Four Seasons 39658 A/C Expansion Valve - Front

Reliable A/C Expansion Valve for Ford and Lincoln Vehicles

The Four Seasons Expansion Valve 39658 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 with an aluminum finish
• Compatible with R134a refrigerant systems
• Block type design with two mounting holes for secure installation
• Female suction and liquid inlet/outlet fittings with sealing washer style
• Thread diameters: suction inlet No. 10, suction outlet No. 12, liquid inlet No. 6, liquid outlet No. 8
• Meets or exceeds OEM specifications
• Designed without a solenoid and does not include a switch
• Super heat rating of -13.500 and 1.000 tonnage capacity

About the Four Seasons Expansion Valve Product Line

The Expansion Valve line from Four Seasons focuses on delivering precise refrigerant flow control for automotive A/C systems. This product line is designed to meet or exceed original equipment manufacturer standards, providing reliable performance and compatibility with various vehicle makes and models. The 39658 valve exemplifies this commitment by offering a block-type design optimized for efficient cooling in Ford and Lincoln vehicles.

Detailed Product Description

The Four Seasons Expansion Valve 39658 is crafted from aluminum to provide corrosion resistance and long-lasting durability. Its block-type construction includes two mounting holes for a secure fit. The valve features female fittings on both suction and liquid sides, each equipped with sealing washers to prevent leaks. Thread diameters are precisely sized to match OEM specifications, ensuring proper connection within the A/C system. Compatible with R134a refrigerant, this valve supports a 1.000 tonnage capacity and a super heat rating of -13.500, contributing to optimal air conditioning performance in vehicles such as the Ford Escape, Bronco Sport, Mustang Mach-E, and Lincoln Nautilus.

Common Applications and Issues Addressed

• Regulates refrigerant flow to maintain consistent cabin temperature
• Prevents A/C system freezing or overheating due to improper refrigerant metering
• Replaces faulty or worn expansion valves causing reduced cooling efficiency
• Addresses leaks or pressure drops in the A/C flow restrictor component
• Restores proper super heat levels for improved system performance

Installation Notes and Tips

Ensure the vehicle’s A/C system is fully evacuated and depressurized before installation. Verify compatibility with your specific Ford or Lincoln model, including Aviator, Corsair, Explorer, or Mustang Mach-E. Use appropriate sealing washers on all fittings to prevent leaks. Tighten mounting bolts securely using the two provided holes. Avoid overtightening fittings to prevent damage to threads. After installation, test the system for proper refrigerant flow and temperature regulation.

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39658 meets or exceeds OEM standards for fit, form, and function. Manufactured with high-quality aluminum and precision engineering, this valve is designed for durability and reliable operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.