Four Seasons 39481 A/C Expansion Valve - Front

Reliable A/C Expansion Valve for Ford and Lincoln Vehicles

The Four Seasons Expansion Valve 39481 is engineered to regulate refrigerant flow in your vehicle's air conditioning system. Designed specifically for select Ford and Lincoln models, this aluminum block-type valve ensures precise temperature control and efficient A/C performance.

• Constructed from durable aluminum material
• Compatible with R134a refrigerant systems
• Block type design with 2 mounting holes for secure installation
• Female suction and liquid inlet/outlet fittings with sealing washer and O-ring styles
• Meets or exceeds OEM specifications for reliable fit and function

Four Seasons Expansion Valve Product Line Overview

The Expansion Valve line by Four Seasons focuses on delivering precise refrigerant metering components for automotive HVAC systems. This product line emphasizes OEM compatibility and quality materials, such as aluminum construction, to maintain system integrity and performance. The 39481 valve is part of this line, offering a block-type design optimized for specific Ford and Lincoln models.

Detailed Product Description and Specifications

The Four Seasons Expansion Valve 39481 is crafted from aluminum, providing corrosion resistance and durability under typical automotive operating conditions. It is designed for use with R134a refrigerant, the standard in many modern vehicles. The valve features a block-type configuration with two mounting holes, ensuring a secure fit within the HVAC system. Both suction inlet and outlet fittings are female, with thread diameters of No. 10 and No. 12 respectively, and are non-threaded to accommodate sealing washers and O-rings for leak prevention. The liquid inlet and outlet fittings also use female connections with sealing washer and O-ring styles, sized at No. 6 and No. 8 thread diameters. This valve meets or exceeds OEM standards, making it a reliable replacement part for Ford Explorer, Flex, MKS, MKT, and Taurus models.

Common Applications and Issues Addressed

• Regulates refrigerant flow to maintain optimal A/C cooling performance
• Prevents compressor damage caused by improper refrigerant metering
• Resolves inconsistent cabin temperature issues
• Eliminates refrigerant leaks due to worn or damaged expansion valves
• Restores proper pressure balance within the A/C system

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39481, ensure the system is fully evacuated and free of contaminants before replacement. Use appropriate sealing washers and O-rings as specified to prevent leaks. Verify compatibility with your vehicle’s make and model—specifically Ford Explorer, Flex, MKS, MKT, and Taurus models. Proper torque on mounting bolts and fittings is essential to maintain system integrity.

Quality Assurance and Warranty

This expansion valve meets or exceeds OEM specifications, ensuring reliable performance and fitment. Four Seasons provides quality assurance backed by industry standards. Please refer to the manufacturer’s warranty documentation for specific coverage details.