Four Seasons 39698 A/C Expansion Valve - Rear

Reliable A/C Expansion Valve for Volkswagen Atlas

The Four Seasons Expansion Valve 39698 is engineered to regulate refrigerant flow in your Volkswagen Atlas's air conditioning system. Designed specifically for R134a refrigerant, this aluminum block-type valve ensures precise temperature control and efficient cooling performance.

• Constructed from durable aluminum material
• Compatible with R134a refrigerant systems
• Block type design without solenoid for reliable operation
• Liquid inlet size: No. 6 (11.8 mm) with O-ring style
• Liquid outlet size: No. 10 (13.6 mm) with O-ring style
• Suction inlet size: No. 8 (16.4 mm) with O-ring style
• Suction outlet size: No. 10 (18 mm) with O-ring style
• Meets or exceeds OEM specifications
• Designed for 1-ton A/C systems with superheat of -0.5

About the Four Seasons Expansion Valve Product Line

The Expansion Valve line from Four Seasons focuses on delivering precise refrigerant flow control for automotive air conditioning systems. This product line is engineered to meet or exceed OEM standards, providing reliable performance and compatibility with specific vehicle models. The 39698 valve is part of this line, designed to maintain optimal superheat and system efficiency without the use of a solenoid.

Detailed Product Description

The Four Seasons Expansion Valve 39698 is a block-type A/C expansion valve made from aluminum, offering corrosion resistance and durability. It is designed for use with R134a refrigerant, the standard for many modern vehicles including the Volkswagen Atlas. The valve features O-ring style liquid and suction inlet and outlet connections, ensuring a secure and leak-free fit. With liquid inlet and outlet sizes of No. 6 and No. 10 respectively, and suction inlet and outlet sizes of No. 8 and No. 10, this valve is engineered to maintain proper refrigerant flow and system pressure. The valve’s superheat rating of -0.5 and 1-ton tonnage rating make it suitable for the Volkswagen Atlas’s HVAC requirements.

Common Issues Addressed by This Expansion Valve

• Inconsistent or insufficient cooling performance in Volkswagen Atlas A/C systems
• Refrigerant flow restrictions causing system inefficiency
• Leaks or failures in the expansion valve leading to compressor strain
• Improper superheat levels affecting temperature regulation
• Replacement of worn or damaged OEM expansion valves

Installation Notes and Tips

This expansion valve is designed for direct replacement in Volkswagen Atlas models compatible with R134a refrigerant systems. Ensure all O-rings are properly seated to prevent leaks. Since mounting hardware is not included, retain original fasteners or source appropriate hardware separately. It is recommended to have the A/C system evacuated and recharged by a qualified technician after installation to maintain system integrity and performance.

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39698 meets or exceeds OEM specifications, ensuring reliable fit and function. Manufactured with high-quality aluminum and precision engineering, this valve is built for durability and consistent performance. Warranty details should be confirmed with the product documentation or supplier.