Four Seasons 38849 A/C Expansion Valve - Front or Rear

Reliable A/C Expansion Valve for Chrysler, Dodge, and Plymouth Vehicles

The Four Seasons Expansion Valve 38849 is engineered to regulate refrigerant flow in your vehicle's air conditioning system. Designed specifically for select Chrysler, Dodge, and Plymouth models, this aluminum block-type valve ensures efficient cooling performance with R134a refrigerant compatibility.

• Constructed from durable aluminum material for corrosion resistance
• Compatible with R134a refrigerant systems
• Block-type design with dual o-ring liquid inlet and gasket liquid outlet
• Two mounting holes for secure installation
• Female suction and liquid inlet/outlet fittings with specified thread diameters
• Meets or exceeds OEM specifications for reliable fit and function

Four Seasons Expansion Valve Product Line Overview

The Expansion Valve product line by Four Seasons focuses on precise refrigerant flow control within automotive HVAC systems. This line includes block-type valves designed to maintain optimal pressure and temperature balance, contributing to consistent air conditioning performance. Part number 38849 is part of this line, offering compatibility with a range of Chrysler, Dodge, and Plymouth vehicles and engineered to meet OEM standards.

Detailed Product Description and Specifications

The Four Seasons Expansion Valve 38849 features a robust aluminum construction with an aluminum color finish, ensuring durability and resistance to corrosion. It is designed for use with R134a refrigerant, the standard for many modern automotive A/C systems. The valve includes two mounting holes for secure attachment and features female suction inlet and outlet fittings with No. 12 thread diameters, both non-threaded for proper sealing. The liquid inlet and outlet fittings are also female, with No. 6 and No. 8 thread diameters respectively, utilizing O-ring and gasket sealing styles to prevent leaks. The liquid inlet size measures 0.430 inches (10.8 mm), and the liquid outlet size is 0.550 inches (14.0 mm). This expansion valve meets or exceeds OEM requirements, ensuring compatibility and reliable operation in your vehicle's HVAC system.

Common Applications and Issues Addressed

• Restores proper refrigerant flow in Chrysler, Dodge, and Plymouth A/C systems
• Resolves inconsistent cabin cooling or fluctuating air temperatures
• Eliminates refrigerant leaks caused by worn or damaged expansion valves
• Prevents compressor damage due to improper refrigerant metering
• Improves overall HVAC system efficiency and longevity

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 38849, ensure the vehicle is compatible by verifying the make and model, including Chrysler Caravan, Dodge Dakota, Plymouth Sundance, and other listed models. Use proper tools to avoid damaging the aluminum fittings and ensure all O-rings and gaskets are correctly seated to prevent leaks. It is recommended to evacuate and recharge the A/C system following installation to maintain optimal performance.

Quality Assurance and Warranty Information

This expansion valve is manufactured to meet or exceed OEM specifications, providing dependable performance and fitment. Four Seasons products typically come with a limited warranty covering defects in material and workmanship. Please refer to the product packaging or manufacturer documentation for specific warranty details related to part number 38849.