diameter |
| Length | 50 ft |
| Manufacturer | Thermo King (OEM) |
| Application | Transport refrigeration, reefer trailers, refrigerated trucks — verify fitment for specific unit models |
Efficiency & Sustainability
This Thermo King OEM hose supports consistent thermal management within Thermo King refrigeration units, helping maintain fuel-efficient cooling profiles when integrated into systems such as Smart Reefer SR-4, Precedent S-610M, and Diesel Direct Electric configurations. Properly maintained hoses contribute to optimized compressor load and reduced emissions over fleet duty cycles, aligning with CARB Evergreen strategies where applicable.
Installation & Maintenance Tips
Install using Thermo King–recommended clamps and connectors to ensure leak-free joints. Inspect the hose at regular service intervals for signs of wear, abrasion, or fittings fatigue and replace promptly to protect system integrity. Use certified Thermo King technicians for system evacuation, charging, and pressure testing to preserve refrigerant handling compliance.
Real-World Applications
Commonly used on reefer trailers, refrigerated straight trucks, and multi-temperature transport applications, the Hose #4 50 ft (Part 618664) provides the length and routing flexibility fleets require across long-haul routes that include Amarillo, Lubbock, Odessa, and the Permian Basin. 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 reliability 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 speak with the service department for confirmation.
Frequently Asked Questions
Q: Is this hose compatible with Thermo King Precedent units?
A: Yes. The Hose #4 50 ft (Part 618664) fits many Thermo King Precedent-series installations; confirm exact fitment against the unit serial number or consult certified technicians for model-specific guidance.
Q: What applications suit a 50-foot hose length?
A: The extended length supports complex routing in large reefer trailers, multi-compartment systems, and applications where a single continuous run reduces joints and potential leak points.
Q: Who should install this Thermo King hose?
A: Certified Thermo King technicians ensure correct installation, pressure testing, and system commissioning to maintain warranty and system efficiency.
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.
