Four Seasons 39353 A/C Expansion Valve

Overview of Four Seasons Expansion Valve 39353

The Four Seasons Expansion Valve 39353 is designed specifically for Subaru Forester and Impreza models. This A/C expansion valve regulates refrigerant flow in the vehicle's air conditioning system, ensuring optimal cooling performance with R134a refrigerant compatibility.

• Constructed from durable aluminum material
• Block type design with two mounting holes for secure installation
• Compatible with R134a refrigerant systems
• Female suction and liquid inlet/outlet fittings with specific thread diameters
• Includes captured O-ring seals for leak prevention
• Meets or exceeds OEM specifications for reliable fit and function

Detailed Product Features and Specifications

This Four Seasons Expansion Valve 39353 features a block type design made from aluminum, providing corrosion resistance and durability under typical automotive HVAC conditions. The valve includes two mounting holes for stable attachment within the A/C system. Both suction inlet and outlet fittings are female with No. 10 and No. 12 thread diameters respectively, while the liquid inlet and outlet fittings are also female with No. 6 and No. 8 thread diameters. The valve uses non-threaded fitting types with captured O-ring seals, including green O-rings (part numbers 24608 and 24610) to ensure a secure, leak-free connection. This part is engineered to work with R134a refrigerant, the standard for many Subaru models.

About the Four Seasons Expansion Valve Product Line

The Expansion Valve product line from Four Seasons focuses on precise refrigerant flow control components for automotive HVAC systems. These valves are designed to meet or exceed OEM standards, providing reliable performance and compatibility with specific vehicle makes and models. The 39353 valve is part of this line, tailored for Subaru Forester and Impreza vehicles, ensuring proper air conditioning system operation and efficiency.

Common Applications and Problem Resolution

• Regulates refrigerant flow to maintain consistent cabin cooling
• Prevents compressor damage caused by improper refrigerant pressure
• Eliminates issues related to fluctuating or insufficient cooling performance
• Addresses leaks or failures in the original expansion valve
• Supports efficient operation of R134a-based A/C systems in Subaru Forester and Impreza

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39353, ensure the vehicle’s A/C system is properly evacuated and free of contaminants. Use the correct torque specifications for the two mounting holes to avoid damage. Verify that the captured O-rings are seated correctly to prevent refrigerant leaks. This valve is designed for direct replacement on compatible Subaru Forester and Impreza models using R134a refrigerant. Professional installation is recommended to maintain system integrity and performance.

Quality Assurance and Warranty

Four Seasons Expansion Valve 39353 meets or exceeds OEM quality standards, providing reliable fit and function for Subaru Forester and Impreza vehicles. The part is manufactured with precision aluminum construction and includes factory-installed O-rings for leak prevention. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.