Four Seasons 39065 A/C Expansion Valve

Four Seasons 39065 Expansion Valve Overview

The Four Seasons 39065 expansion valve is a block-type A/C flow restrictor built for R134A systems and direct fit service on select Mitsubishi Galant applications. It uses an aluminum body with female insert O-ring connections and meets or exceeds OEM requirements for the listed vehicles.

For Mitsubishi Galant A/C repair work, this expansion valve helps restore proper refrigerant metering at the evaporator and supports stable system performance. The Four Seasons expansion valve line is focused on OE-style replacement parts for HVAC service, and part number 39065 follows that approach with application-specific fitment and factory-style connection sizes.

Key Features

• Four Seasons Expansion Valve, part number 39065
• Block-type A/C expansion valve for R134A refrigerant systems
• Aluminum construction with aluminum finish
• Female FIO insert O-ring inlet and outlet connections
• Mounting hole quantity: 2
• Style: w/o solenoid
• Super heat setting: 8.000
• Meets or exceeds OEM specifications
• Fits 1996 Mitsubishi Galant and 1999-2003 Mitsubishi Galant

Detailed Description

The Four Seasons 39065 expansion valve meters liquid refrigerant into the evaporator based on system demand, helping maintain correct A/C operation in the Mitsubishi Galant. This unit is configured with a liquid inlet size of 0.35 in. (9 mm), liquid outlet size of 0.540 in. (13.6 mm), suction inlet size of 0.650 in. (16.4 mm), and suction outlet size of 0.65 in. (16.4 mm). It also includes the listed green O-ring service points for the specified connections. If you are replacing a worn or restricted Mitsubishi Galant expansion valve, part number 39065 provides the OE-style dimensions and refrigerant compatibility needed for the application.

This part cross-references UAC EX10074C for the same application.

What It Helps Address

• Weak or inconsistent cabin cooling in the Mitsubishi Galant
• Incorrect refrigerant flow through the evaporator circuit
• Temperature swings caused by a restricted or sticking expansion valve
• A/C performance loss after compressor or evaporator service
• Leak-prone or worn factory valve connections

Installation Notes and Tips

Verify the vehicle year and A/C configuration before installation. Replace the valve only after confirming the system is clean and free of contamination, and inspect the mating O-ring surfaces and line ends for wear or damage. Use the correct refrigerant service procedures for R134A systems and confirm proper operation after evacuation, recharge, and leak testing. For Mitsubishi Galant service, confirm the original connection style and mounting layout match the listed application before assembly.

Quality Assurance

Four Seasons manufactures this expansion valve to meet or exceed OEM requirements for the listed applications. Part number 39065 is built as an OE-style replacement for service work on select Mitsubishi Galant models.