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Four Seasons 39288 A/C Expansion Valve - Rear
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.
| Brand | Four Seasons |
|---|---|
| Part Number | 39288 |
| Position | Expansion Valve, Rear |
| Color | Gold |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 8 |
| Liquid Inlet Size IN | 0.53 |
| Liquid Inlet Size MM | 13.5 |
| Liquid Inlet Style | Female Insert 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. 8 |
| Liquid Outlet Style | Female Insert O-Ring |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | Insert O-Ring |
| Lqd Out Size IN | 0.540 |
| Lqd Out Size MM | 13.6 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| O-Ring A Number/Desc | [24668] / Green O-Ring |
| O-Ring B Number/Desc | [24672] / Green O-Ring |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.770 |
| Suc In Size MM | 19.5 |
| 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 | Female Insert 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 | 1.000 |
| Switch Included? | Not Included |
| Tonnage | 1.5 |
| Type | Block Type |
This part fits 45 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2018 | Porsche | Cayenne | S | 3.6L | V6 | Rear | Expansion Valve |
| 2018 | Porsche | Cayenne | Base | 3.6L | V6 | Rear | Expansion Valve |
| 2018 | Porsche | Cayenne | Turbo | 4.8L | V8 | Rear | Expansion Valve |
| 2018 | Porsche | Cayenne | GTS | 3.6L | V6 | Rear | Expansion Valve |
| 2018 | Porsche | Cayenne | Turbo S | 4.8L | V8 | Rear | Expansion Valve |
| 2018 | Porsche | Cayenne | Platinum Edition | 3.6L | V6 | Rear | Expansion Valve |
| 2018 | Porsche | Cayenne | S E-Hybrid | 3.0L | V6 | Rear | Expansion Valve |
| 2018 | Porsche | Cayenne | S E-Hybrid Platinum Edition | 3.0L | V6 | Rear | Expansion Valve |
| 2017 | Porsche | Cayenne | Rear | Expansion Valve | |||
| 2017 | Volkswagen | Touareg | Rear | Expansion Valve | |||
| 2016 | Porsche | Cayenne | Rear | Expansion Valve | |||
| 2016 | Volkswagen | Touareg | Rear | Expansion Valve | |||
| 2015 | Audi | Q7 | Rear | Expansion Valve | |||
| 2015 | Porsche | Cayenne | Rear | Expansion Valve | |||
| 2015 | Volkswagen | Touareg | Rear | Expansion Valve | |||
| 2014 | Audi | Q7 | Rear | Expansion Valve | |||
| 2014 | Porsche | Cayenne | Rear | Expansion Valve | |||
| 2014 | Volkswagen | Touareg | Rear | Expansion Valve | |||
| 2013 | Audi | Q7 | Rear | Expansion Valve | |||
| 2013 | Porsche | Cayenne | Rear | Expansion Valve | |||
| 2013 | Volkswagen | Touareg | Rear | Expansion Valve | |||
| 2012 | Audi | Q7 | Rear | Expansion Valve | |||
| 2012 | Porsche | Cayenne | Rear | Expansion Valve | |||
| 2012 | Volkswagen | Touareg | Rear | Expansion Valve | |||
| 2011 | Audi | Q7 | Rear | Expansion Valve | |||
| 2011 | Porsche | Cayenne | Rear | Expansion Valve | |||
| 2011 | Volkswagen | Touareg | Rear | Expansion Valve | |||
| 2010 | Audi | Q7 | Rear | Expansion Valve | |||
| 2010 | Porsche | Cayenne | Rear | Expansion Valve | |||
| 2010 | Volkswagen | Touareg | Rear | Expansion Valve | |||
| 2009 | Audi | Q7 | Rear | Expansion Valve | |||
| 2009 | Porsche | Cayenne | Rear | Expansion Valve | |||
| 2009 | Volkswagen | Touareg | Rear | Expansion Valve | |||
| 2008 | Audi | Q7 | Rear | Expansion Valve | |||
| 2008 | Porsche | Cayenne | Rear | Expansion Valve | |||
| 2008 | Volkswagen | Touareg | Rear | Expansion Valve | |||
| 2007 | Audi | Q7 | Rear | Expansion Valve | |||
| 2007 | Volkswagen | Touareg | Rear | Expansion Valve | |||
| 2006 | Porsche | Cayenne | Rear | Expansion Valve | |||
| 2006 | Volkswagen | Touareg | Rear | Expansion Valve | |||
| 2005 | Porsche | Cayenne | Rear | Expansion Valve | |||
| 2005 | Volkswagen | Touareg | Rear | Expansion Valve | |||
| 2004 | Porsche | Cayenne | Rear | Expansion Valve | |||
| 2004 | Volkswagen | Touareg | Rear | Expansion Valve | |||
| 2003 | Porsche | Cayenne | Rear | 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.