Four Seasons 39674 A/C Expansion Valve

Reliable A/C Expansion Valve for Mazda 3 and CX-30 Models

The Four Seasons Expansion Valve 39674 is designed to regulate refrigerant flow in your vehicle's air conditioning system. Engineered for Mazda 3, Mazda 3 Sport, and Mazda CX-30 models, this aluminum block-type valve ensures efficient cooling performance with R134a refrigerant.

Key Features of Four Seasons Expansion Valve 39674

• Constructed from durable aluminum for long-lasting use
• Compatible with R134a refrigerant systems
• Block type design without solenoid for precise flow control
• Liquid and suction inlet/outlet sizes: No. 6, No. 10, and No. 12 with O-ring seals
• Meets or exceeds OEM specifications for reliable fit and function
• Designed for 1-ton A/C systems with a superheat rating of -4.50

About the Four Seasons Expansion Valve Product Line

The Expansion Valve line from Four Seasons focuses on delivering components that regulate refrigerant flow within automotive A/C systems. This product line emphasizes OEM compatibility and precise temperature control, helping maintain optimal air conditioning performance. The 39674 valve is a block-type design without a solenoid, suitable for specific Mazda models requiring reliable refrigerant metering.

Detailed Product Description

The Four Seasons Expansion Valve 39674 is crafted from aluminum, providing strength and corrosion resistance essential for HVAC components. It is designed specifically for vehicles using R134a refrigerant, ensuring compatibility with modern A/C systems. The valve features O-ring sealed liquid and suction inlets and outlets sized No. 6, No. 10, and No. 12, which help maintain a secure, leak-free connection. Its block-type construction without a solenoid simplifies the design while maintaining precise refrigerant flow control. This valve meets or exceeds OEM standards, making it a dependable replacement part for Mazda 3, Mazda 3 Sport, and Mazda CX-30 models.

Common Issues Addressed by This Expansion Valve

• Inconsistent or insufficient cooling performance in Mazda 3 and CX-30 A/C systems
• Refrigerant flow restrictions causing compressor strain or failure
• Leaks or damage in the original expansion valve leading to system inefficiency
• Improper superheat levels affecting air conditioning output
• Replacement of worn or faulty OEM expansion valves in R134a systems

Installation Notes and Tips

• Ensure compatibility with Mazda 3, Mazda 3 Sport, and Mazda CX-30 models before installation
• Check that all O-ring seals are properly seated to prevent refrigerant leaks
• System evacuation and recharge with R134a refrigerant is required after installation
• Verify superheat settings to optimize A/C system performance
• Professional installation is recommended to maintain system integrity

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39674 is manufactured to meet or exceed OEM specifications, ensuring reliable performance and fitment. While specific warranty details are not provided, Four Seasons products typically undergo rigorous quality control to support durability and function in automotive HVAC systems.