Four Seasons 39678 A/C Expansion Valve

Reliable A/C Expansion Valve for Hyundai Sonata

The Four Seasons Expansion Valve 39678 is designed to regulate refrigerant flow in your Hyundai Sonata's air conditioning system. Crafted from durable aluminum, this block-type valve ensures efficient cooling performance with R134a refrigerant compatibility.

• Constructed from high-quality aluminum for durability
• Compatible with R134a refrigerant systems
• Block type design for precise refrigerant flow control
• O-ring style liquid and suction inlet/outlet connections
• Meets or exceeds OEM specifications for Hyundai Sonata
• Includes mounting hardware for straightforward installation
• Designed without solenoid for specific system requirements
• Liquid inlet size No. 6 and outlet size No. 10
• Suction inlet and outlet size No. 12
• Super heat rating of -9.0 and 1.0 tonnage capacity

About the Four Seasons Expansion Valve Product Line

The Four Seasons Expansion Valve product line focuses on delivering precise refrigerant flow restrictors that meet or exceed original equipment manufacturer standards. This line is engineered to provide reliable performance and compatibility with various vehicle HVAC systems, including the Hyundai Sonata. The 39678 model exemplifies this commitment by offering a block-type valve designed specifically for R134a refrigerant systems.

Detailed Product Description

The Four Seasons Expansion Valve 39678 is a block-type A/C expansion valve constructed from aluminum, ensuring corrosion resistance and long service life. It is designed for use with R134a refrigerant, the standard for many modern automotive air conditioning systems. The valve features O-ring style connections on both liquid and suction inlets and outlets, sized No. 6, No. 10, and No. 12 respectively, to provide a secure and leak-resistant fit. This valve operates without a solenoid, suitable for systems that do not require electronic control of refrigerant flow. With a super heat rating of -9.0 and a tonnage capacity of 1.0, it effectively regulates refrigerant flow to maintain optimal cooling performance in the Hyundai Sonata.

Common Issues Addressed by This Expansion Valve

• Inconsistent or insufficient air conditioning cooling
• Refrigerant flow restrictions causing system inefficiency
• Leaks or damage in the original expansion valve
• Failure to maintain proper super heat levels
• Replacement for OEM valves that no longer meet performance standards

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39678 on a Hyundai Sonata, ensure all O-ring seals are properly lubricated and seated to prevent leaks. Verify compatibility with the vehicle’s R134a refrigerant system and confirm the valve’s orientation matches the original part. Proper evacuation and recharging of the A/C system are essential after installation to maintain system integrity and performance.

Quality Assurance and Warranty

This Four Seasons Expansion Valve meets or exceeds OEM specifications, providing reliable performance for Hyundai Sonata air conditioning systems. The part number 39678 is backed by Four Seasons’ quality standards, ensuring durability and fitment accuracy. Please refer to Four Seasons’ warranty policy for specific coverage details.