Four Seasons 39115 A/C Expansion Valve - Rear

Reliable A/C Expansion Valve for Nissan and Infiniti Vehicles

The Four Seasons Expansion Valve 39115 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 precise temperature control and efficient A/C performance.

• Constructed from durable aluminum material for corrosion resistance
• Compatible with R134a refrigerant systems
• Block type design with two mounting holes for secure installation
• Female fittings on suction and liquid inlet/outlet with captured o-ring seals
• Meets or exceeds OEM specifications for reliable fit and function

Four Seasons Expansion Valve Product Line Overview

The Expansion Valve product line by Four Seasons focuses on delivering precise refrigerant flow control components for automotive HVAC systems. This line includes block-type valves like part number 39115, designed to maintain optimal air conditioning efficiency and system reliability in vehicles such as the Nissan Armada, Pathfinder, Quest, and Infiniti QX56.

Detailed Product Description and Specifications

The Four Seasons 39115 A/C Expansion Valve is crafted from aluminum, providing a lightweight yet sturdy component resistant to corrosion. It is designed for use with R134a refrigerant, common in modern automotive A/C systems. The valve features a block-type construction with two mounting holes for secure attachment. Both suction and liquid inlet/outlet fittings are female with captured o-ring seals, ensuring leak-free connections. The suction inlet and outlet fittings have No. 10 and No. 12 thread diameters respectively, while the liquid inlet and outlet fittings have No. 6 and No. 8 thread diameters. The valve’s liquid inlet size measures 0.4 inches (10.2 mm), and the liquid outlet size is 0.54 inches (13.6 mm). This part meets or exceeds OEM standards, making it a dependable replacement for Nissan and Infiniti A/C systems.

Common Applications and Issues Addressed

• Restores proper refrigerant flow in Nissan Armada and Pathfinder A/C systems
• Resolves inconsistent cabin cooling in Infiniti QX56 and Quest models
• Eliminates A/C system pressure imbalances caused by faulty expansion valves
• Prevents compressor damage due to improper refrigerant metering
• Improves overall HVAC system efficiency and temperature regulation

Installation Notes and Tips

• Ensure system is evacuated and depressurized before removal
• Verify compatibility with vehicle make and model prior to installation
• Inspect and replace O-rings as needed to prevent leaks
• Use proper torque specifications on mounting bolts to avoid damage
• Test A/C system performance after installation to confirm proper operation

Quality Assurance and Warranty Information

The Four Seasons Expansion Valve 39115 is manufactured to meet or exceed OEM quality standards, ensuring reliable performance and durability. This part includes green O-rings ([24608] and [24610]) for secure sealing. While specific warranty details may vary, Four Seasons products typically come with a limited warranty covering defects in material and workmanship.