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Four Seasons 39378 A/C Expansion Valve - Rear
| Brand | Four Seasons 39378 |
|---|---|
| Position | Rear |
| 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 | Caputred O-Ring |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | O-Ring |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 10 |
| Liquid Outlet Style | FIO |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | Insert O-Ring |
| Lqd Out Size IN | 0.650 |
| Lqd Out Size MM | 16.5 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| O-Ring A Number/Desc | [24610] / Green O-Ring |
| O-Ring B Number/Desc | [24611] / Green O-Ring |
| O-Ring C Number/Desc | [24681] / Green O-Ring |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.650 |
| Suc In Size MM | 16.5 |
| Suc Out Size IN | 0.72 |
| Suc Out Size MM | 18.3 |
| Suction Inlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 10 |
| Suction Inlet Style | FIO |
| 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 | O-Ring |
| Super Heat | 5.300 |
| Switch Included? | Not Included |
| Tonnage | 1.500 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Suzuki · 4 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable service.
Block type design. Simplifies refrigerant flow control in the A/C system.
Aluminum construction. Lightweight material resists corrosion in demanding conditions.
Cross-references Dynomax 39378, Global Parts Distributors LLC 3411449 and UAC EX10198C for the same application. See all 13.
Four Seasons 39378 Expansion Valve Overview
Four Seasons 39378 is a block-type A/C expansion valve for R134A systems, built with an aluminum body and OE-style fitment details. It is listed for the rear HVAC application on 2003-2006 Suzuki XL-7 models and meets or exceeds OEM requirements.
Key Features
- Brand: Four Seasons Expansion Valve line
- Part number: 39378
- Block-type A/C expansion valve for R134A refrigerant
- Aluminum construction with aluminum finish
- Rear HVAC fitment for 2003-2006 Suzuki XL-7
- Style: w/o solenoid
- Super heat rating: 5.300
- Meets or exceeds OEM specifications
Product Details
The Four Seasons Expansion Valve line focuses on precise refrigerant metering for automotive air conditioning systems. This Four Seasons 39378 expansion valve uses a block-type design with female suction and liquid connections, captured and insert O-ring sealing styles, and OE-matching port sizing for the listed application. It is a direct-fit service part for the rear A/C system on the Suzuki XL-7, helping restore proper refrigerant flow control in an R134A setup. If you are searching for a rear A/C expansion valve for 2003 Suzuki XL-7, 2004 Suzuki XL-7, 2005 Suzuki XL-7, or 2006 Suzuki XL-7, part number 39378 is the relevant match.
This part cross-references UAC EX10198C and Wix 46398 for the same application.
What It Is Used For
- Restoring correct refrigerant metering in the rear A/C circuit
- Addressing weak or inconsistent rear cabin cooling
- Replacing a valve with restricted or unstable flow control
- Correcting A/C performance issues tied to worn sealing surfaces
- Servicing the rear HVAC system on a Suzuki XL-7 with R134A refrigerant
Installation Notes and Tips
Verify the vehicle is a 2003-2006 Suzuki XL-7 with rear A/C before ordering. Match the suction and liquid port styles, thread diameters, and O-ring sealing points to the original part during service. Replace the system O-rings and evacuate and recharge the A/C system according to factory procedures after installation. Confirm refrigerant charge and system pressures after the repair to ensure proper operation.
Quality Assurance
Four Seasons lists this expansion valve as meeting or exceeding OEM requirements for the specified application. Part number 39378 is built for the listed rear A/C fitment and refrigerant type, with OE-style connection details for service replacement.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Suzuki | XL-7 | Rear | Expansion Valve |
| 2005 | Suzuki | XL-7 | Rear | Expansion Valve |
| 2004 | Suzuki | XL-7 | Rear | Expansion Valve |
| 2003 | Suzuki | XL-7 | Rear | Expansion Valve |
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