Four Seasons 39440 A/C Expansion Valve

Overview of Four Seasons Expansion Valve 39440

The Four Seasons Expansion Valve 39440 is designed specifically for Ford Focus models, ensuring precise control of refrigerant flow in the vehicle's air conditioning system. Crafted from durable aluminum, this block-type A/C expansion valve is engineered to meet or exceed OEM standards for reliable HVAC performance.

• Material: Aluminum construction for durability and corrosion resistance
• Refrigerant Compatibility: Designed for R134a refrigerant systems
• Type: Block type expansion valve with captured o-ring liquid inlet
• Mounting: Equipped with 2 mounting holes for secure installation
• Fittings: Female suction and liquid inlet/outlet fittings with specific thread diameters
• OEM Compliance: Meets or exceeds original equipment manufacturer specifications

Detailed Product Features and Specifications

This Four Seasons Expansion Valve 39440 features a block-type design that facilitates efficient refrigerant metering in the Ford Focus A/C system. The aluminum body provides strength and resistance to corrosion, essential for long-term HVAC system reliability. It is compatible with R134a refrigerant, the standard for many modern vehicles. The valve includes two mounting holes for secure attachment and female fittings on both suction and liquid inlet/outlet sides, with thread diameters of No. 10 and No. 12 for suction and No. 8 for liquid connections. The liquid inlet and outlet utilize captured and female insert o-ring styles respectively, ensuring a tight seal and preventing leaks.

About the Four Seasons Expansion Valve Product Line

The Expansion Valve product line by Four Seasons focuses on delivering precise refrigerant flow control components for automotive HVAC systems. This line is engineered to provide reliable performance and compatibility with specific vehicle makes and models, such as the Ford Focus. The 39440 part exemplifies this approach by combining quality materials and exact fitment to maintain optimal air conditioning function.

Common Applications and Problem Resolution

• Regulates refrigerant flow to maintain proper cooling efficiency
• Prevents compressor damage caused by improper refrigerant pressure
• Eliminates inconsistent cabin temperatures due to faulty expansion valves
• Addresses A/C system leaks related to worn or damaged valve seals
• Restores proper HVAC system cycling and performance

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39440 on a Ford Focus, ensure the system is fully evacuated and free of contaminants before installation. Use the correct torque specifications for the two mounting holes to avoid damage. Verify that the female fittings and o-rings are properly seated to prevent refrigerant leaks. It is recommended to replace any associated O-rings with the green o-rings specified ([24661] and [24608]) to maintain system integrity.

Quality Assurance and Warranty

This expansion valve meets or exceeds OEM standards, providing assurance of fit, form, and function for Ford Focus vehicles. Four Seasons products typically come with a limited warranty covering defects in materials and workmanship, supporting long-term reliability and customer confidence.