Four Seasons 39162 A/C Expansion Valve - Rear

Overview of Four Seasons Expansion Valve 39162

The Four Seasons Expansion Valve 39162 is engineered for precise control of refrigerant flow in automotive air conditioning systems. Designed specifically for the Lexus LS430, this aluminum block-type valve ensures efficient cooling performance with R134a refrigerant compatibility.

• Constructed from durable aluminum material with an aluminum finish
• Compatible with R134a refrigerant systems
• Block type design with 2 mounting holes for secure installation
• Female suction and liquid inlet/outlet fittings with specific thread diameters
• Includes green o-rings for proper sealing and leak prevention
• Meets or exceeds OEM specifications for reliable fit and function

Detailed Product Features and Specifications

This A/C expansion valve from Four Seasons features a block-type design that facilitates precise refrigerant metering in the Lexus LS430's HVAC system. The valve is made from aluminum, providing corrosion resistance and durability under varying operating conditions. It is designed for use with R134a refrigerant, the standard for many modern automotive A/C systems.

The valve includes two mounting holes for secure attachment and features female suction inlet and outlet fittings with No. 12 thread diameters, both non-threaded for proper connection. The liquid inlet and outlet fittings are also female, with No. 6 and No. 8 thread diameters respectively, designed as insert o-ring types to ensure a tight seal. The included green o-rings (part numbers 24612 and 24606) help maintain system integrity and prevent leaks.

About the Four Seasons Expansion Valve Product Line

The Expansion Valve product line by Four Seasons focuses on delivering reliable A/C flow restrictors that meet or exceed OEM standards. This line is designed to provide consistent refrigerant flow control, essential for maintaining optimal air conditioning performance in vehicles like the Lexus LS430. The 39162 model exemplifies this commitment by combining durable materials and precise engineering.

Common Applications and Problem Resolution

• Restores proper refrigerant flow in Lexus LS430 A/C systems
• Resolves issues with inconsistent cabin cooling or temperature fluctuations
• Addresses refrigerant leaks caused by worn or damaged expansion valves
• Eliminates compressor cycling problems related to faulty flow restrictors
• Improves overall HVAC system efficiency and reliability

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39162, ensure the system is fully evacuated and free of contaminants before fitting the valve. Use the included green o-rings to secure leak-free connections on both liquid and suction lines. The two mounting holes provide stable attachment points; verify alignment with the Lexus LS430 mounting locations. Proper torque specifications should be followed to avoid damage to fittings or valve body.

Quality Assurance and Warranty

This expansion valve meets or exceeds OEM quality standards, ensuring compatibility and performance for the Lexus LS430. Four Seasons provides a limited warranty on this part, covering defects in material and workmanship under normal use. Refer to the manufacturer’s warranty terms for specific coverage details.