Four Seasons 39079 A/C Expansion Valve

Four Seasons 39079 Expansion Valve Overview

The Four Seasons 39079 expansion valve is a block-type A/C flow restrictor built for R134A systems. It is an aluminum, OE-style replacement that meets or exceeds OEM requirements and is specified for 1.0 ton applications with a 9.0 superheat setting.

Compatible with Chrysler Sebring and Dodge Stratus applications, this Four Seasons expansion valve is used in select 2002-2006 HVAC systems where precise refrigerant metering is required. The 39079 part number is also referenced by multiple aftermarket cross numbers for the same application.

Key Features

• Part number 39079 from Four Seasons Expansion Valve line
• Block-type A/C expansion valve for R134A refrigerant systems
• Aluminum construction with aluminum finish
• Female FIO insert O-ring liquid and suction connections
• Liquid inlet size: 0.41 in. (10.5 mm); liquid outlet size: 0.540 in. (13.6 mm)
• Suction inlet and outlet size: 0.770 in. (19.5 mm)
• Meets or exceeds OEM specifications
• Designed without solenoid and without switch included

Detailed Description

The Four Seasons 39079 expansion valve regulates refrigerant flow into the evaporator to maintain proper A/C performance in select Chrysler Sebring and Dodge Stratus vehicles. Its block-style design, aluminum body, and insert O-ring fittings support direct replacement service in R134A systems. This part number 39079 is listed for 2002 Chrysler Sebring and Dodge Stratus models built from 1/10/02, as well as 2003-2006 model years for both vehicles.

Four Seasons Expansion Valve products are cataloged for OE-style service fitment, and this unit uses the specified O-ring seal locations and connection sizes for the listed applications. Cross-reference part numbers include UAC EX529445C and Pioneer Automotive Industries 759079 for the same application.

What It Is Used For

• Restoring proper refrigerant metering in the A/C system
• Correcting weak or inconsistent cabin cooling
• Addressing evaporator feed control issues
• Replacing a leaking or restricted expansion valve
• Resolving A/C performance problems on Chrysler Sebring and Dodge Stratus vehicles

Installation Notes and Tips

Verify the vehicle’s refrigerant system uses the listed block-type configuration, R134A refrigerant, and matching FIO insert O-ring connections before installation. Confirm the liquid and suction port sizes, mounting hole count, and superheat specification against the original component on the vehicle. For 2002 Chrysler Sebring and Dodge Stratus applications, confirm the build date is from 1/10/02 or later.

Replace seals as required during service and evacuate and recharge the system according to factory procedures after installation. This part is listed for N/A position fitment on the specified vehicles.

Quality Assurance

The Four Seasons 39079 expansion valve is listed as meeting or exceeding OEM requirements for the stated applications. It is engineered for direct replacement service in the Chrysler Sebring and Dodge Stratus fitments shown above.