Four Seasons 39586 A/C Expansion Valve - Rear

Overview of Four Seasons Expansion Valve 39586

The Four Seasons Expansion Valve 39586 is designed for precise control of refrigerant flow in automotive air conditioning systems. Engineered from durable aluminum, this block-type valve is compatible with R134a refrigerant and fits a range of BMW models including the 740i, M3, and M550i xDrive.

• Constructed from corrosion-resistant aluminum material
• Compatible with R134a refrigerant systems
• Block type design with two mounting holes for secure installation
• Female suction and liquid inlet/outlet fittings with O-ring seals
• Meets or exceeds OEM specifications for reliable performance

Detailed Product Features and Specifications

The Four Seasons Expansion Valve 39586 features a block-type design that ensures consistent refrigerant flow control within the HVAC system. Its aluminum construction offers durability and resistance to corrosion, essential for long-term operation. The valve includes two mounting holes for stable attachment and uses female fittings on both suction and liquid inlet/outlet ports. Thread diameters vary by port, with suction inlet at No. 10 and outlet at No. 12, while liquid inlet and outlet fittings are both No. 8. The valve employs O-ring seals, including captive O-rings on the liquid outlet, to prevent leaks and maintain system integrity. This part is specifically designed for use with R134a refrigerant, common in many BMW air conditioning systems.

About the Four Seasons Expansion Valve Product Line

The Expansion Valve product line from Four Seasons focuses on delivering precise refrigerant metering components for automotive A/C systems. These valves are engineered to meet or exceed OEM standards, ensuring compatibility and reliable operation across various vehicle makes and models. The 39586 valve exemplifies this line by combining robust materials and exact fitment specifications tailored for BMW vehicles.

Compatible BMW Models and Applications

This A/C expansion valve is compatible with a wide range of BMW models, including but not limited to the 740e xDrive, 740i, 740Li xDrive, 750i, 760Li, ActiveHybrid 7, M2, M3, M4, M5, M6 Gran Coupe, M140i, M240i xDrive, M550i xDrive, and M760Li xDrive. It is designed to replace OEM expansion valves in these vehicles, ensuring proper refrigerant flow and optimal air conditioning performance.

• Regulates refrigerant flow to maintain proper cooling
• Prevents A/C system freezing or overheating
• Eliminates inconsistent cabin temperatures
• Resolves issues with compressor cycling or failure
• Helps maintain system pressure balance

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39586, ensure the system is fully evacuated and free of contaminants before installation. Use the included O-rings and verify proper seating to prevent leaks. The two mounting holes provide secure attachment points; torque bolts to manufacturer specifications. Confirm compatibility with your specific BMW model and refrigerant type (R134a) prior to installation. Professional installation is recommended to maintain system integrity and performance.

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39586 meets or exceeds OEM quality standards, providing reliable performance in demanding automotive HVAC applications. The valve includes green O-rings ([23680] and [24608]) for effective sealing. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.