Four Seasons 39464 A/C Expansion Valve

Reliable A/C Expansion Valve for Audi Models

The Four Seasons Expansion Valve 39464 is engineered to regulate refrigerant flow in your vehicle's air conditioning system. Designed specifically for select Audi models, this aluminum block-type valve ensures precise temperature control and system efficiency.

• 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 inlets/outlets with o-ring seals
• Meets or exceeds OEM specifications for reliable performance

Product Details and Specifications

This Four Seasons Expansion Valve 39464 features a block-type design made from aluminum, providing strength and resistance to wear. It is designed for use with R134a refrigerant, common in modern automotive A/C systems. The valve includes two mounting holes for stable attachment and uses female fittings on both suction and liquid inlets and outlets. The suction inlet and outlet fittings have No. 10 and No. 12 thread diameters respectively, while the liquid inlet and outlet fittings both have No. 8 thread diameters. All fittings are non-threaded and utilize captured o-ring seals to prevent leaks, with green o-rings included for secure connections. The liquid inlet and outlet sizes are approximately 0.540 inches (13.8 mm and 13.6 mm), ensuring compatibility with the specified Audi models.

Expansion Valve Product Line Overview

The Four Seasons Expansion Valve product line focuses on delivering precise refrigerant flow control components for automotive HVAC systems. This line is designed to meet or exceed OEM standards, providing reliable temperature regulation and system efficiency. The 39464 model is part of this line, tailored for specific Audi vehicles to maintain optimal air conditioning performance.

Compatible Audi Models and Common Applications

• Audi A6 and A6 Quattro
• Audi A7 and A7 Quattro
• Audi RS7
• Audi S6
• Audi S7

This expansion valve is used to regulate refrigerant flow within the A/C system, helping to maintain consistent cabin temperatures and prevent system issues.

• Resolves inconsistent cooling or fluctuating cabin temperatures
• Prevents refrigerant leaks due to worn or damaged valves
• Addresses A/C system inefficiencies caused by faulty flow restrictors
• Helps avoid compressor damage from improper refrigerant flow

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39464, ensure the system is properly evacuated and free of contaminants. Use the included green o-rings to secure all female fittings and prevent leaks. Verify the valve orientation matches OEM specifications for your Audi model. Tighten mounting bolts to manufacturer torque settings and inspect all connections for proper sealing before recharging the system with R134a refrigerant.

Quality Assurance and Warranty

This expansion valve meets or exceeds OEM quality standards, ensuring dependable performance in your Audi A6, A7, RS7, S6, or S7. Four Seasons provides a limited warranty on this part, covering defects in material and workmanship under normal use conditions.