Four Seasons 39682 A/C Expansion Valve - Front

Reliable A/C Expansion Valve for Nissan and Infiniti Vehicles

The Four Seasons Expansion Valve 39682 is engineered to regulate refrigerant flow in your vehicle's air conditioning system. Designed specifically for select Nissan and Infiniti models, this aluminum block-type valve ensures efficient cooling performance with R134a refrigerant compatibility.

• Constructed from durable aluminum for long-lasting use
• Compatible with R134a refrigerant systems
• Block type design without solenoid for precise flow control
• O-ring style liquid and suction inlet/outlet connections
• Meets or exceeds OEM specifications for reliable fit and function
• Includes mounting hardware for straightforward installation
• Designed for 1.5 tonnage A/C systems with a superheat rating of -12

About the Four Seasons Expansion Valve Product Line

The Four Seasons Expansion Valve line offers a range of A/C flow restrictors designed to maintain optimal refrigerant flow and system pressure. The 39682 model is part of this line, providing a block-type valve solution without a solenoid, suitable for various Nissan and Infiniti vehicles. This product line focuses on OEM-level quality and compatibility to support efficient air conditioning system operation.

Detailed Product Description

This A/C expansion valve features a block-type design constructed from aluminum, ensuring durability and resistance to corrosion. It is designed for use with R134a refrigerant, common in many modern vehicles. The valve includes O-ring style liquid inlet and outlet connections sized No. 6 and No. 8 respectively, as well as suction inlet and outlet connections sized No. 10 and No. 12. These precise fittings help maintain a secure, leak-free seal within the A/C system. The valve is engineered to meet or exceed OEM standards, making it a reliable replacement part for Nissan 370Z, Altima, Armada, Frontier, Maxima, Murano, Rogue, TITAN, and Infiniti QX50, QX55, and QX80 models.

Common Applications and Issues Addressed

• Regulates refrigerant flow to prevent A/C system freezing or overheating
• Restores proper cooling performance in vehicles with inconsistent cabin temperatures
• Replaces faulty or worn expansion valves causing low refrigerant pressure
• Helps eliminate compressor cycling issues related to improper refrigerant metering
• Supports efficient operation of 1.5 tonnage A/C systems in compatible Nissan and Infiniti models

Installation Notes and Tips

Ensure the A/C system is properly evacuated and recharged with R134a refrigerant during installation. Verify all O-ring seals are intact and properly seated to prevent leaks. The Four Seasons 39682 expansion valve includes mounting hardware to facilitate installation. It is recommended to inspect related components such as the receiver/drier and compressor for optimal system performance.

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39682 is manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. Constructed from high-quality aluminum and designed for R134a refrigerant systems, this valve supports consistent A/C performance. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use.