Four Seasons 39425 A/C Expansion Valve - Rear

Overview of Four Seasons Expansion Valve 39425

The Four Seasons Expansion Valve 39425 is designed specifically for Dodge Durango models, ensuring precise control of refrigerant flow in the vehicle's air conditioning system. Crafted from durable aluminum, this block-type A/C expansion valve is engineered to meet or exceed OEM standards for reliable HVAC performance.

• Material: Aluminum construction for durability and corrosion resistance
• Refrigerant Type: Compatible with R134a refrigerant
• Type: Block type expansion valve
• Mounting: Features 2 mounting holes for secure installation
• Fittings: 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
• OEM Compliance: Meets or exceeds original equipment manufacturer specifications

Four Seasons Expansion Valve Product Line Details

The Four Seasons Expansion Valve product line focuses on delivering precise refrigerant metering components that maintain optimal A/C system efficiency. This line includes block-type valves like part number 39425, designed to regulate refrigerant flow accurately in vehicles such as the Dodge Durango. The valves are engineered for compatibility with R134a refrigerant and incorporate sealing washer fittings to ensure leak-free connections.

Detailed Product Description

The Four Seasons Expansion Valve 39425 is a critical component in the HVAC system of Dodge Durango vehicles. Constructed from aluminum, it offers resistance to corrosion and heat, which contributes to long-term durability. The block-type design allows for efficient refrigerant flow restriction, essential for maintaining proper cooling performance. Both suction and liquid fittings are female with sealing washer styles, providing secure, leak-resistant connections without threaded fittings. The valve includes two mounting holes for stable installation within the A/C system. This expansion valve is compatible with R134a refrigerant, the standard for many modern vehicles, ensuring proper system function and refrigerant flow control.

Common Applications and Issues Addressed

• Regulates refrigerant flow to prevent compressor damage
• Maintains consistent cabin cooling performance
• Prevents A/C system freezing or overheating
• Eliminates refrigerant leaks due to worn or damaged valves
• Restores proper pressure balance within the A/C system

Installation Notes and Tips

• Ensure compatibility with Dodge Durango models before installation
• Use proper tools to avoid damaging sealing washers during fitting connections
• Inspect mounting holes and secure valve firmly to prevent vibration
• Verify refrigerant type R134a is used in the system
• Check for leaks after installation to confirm sealing integrity

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39425 meets or exceeds OEM specifications, providing reliable performance for Dodge Durango HVAC systems. The part includes slim line sealing washers (O-Ring numbers 24401 and 24402) to ensure leak-free operation. While specific warranty details are not provided here, Four Seasons products typically come with manufacturer-backed quality assurance to support durability and fitment accuracy.