Four Seasons 39630 A/C Expansion Valve - Rear

Reliable A/C Expansion Valve for Mazda CX-9

The Four Seasons Expansion Valve 39630 is engineered to maintain optimal air conditioning performance in your Mazda CX-9. Designed specifically for R134a refrigerant systems, this aluminum block-type valve ensures precise refrigerant flow control for efficient cooling.

• Constructed from durable aluminum for long-lasting use
• Compatible with R134a refrigerant systems
• Block type design with two mounting holes for secure installation
• Female suction and liquid inlet/outlet fittings with O-ring seals
• Meets or exceeds OEM specifications for reliable performance
• Designed without solenoid for straightforward operation
• Superheat rating of 8.6 for accurate temperature regulation
• Thread diameters: No. 12 for suction fittings, No. 6 and No. 10 for liquid fittings

About the Four Seasons Expansion Valve Product Line

The Four Seasons Expansion Valve product line focuses on delivering precise refrigerant flow restrictors that meet OEM standards. This line includes block-type valves like the 39630, designed to provide consistent superheat control and compatibility with common refrigerants such as R134a. The Expansion Valve series supports efficient HVAC system operation in vehicles like the Mazda CX-9 by ensuring proper refrigerant metering and system balance.

Detailed Product Description

The Four Seasons 39630 A/C Expansion Valve is a block-type valve constructed from aluminum, providing durability and corrosion resistance. It features female suction and liquid inlet/outlet fittings with O-ring seals to prevent leaks and ensure a tight connection. The valve includes two mounting holes for secure attachment within the HVAC system. Its design supports R134a refrigerant, the standard for many modern vehicles, including the Mazda CX-9. The valve operates without a solenoid and has a superheat rating of 8.6, which helps maintain proper refrigerant flow and temperature control within the air conditioning system.

Common Applications and Issues Addressed

• Restores proper refrigerant flow in Mazda CX-9 A/C systems
• Resolves inconsistent cabin cooling or fluctuating temperatures
• Eliminates refrigerant leaks caused by worn or damaged valves
• Prevents compressor damage due to improper refrigerant metering
• Improves overall HVAC system efficiency and reliability

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39630, ensure the system is properly evacuated and free of contaminants. Use the two mounting holes to securely fasten the valve in place. Verify that all O-ring seals are intact and properly seated to prevent leaks. Compatible with Mazda CX-9 models using R134a refrigerant, this valve requires no solenoid wiring, simplifying installation. Always follow vehicle manufacturer guidelines for A/C system service and refrigerant handling.

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39630 meets or exceeds OEM specifications, ensuring reliable performance and fitment for the Mazda CX-9. Manufactured with high-quality aluminum and precision engineering, this valve is designed for durability and consistent operation. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in material and workmanship.