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Four Seasons 39300 A/C Expansion Valve - Front
| Brand | Four Seasons 39300 |
|---|---|
| Position | Front |
| Color | Aluminum |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 8 |
| Liquid Inlet Size IN | 0.540 |
| Liquid Inlet Size MM | 13.700 |
| 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. 6 |
| Liquid Outlet Style | Female Insert O-Ring |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | 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 | [24608] / Green O-Ring |
| O-Ring B Number/Desc | [24661] / Green O-Ring |
| O-Ring C Number/Desc | [24672] / Green O-Ring |
| O-Ring D Number/Desc | [24681] / Green O-Ring |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.770 |
| Suc In Size MM | 19.6 |
| Suc Out Size IN | 0.710 |
| Suc Out Size MM | 18.000 |
| 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 | 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 | -2.000 |
| Switch Included? | Not Included |
| Tonnage | 2.0 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Porsche · 22 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Aluminum construction. Lightweight material resists corrosion in A/C systems.
Block type design. Built for efficient refrigerant flow control.
Cross-references Four Seasons 39300, Global Parts Distributors LLC 3411458 and UAC EX10463C for the same application. See all 16.
Four Seasons 39300 Expansion Valve for Porsche Cayenne
The Four Seasons 39300 is a block-type A/C expansion valve for R134A systems, built for front HVAC service on select Porsche Cayenne models. It is an aluminum replacement that meets or exceeds OEM requirements and is listed for 2003-2006 and 2008-2018 Porsche Cayenne front expansion valve applications.
Key Features
- Four Seasons Expansion Valve, part number 39300
- Block-type A/C expansion valve for R134A refrigerant systems
- Aluminum construction and aluminum finish
- Front-position fitment for Porsche Cayenne applications
- Female suction and liquid connections with O-ring sealing
- Meets or exceeds OEM specifications
- Style: w/o solenoid
- 2.0 tonnage rating
Product Details
Four Seasons 39300 is an A/C expansion valve used to regulate refrigerant flow into the evaporator on Porsche Cayenne HVAC systems. The block-type design uses female insert O-ring and captured O-ring connections for the suction and liquid lines, with aluminum construction for service replacement in R134A-equipped systems. This part number 39300 is referenced for Porsche Cayenne front expansion valve service across 2003-2006 and 2008-2018 model years.
This part cross-references UAC EX10463C for the same application.
Common A/C Issues It Can Address
- Inconsistent cabin cooling on Porsche Cayenne front HVAC systems
- Refrigerant metering problems at the evaporator inlet
- Restricted or uneven A/C flow through the expansion valve
- Front air conditioning performance loss tied to valve wear or contamination
- Service replacement needs for R134A system repairs
Installation Notes
Verify the vehicle uses the front expansion valve application shown in the fitment data before installation. Confirm R134A refrigerant system compatibility, line connection style, and O-ring sealing surfaces during service. Replace worn seals as needed and follow the vehicle service procedure for evacuation, leak checking, and recharge after installation.
Quality Assurance
Four Seasons 39300 is built as an OEM-level replacement and is listed as meeting or exceeding OEM specifications for the stated Porsche Cayenne applications.
Fitment
- Fits 2003-2006 Porsche Cayenne, front.
- Fits 2008-2018 Porsche Cayenne, front.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2018 | Porsche | Cayenne | S | 3.6L | V6 | Front | Expansion Valve |
| 2018 | Porsche | Cayenne | Base | 3.6L | V6 | Front | Expansion Valve |
| 2018 | Porsche | Cayenne | Turbo | 4.8L | V8 | Front | Expansion Valve |
| 2018 | Porsche | Cayenne | GTS | 3.6L | V6 | Front | Expansion Valve |
| 2018 | Porsche | Cayenne | Turbo S | 4.8L | V8 | Front | Expansion Valve |
| 2018 | Porsche | Cayenne | Platinum Edition | 3.6L | V6 | Front | Expansion Valve |
| 2018 | Porsche | Cayenne | S E-Hybrid | 3.0L | V6 | Front | Expansion Valve |
| 2018 | Porsche | Cayenne | S E-Hybrid Platinum Edition | 3.0L | V6 | Front | Expansion Valve |
| 2017 | Porsche | Cayenne | — | — | — | Front | Expansion Valve |
| 2016 | Porsche | Cayenne | — | — | — | Front | Expansion Valve |
| 2015 | Porsche | Cayenne | — | — | — | Front | Expansion Valve |
| 2014 | Porsche | Cayenne | — | — | — | Front | Expansion Valve |
| 2013 | Porsche | Cayenne | — | — | — | Front | Expansion Valve |
| 2012 | Porsche | Cayenne | — | — | — | Front | Expansion Valve |
| 2011 | Porsche | Cayenne | — | — | — | Front | Expansion Valve |
| 2010 | Porsche | Cayenne | — | — | — | Front | Expansion Valve |
| 2009 | Porsche | Cayenne | — | — | — | Front | Expansion Valve |
| 2008 | Porsche | Cayenne | — | — | — | Front | Expansion Valve |
| 2006 | Porsche | Cayenne | — | — | — | Front | Expansion Valve |
| 2005 | Porsche | Cayenne | — | — | — | Front | Expansion Valve |
| 2004 | Porsche | Cayenne | — | — | — | Front | Expansion Valve |
| 2003 | Porsche | Cayenne | — | — | — | Front | Expansion Valve |
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