Four Seasons 39172 A/C Expansion Valve

Overview of Four Seasons Expansion Valve 39172

The Four Seasons Expansion Valve 39172 is designed specifically for Subaru Forester and Impreza models. This A/C expansion valve regulates refrigerant flow in the vehicle's air conditioning system, ensuring optimal cooling performance with R134a refrigerant compatibility.

• Constructed from durable aluminum with a gold finish for corrosion resistance
• Block type design with two mounting holes for secure installation
• Compatible with R134a refrigerant systems
• Female suction and liquid inlet/outlet fittings with captured and insert o-ring seals
• Meets or exceeds OEM specifications for reliable performance

Detailed Product Features and Specifications

The Four Seasons Expansion Valve 39172 features a block type design made from aluminum, providing strength and resistance to corrosion. It includes two mounting holes to ensure a stable fit within the HVAC system. Both suction inlet and outlet fittings are female with No. 12 thread diameters, while liquid inlet and outlet fittings are female with No. 6 and No. 8 thread diameters respectively. The valve uses captured and insert o-ring styles for liquid inlet and outlet connections, enhancing the seal integrity and preventing refrigerant leaks. This valve is engineered for use with R134a refrigerant, common in Subaru Forester and Impreza air conditioning systems.

About the Four Seasons Expansion Valve Product Line

The Expansion Valve product line by Four Seasons focuses on precise refrigerant flow control components for automotive HVAC systems. These valves are designed to meet or exceed OEM standards, providing reliable temperature regulation and system efficiency. The 39172 model is part of this line, tailored to fit specific Subaru models and ensure compatibility with their factory A/C systems.

Applications and Common Issues Addressed

• Regulates refrigerant flow to maintain consistent cabin cooling
• Prevents compressor damage caused by improper refrigerant pressure
• Eliminates uneven cooling or warm spots inside the vehicle
• Resolves issues related to refrigerant leaks at valve connections
• Restores proper A/C system function in Subaru Forester and Impreza models

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39172, ensure the vehicle is compatible (Subaru Forester or Impreza). Use proper tools to avoid damaging the aluminum body or fittings. Verify that all o-rings are correctly seated to prevent leaks. Follow manufacturer torque specifications for mounting bolts and fittings. It is recommended to evacuate and recharge the A/C system after installation to maintain optimal performance.

Quality Assurance and Warranty

This expansion valve meets or exceeds OEM quality standards, ensuring dependable operation within Subaru HVAC systems. Four Seasons provides a limited warranty covering defects in material and workmanship, offering confidence in the product's durability and performance.