HomeHVAC > A/C Flow RestrictorsFour Seasons 39283 A/C Expansion Valve
Part #: 39283

Four Seasons 39283 A/C Expansion Valve

Expansion Valve
38 vehicles fit this part
Select your vehicle to confirm fitment
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Expansion Valve
Fitment: Lexus and Toyota, GS350, GS450h, GS460, IS F, IS250, IS350, RX350, GS430, GS300, RX400h, and Highlander
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Reliable A/C Expansion Valve for Lexus and Toyota Models

The Four Seasons Expansion Valve 39283 is engineered to regulate refrigerant flow in your vehicle's air conditioning system. Designed specifically for select Lexus and Toyota models, this aluminum block-type valve ensures efficient cooling performance and system reliability.

  • Constructed from durable aluminum material with an aluminum finish
  • Compatible with R134a refrigerant systems
  • Block type design with 2 mounting holes for secure installation
  • Female suction and liquid inlet/outlet fittings with captured o-ring seals
  • Meets or exceeds OEM specifications for reliable fit and function

About the Four Seasons Expansion Valve Product Line

The Expansion Valve line by Four Seasons focuses on precise control of refrigerant flow within automotive A/C systems. This product line is designed to maintain optimal pressure and temperature balance, contributing to consistent air conditioning performance. The 39283 valve is part of this line, offering compatibility with various Lexus and Toyota vehicles and ensuring OEM-level quality and durability.

Detailed Product Description and Specifications

The Four Seasons 39283 A/C Expansion Valve is crafted from aluminum, providing corrosion resistance and lightweight durability. It features a block-type design with two mounting holes for secure attachment. Both suction inlet and outlet fittings are female with No. 12 thread diameters, while liquid inlet and outlet fittings are female with No. 6 and No. 10 thread diameters respectively. The valve uses captured o-ring seals on both liquid inlet and outlet ports to prevent leaks and maintain system integrity. This valve is compatible with R134a refrigerant, commonly used in modern automotive A/C systems.

Compatible Vehicles and Common Applications

  • Lexus GS300, GS350, GS430, GS450h, GS460
  • Lexus IS250, IS350, IS F
  • Lexus RX350, RX400h
  • Toyota Highlander

This expansion valve is designed to address issues such as inconsistent cabin cooling, fluctuating A/C pressure, refrigerant leaks, and inefficient compressor operation.

Installation Notes and Tips

  • Ensure system is evacuated and depressurized before removal of old valve
  • Inspect and replace O-rings as needed to maintain proper sealing
  • Use proper torque specifications on mounting bolts to avoid damage
  • Verify compatibility with vehicle refrigerant type R134a before installation
  • Check for leaks after installation and system recharge

Quality Assurance and Warranty Information

The Four Seasons Expansion Valve 39283 meets or exceeds OEM standards, ensuring reliable performance and fitment. It includes green O-rings ([24611] and [24661]) for secure sealing. While specific warranty details are not provided, Four Seasons products typically come with manufacturer-backed quality assurance to support long-term durability and function.

BrandFour Seasons
Part Number39283
PositionExpansion Valve
ColorAluminum
DescriptionExpansion Valves
Liquid Inlet Fitting GenderFemale
Liquid Inlet Fitting Thread DiameterNo. 6
Liquid Inlet Size IN0.4
Liquid Inlet Size MM10.15
Liquid Inlet StyleCaptured O-Ring
Liquid Inlet Thread TypeNot Threaded
Liquid Inlet TypeO-Ring
Liquid Outlet Fitting GenderFemale
Liquid Outlet Fitting Thread DiameterNo. 10
Liquid Outlet StyleCaptured O-Ring
Liquid Outlet Thread TypeNot Threaded
Liquid Outlet TypeO-Ring
Lqd Out Size IN0.61
Lqd Out Size MM15.5
MaterialAluminum
Meets / Exceeds OEM?Yes
Mounting Hole Quantity2
O-Ring A Number/Desc[24611] / Green O-Ring
O-Ring B Number/Desc[24661] / Green O-Ring
O-Ring C Number/Desc[24681] / Green O-Ring
Refrigerant TypeR134A
Stylew/o Solenoid
Suc In Size IN0.72
Suc In Size MM18.3
Suc Out Size IN0.72
Suc Out Size MM18.3
Suction Inlet Fitting GenderFemale
Suction Inlet Fitting Thread DiameterNo. 12
Suction Inlet StyleCaptured O-Ring
Suction Inlet Thread TypeNot Threaded
Suction Inlet TypeO-Ring
Suction Outlet Fitting GenderFemale
Suction Outlet Fitting Thread DiameterNo. 12
Suction Outlet StyleCaptured O-Ring
Suction Outlet Thread TypeNot Threaded
Suction Outlet TypeO-Ring
Super Heat4.500
Switch Included?Not Included
Tonnage1.0
TypeBlock Type

This part fits 38 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2011LexusGS350N/AExpansion Valve
2011LexusGS450hN/AExpansion Valve
2011LexusGS460N/AExpansion Valve
2011LexusIS FN/AExpansion Valve
2011LexusIS250N/AExpansion Valve
2011LexusIS350N/AExpansion Valve
2010LexusGS350N/AExpansion Valve
2010LexusGS450hN/AExpansion Valve
2010LexusGS460N/AExpansion Valve
2010LexusIS FN/AExpansion Valve
2010LexusIS250N/AExpansion Valve
2010LexusIS350N/AExpansion Valve
2009LexusGS350N/AExpansion Valve
2009LexusGS450hN/AExpansion Valve
2009LexusGS460N/AExpansion Valve
2009LexusIS FN/AExpansion Valve
2009LexusIS250N/AExpansion Valve
2009LexusIS350N/AExpansion Valve
2009LexusRX350N/AExpansion Valve
2008LexusGS350N/AExpansion Valve
2008LexusGS450hN/AExpansion Valve
2008LexusGS460N/AExpansion Valve
2008LexusIS FN/AExpansion Valve
2008LexusIS250N/AExpansion Valve
2008LexusIS350N/AExpansion Valve
2008LexusRX350N/AExpansion Valve
2007LexusGS350N/AExpansion Valve
2007LexusGS430N/AExpansion Valve
2007LexusGS450hN/AExpansion Valve
2007LexusIS250N/AExpansion Valve
2007LexusIS350N/AExpansion Valve
2007LexusRX350N/AExpansion Valve
2006LexusGS300N/AExpansion Valve
2006LexusGS430N/AExpansion Valve
2006LexusIS250N/AExpansion Valve
2006LexusIS350N/AExpansion Valve
2006LexusRX400hN/ATo 2/06; Expansion Valve
2006ToyotaHighlander3.3LV6ELECTRIC/GASN/ATo 2/06; Expansion Valve

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

111392831802212172833131162341183539283759590807256885150E08088515281808851550160A17283CWK759590

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.