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Four Seasons 39568 A/C Expansion Valve - Front
| Brand | Four Seasons 39568 |
|---|---|
| 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 | 13.8 |
| Liquid Inlet Style | O-Ring |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | O-Ring |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Liquid Outlet Style | 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 |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.650 |
| Suc In Size MM | 16.4 |
| Suc Out Size IN | 0.710 |
| Suc Out Size MM | 18.000 |
| Suction Inlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 10 |
| Suction Inlet Style | 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 | O-Ring |
| Suction Outlet Thread Type | Not Threaded |
| Suction Outlet Type | O-Ring |
| Super Heat | -6.000 |
| Switch Included? | Not Included |
| Tonnage | 1 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Audi · 16 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for a straightforward swap.
Aluminum block type. Lightweight construction with O-ring connections for a secure seal.
R134A compatible. Built for modern A/C flow control in a compact expansion valve design.
Cross-references Four Seasons 39568, UAC EX10435C and 4H0898967 for the same application. See all 8.
Four Seasons Expansion Valve 39568
Four Seasons 39568 is a block-type A/C expansion valve for R134A systems, built with an aluminum body and O-ring connections for a direct service replacement. It meets or exceeds OEM requirements and is listed for select Audi A8 Quattro and S8 applications with front or N/A fitment notes.
Key Features
- Block-type A/C expansion valve for R134A refrigerant systems
- Aluminum construction with aluminum finish
- O-ring liquid and suction connections
- Female inlet and outlet fittings
- 2 mounting holes for secure installation
- Meets or exceeds OEM specifications
- Style: w/o solenoid
- Super heat setting: -6.000
- Tonnage: 1
Product Details
This Four Seasons Expansion Valve line is focused on precise refrigerant metering for automotive HVAC service. Part number 39568 uses No. 8 liquid inlet and outlet sizing, No. 10 suction inlet sizing, and No. 12 suction outlet sizing, with O-ring style connections throughout. It is a direct-fit service part for 2011-2018 Audi A8 Quattro, front, and 2013-2018 Audi S8 applications listed with front or N/A positions. If you are replacing a worn Audi A8 Quattro expansion valve or servicing an Audi S8 A/C system, Four Seasons 39568 provides the correct block-type configuration for R134A systems.
This part cross-references UAC EX10435C for the same application.
What It Helps Fix
- Inconsistent cabin cooling from improper refrigerant flow
- Warm air from the vents when the A/C system is charged
- Erratic evaporator performance caused by a failing metering valve
- Pressure imbalance in the A/C circuit
- Service replacement needs on Audi A8 Quattro and Audi S8 HVAC systems
Installation Notes
Verify refrigerant type, port sizes, and vehicle position before installation. This valve is specified for R134A systems and uses O-ring connections, so clean sealing surfaces and correct seal condition are important during service. Confirm the application against the vehicle’s HVAC layout for 2011-2018 Audi A8 Quattro and 2013-2018 Audi S8 fitment before final assembly.
Quality Assurance
Four Seasons 39568 is an OEM-spec replacement part that meets or exceeds original equipment requirements for the listed applications. The Four Seasons Expansion Valve line is built for accurate HVAC service replacement on supported Audi models.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | Audi | A8 Quattro | 3.0L | V6 | Front | w/ R134a; Expansion Valve |
| 2018 | Audi | A8 Quattro | 6.3L | W12 | Front | w/ R134a; Expansion Valve |
| 2018 | Audi | A8 Quattro | 4.0L | V8 | Front | w/ R134a; Expansion Valve |
| 2018 | Audi | S8 | — | — | N/A | w/ R134a; Expansion Valve |
| 2017 | Audi | A8 Quattro | — | — | Front | w/ R134a; Expansion Valve |
| 2017 | Audi | S8 | — | — | Front | w/ R134a; Expansion Valve |
| 2016 | Audi | A8 Quattro | — | — | Front | w/ R134a; Expansion Valve |
| 2016 | Audi | S8 | — | — | Front | Expansion Valve |
| 2015 | Audi | A8 Quattro | — | — | Front | w/ R134a; Expansion Valve |
| 2015 | Audi | S8 | — | — | N/A | Expansion Valve |
| 2014 | Audi | A8 Quattro | — | — | Front | w/ R134a; Expansion Valve |
| 2014 | Audi | S8 | — | — | N/A | Expansion Valve |
| 2013 | Audi | A8 Quattro | — | — | Front | w/ R134a; Expansion Valve |
| 2013 | Audi | S8 | — | — | N/A | Expansion Valve |
| 2012 | Audi | A8 Quattro | — | — | Front | w/ R134a; Expansion Valve |
| 2011 | Audi | A8 Quattro | — | — | Front | w/ R134a; Expansion Valve |
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