Four Seasons 39482 A/C Expansion Valve - Rear

Reliable Four Seasons Expansion Valve for Automotive A/C Systems

The Four Seasons Expansion Valve 39482 is engineered to regulate refrigerant flow in automotive air conditioning systems using R134a refrigerant. Designed with durable aluminum construction, this block-type valve ensures consistent performance and compatibility with various vehicle makes and models requiring precise A/C flow control.

• Constructed from corrosion-resistant aluminum for durability
• 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 fit and function

Detailed Features and Specifications of Part Number 39482

This Four Seasons Expansion Valve 39482 features a block-type design optimized for efficient refrigerant metering in automotive A/C systems. The valve includes two mounting holes for stable attachment and is made entirely of aluminum, providing resistance to corrosion and heat. Both suction inlet and outlet fittings are female with No. 10 thread diameters, while liquid inlet and outlet fittings are female with No. 6 and No. 8 thread diameters respectively. The valve uses O-ring style seals on liquid inlet and outlet connections to prevent leaks and maintain system integrity. It is designed specifically for R134a refrigerant, a common standard in modern vehicles.

About the Four Seasons Expansion Valve Product Line

The Expansion Valve line from Four Seasons focuses on precise refrigerant flow restriction to optimize air conditioning system performance. This product line includes block-type valves like the 39482, which are engineered to meet or exceed OEM standards, ensuring compatibility and reliable operation across a range of vehicle applications. The design emphasizes durability and leak prevention through quality materials and O-ring sealing technology.

Common Applications and Issues Addressed

• Regulates refrigerant flow to maintain proper evaporator pressure
• Prevents compressor damage caused by improper refrigerant metering
• Eliminates inconsistent cabin cooling due to faulty expansion valves
• Resolves A/C system leaks related to worn or damaged valve seals
• Improves overall air conditioning efficiency in vehicles using R134a refrigerant

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39482, ensure the mounting holes align securely with the vehicle’s A/C system bracket. Use appropriate O-ring lubricants compatible with R134a refrigerant to maintain seal integrity. Verify that suction and liquid fittings are properly seated and tightened to avoid leaks. This valve is designed without a solenoid, so no electrical connections are required. Always follow vehicle-specific service manuals for torque specifications and installation procedures.

Quality Assurance and Warranty Information

The Four Seasons Expansion Valve 39482 meets or exceeds OEM quality standards, providing dependable performance in automotive air conditioning systems. Manufactured with precision aluminum components and O-ring seals, this valve is built for durability and leak resistance. 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 packaging or manufacturer resources for exact warranty terms.