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Nissens 999320 A/C Expansion Valve - Front
Reliable A/C Expansion Valve for Volkswagen Touareg
The Nissens 999320 A/C expansion valve is engineered to maintain optimal air conditioning performance in Volkswagen Touareg models. Designed with precision, this aluminum block-type valve ensures efficient refrigerant flow control for R134a systems.
- Constructed from durable aluminum for long-lasting performance
- Compatible with R134a refrigerant systems
- Block-type A/C expansion valve design
- Includes four O-rings for secure sealing
- Liquid inlet and outlet fitting thread diameter: 0.5500 inches
- Suction inlet fitting thread diameter: 0.7900 inches
- Suction outlet fitting thread diameter: 0.7100 inches
Technical Details and Specifications
The Nissens 999320 A/C expansion valve is specifically designed for Volkswagen Touareg vehicles, providing precise refrigerant metering to regulate the flow within the air conditioning system. Its aluminum construction offers corrosion resistance and durability under varying operating conditions. The valve features a block-type design, which integrates seamlessly with the vehicle’s HVAC system. Thread diameters for liquid and suction fittings are carefully matched to ensure proper connection and system integrity. Four O-rings are included to guarantee a tight seal and prevent refrigerant leaks, supporting system efficiency and reliability.
Applications and Problem Resolution
- Restores proper refrigerant flow in Volkswagen Touareg A/C systems
- Addresses issues with inconsistent cabin cooling
- Prevents refrigerant leaks with included O-rings
- Helps resolve A/C system pressure imbalances
- Supports efficient operation of R134a refrigerant circuits
Installation Notes and Tips
When installing the Nissens 999320 expansion valve, ensure all O-rings are properly seated to avoid leaks. Verify thread diameters match the vehicle’s fittings for a secure connection. This part does not include mounting hardware, so retain original components or source compatible hardware as needed. Proper evacuation and recharge of the A/C system with R134a refrigerant is recommended after installation to maintain system performance.
Quality Assurance and Warranty
Nissens manufactures this A/C expansion valve to meet OEM standards for Volkswagen Touareg vehicles. The use of high-quality aluminum and precise engineering supports durability and reliable operation. While specific warranty details are not provided, Nissens products typically adhere to industry quality controls to ensure customer satisfaction and part longevity.
| Brand | Nissens |
| Part Number | 999320 |
| Material | Aluminum |
| Refrigerant Type | R134a |
| Type | Block |
| Mounting Hardware Included | No |
| Liquid Inlet Fitting Thread Diameter | 0.5500 |
| Liquid Outlet Fitting Thread Diameter | 0.5500 |
| O-ring Quantity | 4 |
| O-rings Included | Yes |
| Suction Inlet Fitting Thread Diameter | 0.7900 |
| Suction Outlet Fitting Thread Diameter | 0.7100 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2006 | Volkswagen | Touareg | Base | 4.2L | V8 | GAS | Front | To Chassis/VIN 7L-6-052 000 |
| 2006 | Volkswagen | Touareg | TDI | 5.0L | V10 | DIESEL | Front | To Chassis/VIN 7L-6-052 000 |
| 2006 | Volkswagen | Touareg | Base | 3.2L | V6 | GAS | Front | To Chassis/VIN 7L-6-052 000 |
| 2005 | Volkswagen | Touareg | Base | 3.2L | V6 | GAS | Front | To Chassis/VIN 7L-5-050 000 |
| 2005 | Volkswagen | Touareg | Base | 4.2L | V8 | GAS | Front | To Chassis/VIN 7L-5-050 000 |
| 2005 | Volkswagen | Touareg | Base | 4.2L | V8 | GAS | Front | From Chassis/VIN 7L-5-050 001 |
| 2005 | Volkswagen | Touareg | Base | 3.2L | V6 | GAS | Front | From Chassis/VIN 7L-5-050 001 |
| 2004 | Volkswagen | Touareg | TDI | 4.9L | V10 | DIESEL | Front | |
| 2004 | Volkswagen | Touareg | V6 | 3.2L | V6 | GAS | Front | |
| 2004 | Volkswagen | Touareg | V8 | 4.2L | V8 | GAS | Front |
* 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.