OE Quality
60-Day Returns

Four Seasons 38908 A/C Expansion Valve - Rear
Reliable A/C Expansion Valve for Chevrolet Astro and GMC Safari
The Four Seasons Expansion Valve 38908 is designed to regulate refrigerant flow in your vehicle's air conditioning system. Specifically engineered for Chevrolet Astro and GMC Safari models, this brass TXV valve ensures proper cooling performance with R134a refrigerant.
- Durable brass construction for long-lasting use
- Compatible with R134a refrigerant systems
- TXV (Thermostatic Expansion Valve) type for precise refrigerant control
- Designed for Chevrolet Astro and GMC Safari vehicles
- Part number 38908 for accurate replacement
About the Four Seasons Expansion Valve Product Line
The Expansion Valve line by Four Seasons focuses on delivering precise refrigerant flow control components for automotive HVAC systems. This product line includes TXV valves like part number 38908, which are engineered to maintain optimal air conditioning performance by regulating refrigerant pressure and flow. The Expansion Valve series is tailored to meet the specific requirements of various vehicle makes and models, including Chevrolet and GMC applications.
Product Details and Specifications
The Four Seasons 38908 A/C Expansion Valve is constructed from brass, providing corrosion resistance and durability under typical automotive operating conditions. It is designed for use with R134a refrigerant, the standard refrigerant type for many modern vehicles. As a TXV type valve, it modulates refrigerant flow based on temperature and pressure, helping maintain consistent cabin cooling. This valve is compatible with Chevrolet Astro and GMC Safari models, ensuring a proper fit and function within these vehicles' HVAC systems.
Common Applications and Issues Addressed
- Restores proper refrigerant flow in Chevrolet Astro and GMC Safari A/C systems
- Resolves inconsistent or weak air conditioning cooling performance
- Prevents compressor damage caused by improper refrigerant pressure
- Eliminates issues related to overheating or freezing of the evaporator
- Replaces faulty or worn expansion valves to maintain system efficiency
Installation Notes and Tips
When installing the Four Seasons Expansion Valve 38908, ensure the A/C system is properly evacuated and free of contaminants. Use appropriate tools to avoid damaging the brass valve body. Verify compatibility with Chevrolet Astro and GMC Safari models before installation. Follow manufacturer torque specifications and refrigerant handling procedures to maintain system integrity and safety.
Quality Assurance and Warranty
Four Seasons Expansion Valve 38908 is manufactured to meet industry standards for HVAC components. The brass construction and TXV design contribute to reliable performance in R134a refrigerant systems. While specific warranty details may vary, Four Seasons typically offers coverage against defects in materials and workmanship to support product reliability.
| Brand | Four Seasons |
|---|---|
| Part Number | 38908 |
| Position | Expansion Valve, Rear |
| Color | Brass |
| Refrigerant Type | R134A |
| Type | TXV |
This part fits 24 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Chevrolet | Astro | Rear | Expansion Valve |
| 2005 | GMC | Safari | Rear | Expansion Valve |
| 2004 | Chevrolet | Astro | Rear | Expansion Valve |
| 2004 | GMC | Safari | Rear | Expansion Valve |
| 2003 | Chevrolet | Astro | Rear | Expansion Valve |
| 2003 | GMC | Safari | Rear | Expansion Valve |
| 2002 | Chevrolet | Astro | Rear | Expansion Valve |
| 2002 | GMC | Safari | Rear | Expansion Valve |
| 2001 | Chevrolet | Astro | Rear | Expansion Valve |
| 2001 | GMC | Safari | Rear | Expansion Valve |
| 2000 | Chevrolet | Astro | Rear | Expansion Valve |
| 2000 | GMC | Safari | Rear | Expansion Valve |
| 1999 | Chevrolet | Astro | Rear | Expansion Valve |
| 1999 | GMC | Safari | Rear | Expansion Valve |
| 1998 | Chevrolet | Astro | Rear | Expansion Valve |
| 1998 | GMC | Safari | Rear | Expansion Valve |
| 1997 | Chevrolet | Astro | Rear | Expansion Valve |
| 1997 | GMC | Safari | Rear | Expansion Valve |
| 1996 | Chevrolet | Astro | Rear | Expansion Valve |
| 1996 | GMC | Safari | Rear | Expansion Valve |
| 1995 | Chevrolet | Astro | Rear | Expansion Valve |
| 1995 | GMC | Safari | Rear | Expansion Valve |
| 1994 | Chevrolet | Astro | Rear | Expansion Valve |
| 1994 | GMC | Safari | Rear | Expansion Valve |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.