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Four Seasons 39278 A/C Expansion Valve
| Brand | Four Seasons 39278 |
|---|---|
| Color | Aluminum |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Inlet Size IN | 0.4 |
| Liquid Inlet Size MM | 10.15 |
| 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. 10 |
| Liquid Outlet Style | Captured O-Ring |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | Insert O-Ring |
| Lqd Out Size IN | 0.61 |
| Lqd Out Size MM | 15.5 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| O-Ring A Number/Desc | [24109] / Green O-Ring |
| O-Ring B Number/Desc | [24626] / Green O-Ring |
| O-Ring C Number/Desc | [24642] / Green O-Ring |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.72 |
| Suc In Size MM | 18.3 |
| 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 | Captured 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 |
| Product line | Expansion Valve |
| Fits | Suzuki · 8 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Aluminum block type. Lightweight construction with captured O-ring connections.
R134A compatible. Built for modern refrigerant systems without a solenoid.
Cross-references Febi-Bilstein 39278, Global Parts Distributors LLC 3411842 and UAC EX10280C for the same application. See all 13.
Four Seasons 39278 Expansion Valve
Four Seasons 39278 is a block-type A/C expansion valve for R134A systems, built in aluminum for controlled refrigerant metering in the HVAC circuit. It fits 2006-2013 Suzuki Grand Vitara models and is specified as a direct replacement for the listed application.
Key Features
- Block-type A/C expansion valve for R134A refrigerant systems
- Aluminum construction with aluminum finish
- Fits 2006-2013 Suzuki Grand Vitara, N/A
- Female suction and liquid connections with captured O-ring, insert O-ring style
- Meets or exceeds OEM requirements
- Four Seasons 39278 cross-references UAC EX10280C for the same application
Product Details
The Four Seasons Expansion Valve line focuses on refrigerant flow control at the evaporator inlet, helping regulate pressure drop and refrigerant delivery in the air conditioning system. Part number 39278 is a w/o solenoid design with two mounting holes, No. 12 suction inlet and outlet fittings, and No. 6 liquid inlet with No. 10 liquid outlet fittings. It is listed for 1.5 tonnage applications and uses captured O-ring sealing surfaces for the suction and liquid connections. This part number 39278 is also referenced under Febi-Bilstein 39278 and other listed interchange numbers for the same application.
Common A/C Problems This Part May Address
- Incorrect refrigerant metering at the evaporator
- Weak or inconsistent cabin cooling
- Pressure imbalance in the A/C circuit
- Restricted refrigerant flow through the expansion valve
- Service replacement for a worn valve on a Suzuki Grand Vitara A/C system
Installation Notes
Verify the refrigerant type, fitting style, and port sizes before installation. Confirm the vehicle application against the existing HVAC layout on 2006-2013 Suzuki Grand Vitara models, and replace any disturbed O-rings with the correct seals for the captured O-ring connections. Evacuate and recharge the system according to factory service procedures after installation.
Quality Assurance
Four Seasons 39278 is listed as meeting or exceeding OEM requirements for the specified application. The aluminum construction and OE-style connection layout support a direct-fit replacement approach for the Grand Vitara HVAC system.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2013 | Suzuki | Grand Vitara | N/A | Expansion Valve |
| 2012 | Suzuki | Grand Vitara | N/A | Expansion Valve |
| 2011 | Suzuki | Grand Vitara | N/A | Expansion Valve |
| 2010 | Suzuki | Grand Vitara | N/A | Expansion Valve |
| 2009 | Suzuki | Grand Vitara | N/A | Expansion Valve |
| 2008 | Suzuki | Grand Vitara | N/A | Expansion Valve |
| 2007 | Suzuki | Grand Vitara | N/A | Expansion Valve |
| 2006 | Suzuki | Grand Vitara | N/A | Expansion Valve |
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