Four Seasons 39100 A/C Expansion Valve

Reliable A/C Expansion Valve for Ford, Jaguar, and Lincoln Models

The Four Seasons Expansion Valve 39100 is engineered to regulate refrigerant flow in your vehicle's air conditioning system. Designed specifically for Ford LS, Jaguar S-Type, Lincoln Super V8, and Thunderbird models, this aluminum block-type valve ensures precise temperature control and system efficiency.

Key Features of Four Seasons Expansion Valve 39100

• Constructed from durable aluminum for corrosion resistance and longevity
• Compatible with R134a refrigerant systems
• Block type design with two mounting holes for secure installation
• Female suction inlet and outlet fittings with No. 10 thread diameter
• Female liquid inlet and outlet fittings with No. 8 thread diameter and grooved o-ring seals
• Meets or exceeds OEM specifications for reliable performance
• Includes green o-rings [24608] and [24610] for proper sealing

About the Four Seasons Expansion Valve Product Line

The Expansion Valve product line from Four Seasons focuses on precise refrigerant flow control within automotive A/C systems. This line features block-type valves designed to fit specific vehicle applications, such as the Ford LS, Jaguar S-Type, Lincoln Super V8, and Thunderbird. The 39100 part number represents a valve engineered to maintain optimal system pressure and temperature, contributing to consistent cabin comfort and system reliability.

Detailed Product Description

The Four Seasons Expansion Valve 39100 is crafted from aluminum, providing a lightweight yet robust component that resists corrosion. It is designed for use with R134a refrigerant, the standard in many modern automotive A/C systems. The valve features female suction inlet and outlet fittings with a No. 10 thread diameter and a 7/8" - 18 suction inlet thread type, ensuring compatibility with factory lines. The liquid inlet and outlet fittings are also female with No. 8 thread diameter, utilizing grooved o-ring seals to prevent leaks. The block-type design includes two mounting holes for secure attachment, maintaining system integrity under various operating conditions.

Common Applications and Issues Addressed

• Regulates refrigerant flow to prevent compressor damage
• Maintains consistent cabin temperature in Ford LS, Jaguar S-Type, Lincoln Super V8, and Thunderbird
• Prevents A/C system freezing or overheating
• Ensures proper pressure balance within the A/C system
• Replaces faulty or worn expansion valves to restore system efficiency

Installation Notes and Tips

• Verify compatibility with your vehicle’s make and model before installation
• Ensure all fittings and o-rings are properly seated to avoid refrigerant leaks
• Use appropriate tools to avoid damaging threads on suction and liquid fittings
• Follow manufacturer guidelines for refrigerant handling and system evacuation
• Inspect the A/C system for other worn components during replacement

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39100 meets or exceeds OEM standards, ensuring reliable performance and durability. This part is manufactured with precision to maintain system integrity and is backed by Four Seasons’ quality assurance protocols. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use.