Four Seasons 39634 A/C Expansion Valve

Reliable A/C Expansion Valve for Lexus and Toyota Vehicles

The Four Seasons Expansion Valve 39634 is designed to regulate refrigerant flow in automotive air conditioning systems. Engineered for compatibility with select Lexus and Toyota models, this aluminum block-type valve ensures precise temperature control and efficient cooling performance.

• Constructed from durable aluminum material
• Compatible with R134a refrigerant systems
• Block type design with two mounting holes for secure installation
• Female fittings with O-ring seals for suction and liquid inlets/outlets
• Meets or exceeds OEM specifications for reliable operation
• Designed without a solenoid for straightforward functionality
• Suitable for 1.5 ton A/C systems

About the Four Seasons Expansion Valve Product Line

The Four Seasons Expansion Valve line focuses on delivering precise refrigerant flow control components for automotive HVAC systems. This product line includes valves engineered to meet OEM standards, ensuring compatibility and performance across various vehicle makes and models. The 39634 expansion valve exemplifies this approach by providing a block-type valve optimized for R134a refrigerant systems in Lexus and Toyota vehicles.

Detailed Product Description and Specifications

The Four Seasons 39634 expansion valve is crafted from aluminum, offering corrosion resistance and durability under typical automotive operating conditions. It features female suction and liquid inlet/outlet fittings with O-ring seals, thread diameters of No. 12 for suction and No. 6 and No. 10 for liquid connections, ensuring a secure and leak-free fit. The valve’s block-type design includes two mounting holes for stable attachment within the HVAC system. It is designed for use with R134a refrigerant and supports a system tonnage of 1.5. The valve operates without a solenoid and does not include a switch, simplifying its integration into compatible air conditioning systems.

Common Applications and Issues Addressed

• Regulates refrigerant flow to maintain optimal evaporator temperature
• Prevents compressor damage caused by improper refrigerant metering
• Helps resolve inconsistent cabin cooling or fluctuating A/C performance
• Addresses issues related to refrigerant overfeeding or underfeeding
• Supports efficient operation in Lexus Avalon, Camry, ES300h, Highlander, RAV4, and RAV4 Prime models

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Use proper tools to avoid damaging O-ring seals during fitting
• Verify refrigerant type is R134a for system compatibility
• Inspect mounting holes and secure valve firmly to prevent leaks
• Follow manufacturer torque specifications for fittings and mounting hardware

Quality Assurance and Warranty Information

The Four Seasons Expansion Valve 39634 meets or exceeds OEM standards, providing reliable performance and durability. While specific warranty details may vary, Four Seasons products typically include coverage against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.