Four Seasons 39366 A/C Expansion Valve

Overview of Four Seasons Expansion Valve 39366

The Four Seasons Expansion Valve 39366 is engineered for precise control of refrigerant flow in automotive air conditioning systems. Designed specifically for Hyundai and Kia models, including the Santa Fe, Sorento, and Soul, this aluminum block-type valve ensures efficient A/C performance with R134a refrigerant.

• Constructed from durable aluminum material
• Compatible with R134a refrigerant systems
• Block type design with two mounting holes for secure installation
• Female suction and liquid inlet/outlet fittings with No. 6 and No. 10 thread diameters
• Includes green O-rings for reliable sealing
• Meets or exceeds OEM specifications

Four Seasons Expansion Valve Product Line Details

The Expansion Valve product line by Four Seasons focuses on delivering reliable A/C flow restrictors that regulate refrigerant flow accurately to maintain optimal cooling efficiency. This line is designed to meet OEM standards, providing a direct replacement for factory-installed valves. The 39366 model exemplifies this with its block-type construction and precise fitting specifications tailored for select Hyundai and Kia vehicles.

Technical Description and Specifications

This A/C expansion valve is made from aluminum, offering corrosion resistance and durability under typical automotive operating conditions. It features female suction inlet and outlet fittings, both sized at No. 10 with non-threaded connections, and female liquid inlet and outlet fittings sized at No. 6 and No. 10 respectively, also non-threaded. The valve uses insert o-ring types for both liquid inlet and outlet, ensuring a secure and leak-free connection. The liquid inlet size measures 0.35 inches (9 mm), while the liquid outlet size is 0.65 inches (16.4 mm). The valve includes three green O-rings ([24610] and [24646]) to maintain system integrity. This part is compatible with R134a refrigerant and designed to fit Hyundai Santa Fe, Kia Sorento, and Kia Soul models.

Common Applications and Problem Resolution

• Regulates refrigerant flow to prevent A/C system freezing or overheating
• Restores proper cooling performance in Hyundai Santa Fe, Kia Sorento, and Soul A/C systems
• Replaces faulty or leaking expansion valves causing inconsistent cabin temperatures
• Addresses issues related to improper refrigerant metering in R134a systems
• Helps eliminate compressor cycling problems linked to expansion valve failure

Installation Notes and Tips

Ensure the vehicle’s A/C system is fully evacuated and free of contaminants before installing the expansion valve. Verify compatibility with the specific Hyundai or Kia model year and refrigerant type (R134a). Use the included green O-rings to secure fittings and prevent leaks. Tighten mounting bolts to manufacturer torque specifications. After installation, recharge the system with the correct refrigerant amount and test for proper operation.

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39366 meets or exceeds OEM quality standards, providing reliable performance and durability. This part is manufactured with precision to ensure proper fit and function in compatible Hyundai and Kia vehicles. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.