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Four Seasons 38670 A/C Expansion Valve
| Brand | Four Seasons 38670 |
|---|---|
| Color | Gold |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Inlet Size IN | 0.41 |
| Liquid Inlet Size MM | 10.5 |
| Liquid Inlet Style | FIO |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | Insert O-Ring |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Liquid Outlet Style | FIO |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | Insert O-Ring |
| Lqd Out Size IN | 0.540 |
| Lqd Out Size MM | 13.6 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| O-Ring A Number/Desc | [24612] / Green O-Ring |
| O-Ring B Number/Desc | [24606] / Green O-Ring |
| O-Ring C Number/Desc | [24608] / Green O-Ring |
| O-Ring D Number/Desc | [24610] / Green O-Ring |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.650 |
| Suc In Size MM | 16.4 |
| Suc Out Size IN | 0.77 |
| Suc Out Size MM | 19.6 |
| 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 | FIO |
| Suction Outlet Thread Type | Not Threaded |
| Suction Outlet Type | Insert O-Ring |
| Super Heat | 5.000 |
| Switch Included? | Not Included |
| Tonnage | 1.500 |
| Type | Block Type |
| Product line | Expansion Valve |
| Fits | Volkswagen, Nissan, Renault, and Audi · 96 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable A/C flow control.
Aluminum block type. Lightweight construction with a durable gold finish.
R134A compatible. Built for modern refrigerant systems without a solenoid.
Cross-references AMS Automotive 4618, Continental 17561 and Dorman - HELP 38670 for the same application. See all 35.
Four Seasons 38670 Expansion Valve
Four Seasons 38670 is a block-type A/C expansion valve for R134A systems. It is built from aluminum with a gold finish and meets or exceeds OEM requirements for direct replacement service on select Volkswagen, Audi, and Nissan applications.
Key Features
- Block-type A/C expansion valve for refrigerant flow control
- Aluminum construction with gold finish
- R134A refrigerant type
- Female FIO insert O-ring inlet and outlet connections
- 5.0 super heat specification
- Mounting hole quantity: 2
- Style: w/o solenoid
- Meets or exceeds OEM specifications
Product Details
The Four Seasons Expansion Valve line is built for precise refrigerant metering in automotive HVAC systems. Part number 38670 is a block-style expansion valve with female suction and liquid connections, insert O-ring sealing surfaces, and OEM-matching fitment details for service on vehicles such as the Volkswagen Beetle, Volkswagen Jetta, and Audi TT. This part cross-references Dorman - HELP 38670 for the same application.
Compatible With 1998-2010 Volkswagen Beetle, N/A; 1993-2005 Volkswagen Jetta, N/A; 2000-2006 Audi TT, N/A; and additional listed Volkswagen, Audi, and Nissan platforms. Use this valve when servicing an R134A air conditioning system that requires controlled refrigerant expansion and stable evaporator performance.
Common Repair Applications
- Weak or inconsistent cabin cooling
- Incorrect refrigerant metering at the evaporator
- A/C performance loss caused by a restricted or worn expansion valve
- Temperature fluctuation in the HVAC system
- Service replacement for leaking or damaged valve bodies
Installation Notes
Verify refrigerant type, connection style, and mounting layout before installation. Replace and lubricate O-rings as needed, and confirm the system is clean and properly evacuated before recharging. Always match the valve to the vehicle’s HVAC configuration and confirm the listed fitment for the exact year and model.
Quality Assurance
Four Seasons 38670 is engineered as an OEM-style replacement expansion valve and is listed as meeting or exceeding OEM requirements for the applications shown.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Volkswagen | Clasico | — | — | — | N/A | Expansion Valve |
| 2014 | Volkswagen | Clasico | — | — | — | N/A | Expansion Valve |
| 2013 | Volkswagen | Clasico | — | — | — | N/A | Expansion Valve |
| 2012 | Volkswagen | Clasico | — | — | — | N/A | Expansion Valve |
| 2011 | Volkswagen | Clasico | — | — | — | N/A | Expansion Valve |
| 2010 | Nissan | Platina | — | — | — | N/A | Expansion Valve |
| 2010 | Volkswagen | Beetle | — | — | — | N/A | Expansion Valve |
| 2010 | Volkswagen | Beetle Cabrio | — | — | — | N/A | Expansion Valve |
| 2009 | Nissan | Platina | — | — | — | N/A | Expansion Valve |
| 2009 | Volkswagen | Beetle | — | — | — | N/A | Expansion Valve |
| 2008 | Nissan | Platina | — | — | — | N/A | Expansion Valve |
| 2008 | Volkswagen | Beetle | — | — | — | N/A | Expansion Valve |
| 2007 | Nissan | Platina | — | — | — | N/A | Expansion Valve |
| 2007 | Volkswagen | Beetle | — | — | — | N/A | Expansion Valve |
| 2006 | Audi | TT | — | — | — | N/A | Expansion Valve |
| 2006 | Audi | TT Quattro | — | — | — | N/A | Expansion Valve |
| 2006 | Nissan | Platina | — | — | — | N/A | Expansion Valve |
| 2006 | Volkswagen | Beetle | — | — | — | N/A | Expansion Valve |
| 2006 | Volkswagen | Golf | — | 2.0L | L4 | N/A | Expansion Valve |
| 2005 | Audi | TT | — | — | — | N/A | Expansion Valve |
| 2005 | Audi | TT Quattro | — | — | — | N/A | Expansion Valve |
| 2005 | Nissan | Platina | — | — | — | N/A | Expansion Valve |
| 2005 | Volkswagen | Beetle | — | — | — | N/A | Expansion Valve |
| 2005 | Volkswagen | Golf | — | — | — | N/A | Expansion Valve |
| 2005 | Volkswagen | Jetta | — | 2.0L | L4 | N/A | Expansion Valve |
| 2005 | Volkswagen | Jetta | — | 1.9L | L4 | N/A | Expansion Valve |
| 2005 | Volkswagen | Jetta | — | 1.8L | L4 | N/A | Expansion Valve |
| 2005 | Volkswagen | Jetta | GL | 2.0L | L4 | N/A | Expansion Valve |
| 2005 | Volkswagen | Jetta | GL | 1.8L | L4 | N/A | Expansion Valve |
| 2005 | Volkswagen | Jetta | GLS | 2.0L | L4 | N/A | Expansion Valve |
| 2005 | Volkswagen | Jetta | GLS | 1.8L | L4 | N/A | Expansion Valve |
| 2005 | Volkswagen | Jetta | GLI | 1.8L | L4 | N/A | Expansion Valve |
| 2005 | Volkswagen | Jetta | GL TDI | 1.9L | L4 | N/A | Expansion Valve |
| 2005 | Volkswagen | Jetta | GLS TDI | 1.9L | L4 | N/A | Expansion Valve |
| 2004 | Audi | TT | — | — | — | N/A | Expansion Valve |
| 2004 | Audi | TT Quattro | — | — | — | N/A | Expansion Valve |
| 2004 | Nissan | Platina | — | — | — | N/A | Expansion Valve |
| 2004 | Volkswagen | Beetle | — | — | — | N/A | Expansion Valve |
| 2004 | Volkswagen | Golf | — | — | — | N/A | Expansion Valve |
| 2004 | Volkswagen | Jetta | — | — | — | N/A | Expansion Valve |
| 2004 | Volkswagen | R32 | — | — | — | N/A | Expansion Valve |
| 2003 | Audi | TT | — | — | — | N/A | Expansion Valve |
| 2003 | Audi | TT Quattro | — | — | — | N/A | Expansion Valve |
| 2003 | Nissan | Platina | — | — | — | N/A | Expansion Valve |
| 2003 | Volkswagen | Beetle | — | — | — | N/A | Expansion Valve |
| 2003 | Volkswagen | Golf | — | — | — | N/A | Expansion Valve |
| 2003 | Volkswagen | Jetta | — | — | — | N/A | Expansion Valve |
| 2002 | Audi | TT | — | — | — | N/A | Expansion Valve |
| 2002 | Audi | TT Quattro | — | — | — | N/A | Expansion Valve |
| 2002 | Nissan | Platina | — | — | — | N/A | Expansion Valve |
| 2002 | Volkswagen | Beetle | — | — | — | N/A | Expansion Valve |
| 2002 | Volkswagen | Cabrio | — | — | — | N/A | Expansion Valve |
| 2002 | Volkswagen | Golf | — | — | — | N/A | Expansion Valve |
| 2002 | Volkswagen | Jetta | — | — | — | N/A | Expansion Valve |
| 2001 | Audi | TT | — | — | — | N/A | Expansion Valve |
| 2001 | Audi | TT Quattro | — | — | — | N/A | Expansion Valve |
| 2001 | Volkswagen | Beetle | — | — | — | N/A | Expansion Valve |
| 2001 | Volkswagen | Cabrio | — | — | — | N/A | Expansion Valve |
| 2001 | Volkswagen | Golf | — | — | — | N/A | Expansion Valve |
| 2001 | Volkswagen | Jetta | — | — | — | N/A | Expansion Valve |
| 2000 | Audi | TT | — | — | — | N/A | Expansion Valve |
| 2000 | Audi | TT Quattro | — | — | — | N/A | Expansion Valve |
| 2000 | Volkswagen | Beetle | — | — | — | N/A | Expansion Valve |
| 2000 | Volkswagen | Cabrio | — | — | — | N/A | Expansion Valve |
| 2000 | Volkswagen | Golf | — | — | — | N/A | Expansion Valve |
| 2000 | Volkswagen | Jetta | — | — | — | N/A | Expansion Valve |
| 1999 | Volkswagen | Beetle | — | — | — | N/A | Expansion Valve |
| 1999 | Volkswagen | Cabrio | — | — | — | N/A | Expansion Valve |
| 1999 | Volkswagen | Golf | — | — | — | N/A | Expansion Valve |
| 1999 | Volkswagen | Jetta | — | — | — | N/A | Expansion Valve |
| 1998 | Volkswagen | Beetle | — | — | — | N/A | Expansion Valve |
| 1998 | Volkswagen | Cabrio | — | — | — | N/A | Expansion Valve |
| 1998 | Volkswagen | Golf | — | — | — | N/A | Expansion Valve |
| 1998 | Volkswagen | Jetta | — | — | — | N/A | Expansion Valve |
| 1997 | Volkswagen | Cabrio | — | — | — | N/A | Expansion Valve |
| 1997 | Volkswagen | Golf | — | — | — | N/A | Expansion Valve |
| 1997 | Volkswagen | Jetta | — | — | — | N/A | Expansion Valve |
| 1997 | Volkswagen | Passat | — | — | — | N/A | Expansion Valve |
| 1996 | Volkswagen | Cabrio | — | — | — | N/A | Expansion Valve |
| 1996 | Volkswagen | Golf | — | — | — | N/A | Expansion Valve |
| 1996 | Volkswagen | Jetta | — | — | — | N/A | Expansion Valve |
| 1996 | Volkswagen | Passat | — | — | — | N/A | Expansion Valve |
| 1995 | Volkswagen | Cabrio | — | — | — | N/A | Expansion Valve |
| 1995 | Volkswagen | Golf | — | — | — | N/A | Expansion Valve |
| 1995 | Volkswagen | Jetta | — | — | — | N/A | Expansion Valve |
| 1995 | Volkswagen | Passat | — | — | — | N/A | Expansion Valve |
| 1994 | Volkswagen | Corrado | — | — | — | N/A | Expansion Valve |
| 1994 | Volkswagen | Golf | — | — | — | N/A | Expansion Valve |
| 1994 | Volkswagen | Jetta | — | — | — | N/A | Expansion Valve |
| 1994 | Volkswagen | Passat | — | — | — | N/A | Expansion Valve |
| 1993 | Volkswagen | Corrado | — | — | — | N/A | Expansion Valve |
| 1993 | Volkswagen | Golf | — | — | — | N/A | Expansion Valve |
| 1993 | Volkswagen | Jetta | — | — | — | N/A | Expansion Valve |
| 1993 | Volkswagen | Passat | — | 2.0L | L4 | N/A | Expansion Valve |
| 1993 | Volkswagen | Passat | — | 2.8L | V6 | N/A | Expansion Valve |
| 1992 | Volkswagen | Corrado | — | 2.8L | V6 | N/A | Expansion Valve |
| No rows match your filter. | |||||||