Four Seasons 39647 A/C Expansion Valve

Reliable A/C Expansion Valve for BMW Models

The Four Seasons Expansion Valve 39647 is engineered to regulate refrigerant flow in your vehicle's air conditioning system. Designed specifically for select BMW models, this aluminum block-type valve ensures precise temperature control and efficient cooling performance.

• Constructed from durable aluminum for long-lasting use
• Compatible with R134a refrigerant systems
• Block type design with two mounting holes for secure installation
• Female suction and liquid inlet/outlet fittings with sealing washer style
• Meets or exceeds OEM specifications for reliable fit and function

About the Four Seasons Expansion Valve Product Line

The Four Seasons Expansion Valve line focuses on delivering dependable A/C flow restrictors that maintain optimal refrigerant metering. This product line is designed to provide consistent superheat control and efficient cooling without the need for a solenoid, making it suitable for various BMW vehicles requiring precise temperature regulation.

Product Details and Specifications

This A/C expansion valve features a block-type design made from aluminum, ensuring durability and resistance to corrosion. It is compatible with R134a refrigerant and includes female suction and liquid inlet/outlet fittings with No. 12, No. 6, and No. 8 thread diameters, all utilizing sealing washers for leak prevention. The valve has two mounting holes for secure attachment and operates without a solenoid. It is engineered to meet or exceed OEM standards, providing a reliable replacement for your BMW's HVAC system.

Compatible BMW Models and Applications

• BMW 230i, 230i xDrive
• BMW 330e, 330i, 330i xDrive
• BMW 430i, 430i Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe
• BMW M2, M3, M4
• BMW M240i, M240i xDrive, M340i, M340i xDrive
• BMW M440i, M440i Gran Coupe, M440i xDrive, M440i xDrive Gran Coupe
• BMW X3, X4, Z4

Common Issues Addressed by This Expansion Valve

• Inconsistent cabin cooling due to faulty refrigerant flow
• Reduced A/C system efficiency and performance
• Leaks caused by worn or damaged fittings and seals
• Overheating of the evaporator from improper superheat control
• Failure of OEM expansion valve components

Installation Notes and Tips

Ensure the A/C system is properly evacuated and charged with R134a refrigerant before installation. Verify that all fittings use sealing washers to prevent leaks. The valve mounts securely using two mounting holes; confirm correct orientation and torque specifications per BMW service guidelines. This expansion valve does not include a solenoid, so no electrical connections are required.

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39647 meets or exceeds OEM quality standards, providing reliable performance for your BMW's HVAC system. Manufactured from corrosion-resistant aluminum and designed for precise refrigerant metering, this valve supports consistent air conditioning operation. Warranty details should be confirmed with the product documentation or supplier.