Four Seasons 39394 A/C Expansion Valve

Reliable Four Seasons Expansion Valve for Automotive A/C Systems

The Four Seasons Expansion Valve 39394 is engineered to regulate refrigerant flow in automotive air conditioning systems using R134a refrigerant. Designed with durable aluminum construction, this block-type valve ensures consistent performance and compatibility with various vehicle makes and models requiring precise A/C flow control.

• Constructed from corrosion-resistant aluminum for durability
• Compatible with R134a refrigerant systems
• Block-type design with two mounting holes for secure installation
• Female suction and liquid inlet/outlet fittings with specific thread diameters
• Includes multiple green O-rings for proper sealing and leak prevention
• Meets or exceeds OEM specifications for reliable fit and function
• Part number 39394 for accurate identification and replacement

Four Seasons Expansion Valve Product Line Overview

The Expansion Valve product line by Four Seasons focuses on delivering precise refrigerant metering components for automotive HVAC systems. This line is designed to meet OEM standards, providing dependable temperature regulation and system efficiency. The 39394 valve exemplifies this commitment by offering a block-type valve without a solenoid, suitable for vehicles requiring R134a refrigerant and specific fitting configurations.

Technical Details and Specifications

The Four Seasons 39394 expansion valve features a block-type aluminum body finished in natural aluminum color. It is designed for use with R134a refrigerant and includes two mounting holes for secure attachment. The valve has female suction inlet and outlet fittings with No. 8 and No. 10 thread diameters respectively, and female liquid inlet and outlet fittings with No. 6 and No. 8 thread diameters. Both suction and liquid fittings utilize insert O-ring styles to ensure a tight seal. The package includes green O-rings identified by numbers 24606, 24608, 24610, and 24676 in varying quantities to maintain system integrity and prevent leaks.

Common Applications and Problem Resolution

• Regulates refrigerant flow to maintain optimal A/C system pressure
• Prevents compressor damage caused by improper refrigerant metering
• Resolves issues related to inconsistent cabin cooling performance
• Eliminates refrigerant leaks through secure O-ring seals
• Restores proper function in vehicles experiencing A/C cycling or freezing

Installation Notes and Tips

Ensure compatibility with your vehicle’s make and model before installation. The valve’s two mounting holes facilitate straightforward attachment. Use the included green O-rings to replace old seals and prevent leaks. Proper torque specifications should be followed to avoid damage to fittings. This expansion valve is designed without a solenoid, so verify system requirements accordingly.

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39394 meets or exceeds OEM standards, ensuring reliable performance and durability. Manufactured with high-quality aluminum and precision fittings, this valve supports long-term operation in automotive HVAC systems. Warranty details should be confirmed with the product documentation or supplier.