Four Seasons 39604 A/C Expansion Valve

Reliable A/C Expansion Valve for Lexus and Toyota Vehicles

The Four Seasons Expansion Valve 39604 is engineered to regulate refrigerant flow in automotive air conditioning systems. Designed specifically for select Lexus and Toyota models, this aluminum block-type valve ensures efficient cooling performance with R134a refrigerant compatibility.

Key Features of Four Seasons Expansion Valve 39604

• Constructed from durable aluminum for long-lasting use
• Compatible with R134a refrigerant systems
• Block type design with two mounting holes for secure installation
• Female suction and liquid inlet/outlet fittings with O-ring seals
• Meets or exceeds OEM specifications for reliable performance
• Designed without solenoid for straightforward operation
• Fits popular Lexus and Toyota models including Camry, Corolla, RAV4, and more

Detailed Description of the Four Seasons Expansion Valve

This A/C expansion valve from Four Seasons is part of the Expansion Valve product line, which focuses on precise refrigerant flow control to optimize air conditioning efficiency. The 39604 model features a block-type aluminum construction that provides durability and corrosion resistance. It is designed for use with R134a refrigerant, common in many modern vehicles. The valve includes two mounting holes and female fittings on both suction and liquid sides, all sealed with O-rings to prevent leaks. Thread diameters are standardized (No. 6 and No. 10) and the fittings are non-threaded, facilitating a secure and leak-free connection.

Compatible Vehicles and Common Applications

This expansion valve is compatible with a range of Lexus and Toyota vehicles, including Avalon, C-HR, Camry, Corolla, Corolla Cross, Crown Signia, ES250, ES350, GR Corolla, RAV4, RAV4 Prime, UX200, UX250h, UX300h, and Venza models. It is designed to maintain proper superheat levels (-6.8) and supports 1.5 tonnage A/C systems.

• Regulates refrigerant flow to prevent compressor damage
• Eliminates inconsistent cabin cooling issues
• Prevents evaporator freezing and system inefficiency
• Addresses fluctuating A/C pressure problems
• Helps restore proper air conditioning performance

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39604, ensure the system is evacuated and free of contaminants before replacement. The O-ring fittings require proper lubrication to avoid leaks. Verify the valve orientation matches OEM specifications and torque mounting bolts to recommended values. This valve does not include a solenoid, so no electrical connections are necessary.

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39604 meets or exceeds OEM standards, providing reliable performance and durability. Manufactured with precision materials and tested for quality, this valve is backed by Four Seasons' commitment to automotive HVAC component reliability. Warranty details should be confirmed with the product documentation or supplier.