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Four Seasons 39377 A/C Expansion Valve - Rear
| Brand | Four Seasons 39377 |
|---|---|
| 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 | 10.2 |
| 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 | 16.4 |
| 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 | 0.660 |
| Suc In Size MM | 16.700 |
| 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 | 3.500 |
| Switch Included? | Not Included |
| Tonnage | 1.500 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Suzuki · 2 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable fit and function.
Aluminum construction. Lightweight material helps resist corrosion in the A/C system.
Block type design. Built for precise refrigerant flow control without a solenoid.
Cross-references Four Seasons 39377, Global Parts Distributors LLC 3411418 and UAC EX10182C for the same application. See all 12.
Four Seasons 39377 Expansion Valve
Four Seasons 39377 is a block-type A/C expansion valve for R134A systems, built in aluminum for rear HVAC service. It is specified for the rear air conditioning circuit on the 2001 Suzuki Grand Vitara and 2002 Suzuki XL-7, making it a direct-match choice for Suzuki Grand Vitara rear expansion valve and Suzuki XL-7 rear expansion valve repairs.
Key Features
- Block-type A/C expansion valve for R134A refrigerant systems
- Aluminum construction with aluminum finish
- Rear HVAC application with 1.5 tonnage rating
- Meets or exceeds OEM requirements
- Style without solenoid
- Captured O-ring and insert O-ring connection design
- Super heat setting: 3.5
- Four Seasons 39377 part number for service identification
Product Details
The Four Seasons Expansion Valve line focuses on precise refrigerant metering for automotive air conditioning systems. Part number 39377 is a rear A/C expansion valve designed for R134A applications and uses a block-style layout with female inlet and outlet connections. Its aluminum body and OEM-level specification support accurate refrigerant flow control in the rear HVAC circuit of the 2001 Suzuki Grand Vitara and 2002 Suzuki XL-7.
This part cross-references UAC EX10182C for the same application.
What It Helps Fix
- Rear A/C vents blowing warm air
- Erratic cabin cooling performance
- Restricted refrigerant flow at the expansion valve
- Incorrect superheat control in the rear HVAC circuit
- Loss of cooling efficiency in Suzuki Grand Vitara and Suzuki XL-7 rear systems
Installation Notes
Verify the vehicle’s rear HVAC configuration, refrigerant type, and line connection style before installation. This valve uses female suction and liquid fittings with captured O-ring and insert O-ring interfaces, so matching the existing system layout is important for proper sealing. Replace any disturbed O-rings with the correct refrigerant-safe seals and evacuate the system before recharging with R134A.
Quality Assurance
Four Seasons 39377 is built to meet or exceed OEM specifications for the listed applications. It is engineered as a service replacement expansion valve for rear A/C repair on the 2001 Suzuki Grand Vitara and 2002 Suzuki XL-7.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2002 | Suzuki | XL-7 | Rear | Expansion Valve |
| 2001 | Suzuki | Grand Vitara | Rear | Expansion Valve |
| No rows match your filter. | ||||