Four Seasons 39667 A/C Expansion Valve - Rear

Overview of Four Seasons Expansion Valve 39667

The Four Seasons Expansion Valve 39667 is designed specifically for Land Rover Defender 110 models, ensuring precise control of refrigerant flow in the vehicle's A/C system. Manufactured from durable aluminum, this block-type expansion valve supports R134a refrigerant and features a solenoid for enhanced system regulation.

• Material: Aluminum for corrosion resistance and durability
• Refrigerant Type: Compatible with R134a systems
• Type: Block type expansion valve with solenoid
• Mounting: Two mounting holes for secure installation
• Fittings: Female suction and liquid inlet/outlet fittings with sealing washer style
• Thread Diameters: Suction fittings No. 12, liquid inlet No. 6, liquid outlet No. 8
• OEM Compliance: Meets or exceeds original equipment manufacturer standards
• Super Heat Setting: -0.8 for optimized refrigerant flow
• Tonnage: Rated for 1.5 ton A/C systems

About the Four Seasons Expansion Valve Product Line

The Expansion Valve product line by Four Seasons focuses on delivering reliable A/C flow restrictors that maintain proper refrigerant metering and system efficiency. This line includes block-type valves equipped with solenoids to provide precise control over refrigerant expansion, which is critical for maintaining optimal cooling performance in vehicles like the Land Rover Defender 110.

Detailed Product Description

The Four Seasons Expansion Valve 39667 is engineered to regulate refrigerant flow within the air conditioning system of the Land Rover Defender 110. Constructed from aluminum, it offers resistance to corrosion and long service life. The valve is designed as a block type with integrated solenoid control, allowing for accurate modulation of refrigerant expansion. Both suction and liquid fittings are female with sealing washer styles, ensuring leak-free connections. Thread diameters are standardized to No. 12 for suction fittings and No. 6 and No. 8 for liquid inlet and outlet respectively. This valve supports R134a refrigerant and is rated for 1.5 ton systems, making it suitable for the Defender 110's HVAC requirements.

Common Issues Addressed by This Expansion Valve

• Inconsistent cabin cooling due to improper refrigerant flow
• Refrigerant leaks from worn or damaged expansion valves
• Reduced A/C efficiency caused by faulty solenoid operation
• System pressure imbalances affecting compressor performance
• Failure to maintain correct superheat levels in the A/C system

Installation Notes and Tips

• Ensure compatibility with Land Rover Defender 110 before installation
• Use proper sealing washers on all fittings to prevent leaks
• Verify mounting hole alignment for secure attachment
• Check refrigerant type (R134a) compatibility with the vehicle system
• Follow manufacturer torque specifications for fittings and mounting bolts

Quality Assurance and Warranty

This Four Seasons Expansion Valve 39667 meets or exceeds OEM standards for fit, form, and function. Manufactured with high-quality aluminum and precision engineering, it is designed to provide reliable performance in the Land Rover Defender 110's HVAC system. Warranty details should be confirmed with the product documentation or supplier.