Four Seasons 39229 A/C Expansion Valve - Front
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Four Seasons
 Expansion Valve

Four Seasons 39229 A/C Expansion Valve - Front

Brand Four Seasons 39229
Position Front
Color Aluminum
Description Expansion Valves
Liquid Inlet Fitting Gender Female
Liquid Inlet Fitting Thread Diameter No. 6
Liquid Inlet Size IN 0.4
Liquid Inlet Size MM 10.15
Liquid Inlet Style Captured O-Ring
Liquid Inlet Thread Type Not Threaded
Liquid Inlet Type Insert O-Ring
Liquid Outlet Fitting Gender Female
Liquid Outlet Fitting Thread Diameter No. 10
Liquid Outlet Style Captured O-Ring
Liquid Outlet Thread Type Not Threaded
Liquid Outlet Type Insert O-Ring
Lqd Out Size IN 0.72
Lqd Out Size MM 18.3
Material Aluminum
Meets / Exceeds OEM? Yes
Mounting Hole Quantity 2
O-Ring A Number/Desc [24606] / Green O-Ring
O-Ring B Number/Desc [24661] / Green O-Ring
O-Ring C Number/Desc [24681] / Green O-Ring
Refrigerant Type R134A
Style w/o Solenoid
Suc In Size IN 0.72
Suc In Size MM 18.3
Suc Out Size IN 0.72
Suc Out Size MM 18.3
Suction Inlet Fitting Gender Female
Suction Inlet Fitting Thread Diameter No. 12
Suction Inlet Style Captured O-Ring
Suction Inlet Thread Type Not Threaded
Suction Inlet Type Insert O-Ring
Suction Outlet Fitting Gender Female
Suction Outlet Fitting Thread Diameter No. 12
Suction Outlet Style Captured O-Ring
Suction Outlet Thread Type Not Threaded
Suction Outlet Type Insert O-Ring
Super Heat 5.000
Switch Included? Not Included
Tonnage 1.000
Type Block Type
Product line Expansion Valve
Fits Lexus · 6 vehicles

OE direct replacement. Meets or exceeds OEM requirements for dependable fit and function.

Aluminum construction. Lightweight block-type design with captured O-ring connections.

R134A compatible. Built for modern refrigerant systems without a solenoid.

Cross-references Four Seasons 39229, Global Parts Distributors LLC 3411434 and UAC EX10260C for the same application. See all 13.

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Four Seasons 39229 Expansion Valve

Four Seasons 39229 is a block-type A/C expansion valve for R134A systems, built from aluminum for the front HVAC circuit. It is an OE-style replacement that meets or exceeds OEM requirements and is specified for the front A/C system on select Lexus LX470 and Lexus GX470 applications.

Key Features

  • Block-type A/C expansion valve for R134A refrigerant systems
  • Aluminum construction with aluminum finish
  • Front HVAC application
  • Captured O-ring, insert O-ring inlet and outlet design
  • Female suction and liquid fittings
  • Meets or exceeds OEM specifications
  • Super heat setting: 5.000
  • Style: w/o solenoid

Product Details

The Four Seasons Expansion Valve line focuses on precise refrigerant flow control in automotive air conditioning systems. Part number 39229 is a block-style expansion valve with female suction and liquid connections, captured O-ring sealing surfaces, and aluminum construction for service replacement in R134A-equipped vehicles. This part cross-references UAC EX10260C for the same application. It is a direct-fit service part for 2003-2007 Lexus LX470, front, and 2004 Lexus GX470, front, making it a relevant choice when restoring proper A/C performance in these Lexus models.

Common A/C Issues This Part Addresses

  • Warm air from the vents caused by incorrect refrigerant metering
  • Uneven cabin cooling in the front HVAC system
  • Restricted refrigerant flow through a worn or sticking valve
  • Pressure imbalance in the A/C circuit
  • Loss of cooling performance in Lexus LX470 and GX470 front systems

Installation Notes and Tips

Verify the vehicle uses an R134A system and confirm the front application before installation. Inspect the mating surfaces, captured O-rings, and line connections for wear or contamination, and replace damaged seals as needed during service. Confirm the suction and liquid line sizes match the original configuration on the vehicle before assembly.

Quality Assurance

Four Seasons 39229 is listed as meeting or exceeding OEM requirements for the specified application. It is engineered as a replacement expansion valve for service work on Lexus LX470 and Lexus GX470 front A/C systems.

Related reading

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2007LexusLX470FrontExpansion Valve
2006LexusLX470FrontExpansion Valve
2005LexusLX470FrontExpansion Valve
2004LexusGX470FrontExpansion Valve
2004LexusLX470FrontExpansion Valve
2003LexusLX470FrontExpansion Valve
Directly replaces or cross-references 13 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 39229Global Parts Distributors LLC — 3411434UAC — EX10260C18015321722975953680716031311563759536111392298851560120A17229CWK759536