Four Seasons 39091 A/C Expansion Valve - Front or Rear

Four Seasons 39091 Expansion Valve

The Four Seasons 39091 A/C expansion valve is a TXV-style HVAC flow restrictor built for R134A systems. With a brass body and application-specific fitment, it helps regulate refrigerant flow through the evaporator circuit for stable air conditioning performance.

Compatible With Dodge Viper, Chevrolet Tracker, Honda Odyssey, Mazda MPV, Suzuki Sidekick, Suzuki X-90, Toyota T100, and Geo Tracker applications, this Four Seasons Expansion Valve line is used in a range of factory-style A/C repairs. The 39091 part number is also a useful reference when cross-checking replacement options for the same application.

Key Features

• TXV-style A/C expansion valve for refrigerant metering
• Brass construction
• Configured for R134A refrigerant systems
• Four Seasons Expansion Valve product line
• Part number 39091 for application matching and catalog lookup

Detailed Description

The Four Seasons 39091 expansion valve controls refrigerant delivery into the evaporator based on system demand, helping maintain proper A/C operation in vehicles using R134A. This TXV design is used in HVAC systems where accurate refrigerant flow is needed for consistent cooling performance. It is listed for 1992-2002 Dodge Viper, 1998 Chevrolet Tracker, 1995-1998 Honda Odyssey rear, 1996-1998 Mazda MPV front, 1994-1998 Suzuki Sidekick, 1996-1998 Suzuki X-90, 1993-1998 Toyota T100, and 1994-1997 Geo Tracker.

This part cross-references Monroe Shocks & Struts (e.g., 182298) for the same application.

What It Helps Address

• Weak or inconsistent cabin cooling
• Improper refrigerant metering at the evaporator
• A/C performance issues tied to a worn expansion valve
• HVAC service needs on R134A-equipped systems
• Replacement needs for a leaking or restricted TXV

Installation Notes and Tips

Verify the vehicle year, make, model, and position before ordering. This valve is listed for front and rear applications depending on the vehicle, so match the original layout exactly. Inspect the A/C system for contamination, leaks, and related component wear before installation, and confirm the refrigerant type is R134A.

Quality Assurance

Four Seasons is a recognized HVAC parts brand with cataloged application coverage for OE-style A/C service. Use the part number 39091 and the vehicle listing to confirm the correct replacement for your repair.