Four Seasons 39289 A/C Expansion Valve - Front

Reliable A/C Expansion Valve for Audi Q7 and Volkswagen Touareg

The Four Seasons Expansion Valve 39289 is engineered to regulate refrigerant flow in your vehicle's air conditioning system. Designed specifically for Audi Q7 and Volkswagen Touareg models, this aluminum block-type valve ensures precise temperature control and efficient A/C performance.

• Constructed from durable aluminum material with an aluminum finish
• Compatible with R134a refrigerant systems
• Block type design with two mounting holes for secure installation
• Female suction and liquid inlet/outlet fittings with No. 12 and No. 8 thread diameters respectively
• Captive o-ring liquid inlet and female insert o-ring liquid outlet for leak-free connections
• 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 39289, designed to maintain optimal air conditioning performance by regulating refrigerant pressure and flow. The valves are engineered to meet OEM standards, ensuring compatibility and durability for specific vehicle applications such as the Audi Q7 and Volkswagen Touareg.

Detailed Product Description and Specifications

The Four Seasons Expansion Valve 39289 is crafted from aluminum, providing corrosion resistance and long-lasting durability. It is designed for use with R134a refrigerant, the standard for many modern automotive A/C systems. The valve features a block-type construction with two mounting holes, allowing for secure attachment within the HVAC system. Both suction inlet and outlet fittings are female with No. 12 thread diameters, while the liquid inlet and outlet fittings are female with No. 8 thread diameters. The liquid inlet uses a captured o-ring style with an insert o-ring type connection, ensuring a tight seal to prevent refrigerant leaks. This valve meets or exceeds OEM requirements, making it a reliable replacement part for maintaining proper A/C system function in compatible vehicles.

Common Applications and Issues Addressed

• Regulates refrigerant flow to maintain consistent cabin temperature
• Prevents compressor damage caused by improper refrigerant pressure
• Resolves issues with fluctuating or insufficient cooling performance
• Eliminates refrigerant leaks due to worn or damaged expansion valves
• Restores proper A/C system operation in Audi Q7 and Volkswagen Touareg models

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39289, ensure the system is fully evacuated and free of contaminants before installation. Use proper torque specifications on the two mounting holes to avoid damage. Verify that all o-rings are correctly seated to prevent leaks. This valve is designed for R134a refrigerant systems; confirm compatibility with your vehicle's A/C system before installation. Professional installation is recommended to maintain system integrity and performance.

Quality Assurance and Warranty

Four Seasons Expansion Valve 39289 is manufactured to meet or exceed OEM standards, ensuring reliable performance and fitment for Audi Q7 and Volkswagen Touareg vehicles. The product includes green o-rings ([24668] and [24672]) for secure sealing. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.