HomeHVAC > A/C Flow RestrictorsFour Seasons 39288 A/C Expansion Valve - Rear
Part #: 39288

Four Seasons 39288 A/C Expansion Valve - Rear

Expansion Valve, Rear
45 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Expansion Valve, Rear
Fitment: Porsche, Volkswagen, and Audi, Cayenne, Touareg, and Q7
Easy Returns — Return within 60 days for a full refund
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Reliable A/C Expansion Valve for Audi, Porsche, and Volkswagen

The Four Seasons Expansion Valve 39288 is engineered to regulate refrigerant flow in the air conditioning systems of select Audi, Porsche, and Volkswagen models. Designed specifically for vehicles like the Audi Q7, Porsche Cayenne, and Volkswagen Touareg, this A/C expansion valve ensures efficient cooling performance and system reliability.

  • Constructed from durable aluminum with a gold finish for corrosion resistance
  • Compatible with R134a refrigerant systems
  • Block type design with two mounting holes for secure installation
  • Female suction and liquid inlet/outlet fittings with insert o-ring seals
  • Meets or exceeds OEM specifications for fit and function

Four Seasons Expansion Valve Product Line Overview

The Expansion Valve product line by Four Seasons focuses on precise refrigerant flow control within automotive A/C systems. This line includes block type valves like part number 39288, designed to maintain optimal pressure and temperature balance. The valves are manufactured to meet OEM standards, providing reliable operation for vehicles requiring R134a refrigerant.

Technical Details and Features

This A/C expansion valve is made from aluminum, offering lightweight durability and resistance to corrosion. The gold color finish adds an extra layer of protection. It features female suction inlet and outlet fittings with No. 12 thread diameters, and female liquid inlet and outlet fittings with No. 8 thread diameters. Both liquid inlet and outlet connections use insert o-ring seals (green o-rings included) to ensure leak-free performance. The valve’s block type design includes two mounting holes for secure attachment within the HVAC system.

Common Applications and Problem Solving

  • Restores proper refrigerant flow in Audi Q7, Porsche Cayenne, and Volkswagen Touareg A/C systems
  • Resolves issues with inconsistent cabin cooling or fluctuating temperatures
  • Addresses refrigerant leaks caused by worn or damaged expansion valves
  • Prevents compressor damage by maintaining correct pressure regulation
  • Improves overall air conditioning system efficiency and reliability

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39288, ensure the system is evacuated and free of contaminants before replacement. Use the included green o-rings to maintain proper sealing on all liquid inlet and outlet connections. Verify that the valve is mounted securely using the two mounting holes to prevent vibration or loosening. This valve is designed for R134a refrigerant systems; confirm compatibility with your vehicle’s A/C specifications prior to installation.

Quality Assurance and Warranty

The Four Seasons Expansion Valve 39288 meets or exceeds OEM quality standards, ensuring reliable performance in Audi, Porsche, and Volkswagen vehicles. Manufactured with precision and tested for durability, this valve is backed by Four Seasons’ commitment to quality. Please refer to Four Seasons’ official warranty policy for specific coverage details.

BrandFour Seasons
Part Number39288
PositionExpansion Valve, Rear
ColorGold
DescriptionExpansion Valves
Liquid Inlet Fitting GenderFemale
Liquid Inlet Fitting Thread DiameterNo. 8
Liquid Inlet Size IN0.53
Liquid Inlet Size MM13.5
Liquid Inlet StyleFemale Insert O-Ring
Liquid Inlet Thread TypeNot Threaded
Liquid Inlet TypeInsert O-Ring
Liquid Outlet Fitting GenderFemale
Liquid Outlet Fitting Thread DiameterNo. 8
Liquid Outlet StyleFemale Insert O-Ring
Liquid Outlet Thread TypeNot Threaded
Liquid Outlet TypeInsert O-Ring
Lqd Out Size IN0.540
Lqd Out Size MM13.6
MaterialAluminum
Meets / Exceeds OEM?Yes
Mounting Hole Quantity2
O-Ring A Number/Desc[24668] / Green O-Ring
O-Ring B Number/Desc[24672] / Green O-Ring
Refrigerant TypeR134A
Stylew/o Solenoid
Suc In Size IN0.770
Suc In Size MM19.5
Suc Out Size IN0.72
Suc Out Size MM18.3
Suction Inlet Fitting GenderFemale
Suction Inlet Fitting Thread DiameterNo. 12
Suction Inlet StyleFemale Insert O-Ring
Suction Inlet Thread TypeNot Threaded
Suction Inlet TypeInsert O-Ring
Suction Outlet Fitting GenderFemale
Suction Outlet Fitting Thread DiameterNo. 12
Suction Outlet StyleCaptured O-Ring
Suction Outlet Thread TypeNot Threaded
Suction Outlet TypeInsert O-Ring
Super Heat1.000
Switch Included?Not Included
Tonnage1.5
TypeBlock Type

This part fits 45 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2018PorscheCayenneS3.6LV6RearExpansion Valve
2018PorscheCayenneBase3.6LV6RearExpansion Valve
2018PorscheCayenneTurbo4.8LV8RearExpansion Valve
2018PorscheCayenneGTS3.6LV6RearExpansion Valve
2018PorscheCayenneTurbo S4.8LV8RearExpansion Valve
2018PorscheCayennePlatinum Edition3.6LV6RearExpansion Valve
2018PorscheCayenneS E-Hybrid3.0LV6RearExpansion Valve
2018PorscheCayenneS E-Hybrid Platinum Edition3.0LV6RearExpansion Valve
2017PorscheCayenneRearExpansion Valve
2017VolkswagenTouaregRearExpansion Valve
2016PorscheCayenneRearExpansion Valve
2016VolkswagenTouaregRearExpansion Valve
2015AudiQ7RearExpansion Valve
2015PorscheCayenneRearExpansion Valve
2015VolkswagenTouaregRearExpansion Valve
2014AudiQ7RearExpansion Valve
2014PorscheCayenneRearExpansion Valve
2014VolkswagenTouaregRearExpansion Valve
2013AudiQ7RearExpansion Valve
2013PorscheCayenneRearExpansion Valve
2013VolkswagenTouaregRearExpansion Valve
2012AudiQ7RearExpansion Valve
2012PorscheCayenneRearExpansion Valve
2012VolkswagenTouaregRearExpansion Valve
2011AudiQ7RearExpansion Valve
2011PorscheCayenneRearExpansion Valve
2011VolkswagenTouaregRearExpansion Valve
2010AudiQ7RearExpansion Valve
2010PorscheCayenneRearExpansion Valve
2010VolkswagenTouaregRearExpansion Valve
2009AudiQ7RearExpansion Valve
2009PorscheCayenneRearExpansion Valve
2009VolkswagenTouaregRearExpansion Valve
2008AudiQ7RearExpansion Valve
2008PorscheCayenneRearExpansion Valve
2008VolkswagenTouaregRearExpansion Valve
2007AudiQ7RearExpansion Valve
2007VolkswagenTouaregRearExpansion Valve
2006PorscheCayenneRearExpansion Valve
2006VolkswagenTouaregRearExpansion Valve
2005PorscheCayenneRearExpansion Valve
2005VolkswagenTouaregRearExpansion Valve
2004PorscheCayenneRearExpansion Valve
2004VolkswagenTouaregRearExpansion Valve
2003PorscheCayenneRearExpansion 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:

11139288180247217288313111334119253411963392884L0820712A7595777L08207127L0820712A7L0820712B8072589555723191095557231911A17288CWK759577EX10381CEX9770CEX9785C

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