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Four Seasons 39307 A/C Expansion Valve - Front
| Brand | Four Seasons 39307 |
|---|---|
| Position | Front |
| Color | Aluminum |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Inlet Size IN | 0.34 |
| Liquid Inlet Size MM | 8.6 |
| Liquid Inlet Style | Sealing Washer |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | Sealing Washer |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Liquid Outlet Style | Sealing Washer |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | Sealing Washer |
| Lqd Out Size IN | 0.46 |
| Lqd Out Size MM | 11.8 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| O-Ring A Number/Desc | [24401] / Slim Line Sealing Washer |
| O-Ring B Number/Desc | [24402] / Slimline Washer |
| O-Ring C Number/Desc | [24403] / Slimline Washer |
| O-Ring D Number/Desc | [24404] / Slimline Washer |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.63 |
| Suc In Size MM | 16 |
| Suc Out Size IN | 0.700 |
| Suc Out Size MM | 17.7 |
| Suction Inlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 10 |
| Suction Inlet Style | Sealing Washer |
| Suction Inlet Thread Type | Not Threaded |
| Suction Inlet Type | Sealing Washer |
| Suction Outlet Fitting Gender | Female |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| Suction Outlet Style | Sealing Washer |
| Suction Outlet Thread Type | Not Threaded |
| Suction Outlet Type | Sealing Washer |
| Super Heat | -1.000 |
| Switch Included? | Not Included |
| Tonnage | 2.000 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Buick, Chevrolet, GMC, and Saturn · 19 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for a confident fit.
Aluminum block type. Lightweight construction with sealing-washer connections.
R134A compatible. Built for modern A/C refrigerant systems.
Cross-references Four Seasons 39307, Global Parts Distributors LLC 3411814 and UAC EX10218C for the same application. See all 18.
Four Seasons 39307 Expansion Valve Overview
The Four Seasons 39307 expansion valve is a block-type A/C flow restrictor built for R134A systems. It is an aluminum, OE-style replacement that meets or exceeds OEM requirements and is specified for 2.0 ton applications.
Compatible with front HVAC service on the Buick Enclave, Chevrolet Traverse, GMC Acadia, and Saturn Outlook, this Four Seasons expansion valve 39307 is a direct-fit option for restoring refrigerant control in the air conditioning system.
Key Features
- Block-type A/C expansion valve for R134A refrigerant systems
- Aluminum construction with aluminum finish
- Front HVAC application
- OE-style replacement that meets or exceeds OEM specifications
- Female suction and liquid connections with sealing washer interfaces
- Designed without a solenoid
- 2.0 ton rating
- Four Seasons expansion valve 39307 for service replacement and repair
Product Details
The Four Seasons Expansion Valve line focuses on refrigerant metering components for automotive HVAC systems. Part number 39307 is a block-style expansion valve with female suction inlet and outlet fittings, female liquid inlet and outlet fittings, and sealing washer-style connections. It uses R134A refrigerant and is built from aluminum for use in front-mounted air conditioning systems on select GM and Saturn crossover models. This part cross-references UAC EX10218C for the same application.
Fits 2008-2012 Buick Enclave, front. Fits 2009-2012 Chevrolet Traverse, front. Fits 2007-2012 GMC Acadia, front. Fits 2007-2010 Saturn Outlook, front.
Common Repair Symptoms
- Warm air from the vents with the A/C switched on
- Erratic cabin cooling or uneven vent temperatures
- Restricted refrigerant flow through the HVAC system
- Incorrect evaporator feed control affecting system performance
- Front A/C output loss on GM crossover platforms
Installation Notes
Verify refrigerant type, line style, and fitting sizes before installation. This valve uses sealing washer-style connections and is configured for front HVAC service, so the existing system should be inspected for contamination, damaged seals, or related component wear before reassembly. Confirm the vehicle application by year, make, model, and position before ordering.
Quality Assurance
Four Seasons 39307 is listed as meeting or exceeding OEM requirements for the specified applications. The part number 39307 is also referenced in aftermarket interchange listings, including UAC EX10218C, for the same vehicle coverage.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2012 | Buick | Enclave | Front | Expansion Valve |
| 2012 | Chevrolet | Traverse | Front | Expansion Valve |
| 2012 | GMC | Acadia | Front | Expansion Valve |
| 2011 | Buick | Enclave | Front | Expansion Valve |
| 2011 | Chevrolet | Traverse | Front | Expansion Valve |
| 2011 | GMC | Acadia | Front | Expansion Valve |
| 2010 | Buick | Enclave | Front | Expansion Valve |
| 2010 | Chevrolet | Traverse | Front | Expansion Valve |
| 2010 | GMC | Acadia | Front | Expansion Valve |
| 2010 | Saturn | Outlook | Front | Expansion Valve |
| 2009 | Buick | Enclave | Front | Expansion Valve |
| 2009 | Chevrolet | Traverse | Front | Expansion Valve |
| 2009 | GMC | Acadia | Front | Expansion Valve |
| 2009 | Saturn | Outlook | Front | Expansion Valve |
| 2008 | Buick | Enclave | Front | Expansion Valve |
| 2008 | GMC | Acadia | Front | Expansion Valve |
| 2008 | Saturn | Outlook | Front | Expansion Valve |
| 2007 | GMC | Acadia | Front | Expansion Valve |
| 2007 | Saturn | Outlook | Front | Expansion Valve |
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