HomeHVAC > A/C Flow RestrictorsFour Seasons 39602 A/C Expansion Valve - Rear
Part #: 39602

Four Seasons 39602 A/C Expansion Valve - Rear

Expansion Valve, Rear
6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Expansion Valve, Rear
Fitment: Lexus, GX470
Easy Returns — Return within 60 days for a full refund
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Reliable A/C Expansion Valve for Lexus GX470

The Four Seasons Expansion Valve 39602 is engineered to regulate refrigerant flow in your Lexus GX470's air conditioning system. Designed specifically for R134a refrigerant, this block-type valve ensures efficient cooling performance and system protection.

  • Constructed from durable aluminum for long-lasting use
  • Compatible with R134a refrigerant systems
  • Block type design with two mounting holes for secure installation
  • Female suction and liquid inlet/outlet fittings with O-ring seals
  • Meets or exceeds OEM specifications for reliable fit and function
  • Includes solenoid style for precise refrigerant control
  • Designed for 1.5 ton A/C systems, suitable for Lexus GX470

About the Four Seasons Expansion Valve Product Line

The Four Seasons Expansion Valve line focuses on delivering precise refrigerant flow control components for automotive HVAC systems. This Expansion Valve model 39602 is part of that line, offering a block-type valve with integrated solenoid functionality. It is designed to meet or exceed original equipment manufacturer standards, ensuring compatibility and performance in vehicles like the Lexus GX470.

Detailed Product Description

This A/C expansion valve is crafted from aluminum, providing corrosion resistance and durability under typical automotive operating conditions. It features female suction and liquid inlet/outlet fittings with No. 10 and No. 8 thread diameters respectively, all utilizing O-ring seals to prevent refrigerant leaks. The valve is designed for use with R134a refrigerant and supports a 1.5 ton cooling capacity, making it suitable for the Lexus GX470's HVAC system. The block-type design includes two mounting holes for secure attachment, and the solenoid style allows for controlled refrigerant flow, optimizing system efficiency and superheat control at -4.0.

Common Applications and Issues Addressed

  • Regulates refrigerant flow to maintain proper cooling performance
  • Prevents compressor damage caused by improper refrigerant pressure
  • Eliminates inconsistent cabin temperatures due to faulty expansion valves
  • Resolves refrigerant leaks associated with worn or damaged fittings
  • Improves overall A/C system reliability in Lexus GX470 vehicles

Installation Notes and Tips

  • Ensure system is evacuated and free of refrigerant before removal
  • Verify compatibility with Lexus GX470 and R134a refrigerant systems
  • Inspect O-rings and replace if necessary to prevent leaks
  • Use proper torque on mounting bolts to avoid damage
  • Test A/C system operation after installation to confirm proper function

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39602 meets or exceeds OEM specifications, ensuring reliable fit and function for the Lexus GX470. Manufactured with high-quality aluminum and precision engineering, this valve is designed for durability and consistent performance. While specific warranty details are not provided, Four Seasons products typically adhere to industry standards for quality and reliability.

BrandFour Seasons
Part Number39602
PositionExpansion Valve, Rear
DescriptionExpansion Valves
Liquid Inlet Fitting GenderFemale
Liquid Inlet Fitting Thread DiameterNo. 8
Liquid Inlet StyleO-Ring
Liquid Inlet Thread TypeNot Threaded
Liquid Inlet TypeO-Ring
Liquid Outlet Fitting GenderFemale
Liquid Outlet Fitting Thread DiameterNo. 8
Liquid Outlet StyleO-Ring
Liquid Outlet Thread TypeNot Threaded
Liquid Outlet TypeO-Ring
MaterialAluminum
Meets / Exceeds OEM?Yes
Mounting Hole Quantity2
Refrigerant TypeR134A
Stylew/ Solenoid
Suction Inlet Fitting GenderFemale
Suction Inlet Fitting Thread DiameterNo. 10
Suction Inlet StyleO-Ring
Suction Inlet Thread TypeNot Threaded
Suction Inlet TypeO-Ring
Suction Outlet Fitting GenderFemale
Suction Outlet Fitting Thread DiameterNo. 10
Suction Outlet StyleO-Ring
Suction Outlet Thread TypeNot Threaded
Suction Outlet TypeO-Ring
Super Heat-4.0
Switch Included?Not Included
Tonnage1.5
TypeBlock Type

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
2009LexusGX470RearExpansion Valve
2008LexusGX470RearExpansion Valve
2007LexusGX470RearExpansion Valve
2006LexusGX470RearExpansion Valve
2005LexusGX470RearExpansion Valve
2004LexusGX470RearExpansion 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:

21761731312513411800396027598128851560130A99479EX10265C

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