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Standard Ignition EGV644 EGR Valve
Overview of Standard Ignition EGR Valve EGV644
The Standard Ignition Exhaust Gas Recirculation (EGR) Valve, part number EGV644, is designed specifically for select INFINITI and Nissan vehicles. This component plays a critical role in controlling emissions and maintaining engine efficiency for models such as the Nissan Pathfinder and INFINITI QX4.
- Compatible with INFINITI and Nissan Pathfinder and QX4 models
- Direct replacement for factory EGR valve
- Ensures proper exhaust gas recirculation to reduce emissions
- Manufactured to meet OEM specifications
- Durable construction for reliable performance
Product Details and Functionality
The Standard Ignition EGR Valve EGV644 regulates the flow of exhaust gases back into the engine intake manifold. By recirculating a portion of exhaust gases, it helps lower combustion temperatures and reduce nitrogen oxide (NOx) emissions. This valve is engineered to fit precisely on Nissan Pathfinder and INFINITI QX4 models, ensuring seamless integration with the vehicle’s emission control system. The part number EGV644 corresponds to a component that meets strict quality standards, providing consistent operation and contributing to overall engine performance and emission compliance.
Common Applications and Problem Resolution
- Reduces engine knocking caused by high combustion temperatures
- Helps prevent rough idling and stalling issues
- Addresses increased emissions and failed emissions tests
- Improves fuel efficiency by optimizing exhaust gas flow
- Eliminates check engine light codes related to EGR malfunction
Installation Notes and Tips
Installation of the Standard Ignition EGR Valve EGV644 should be performed with the engine cool and the battery disconnected to ensure safety. It is important to clean the mounting surface and inspect the gasket for damage before installation. Proper torque specifications should be followed to avoid leaks or damage. After installation, a diagnostic scan may be necessary to reset any related engine codes and verify correct operation.
Quality Assurance and Warranty
Standard Ignition manufactures the EGR Valve EGV644 to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship. This commitment to quality supports long-term vehicle operation and emission compliance for Nissan Pathfinder and INFINITI QX4 owners.
| Brand | Standard Ignition |
| Part Number | EGV644 |
| Digital/Mechanical | Mechanical |
| Gaskets Included | Yes |
| Number of Bolt Holes | 2 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2000 | INFINITI | QX4 | N/A | |
| 1999 | INFINITI | QX4 | N/A | |
| 1998 | INFINITI | QX4 | N/A | |
| 1997 | INFINITI | QX4 | N/A | |
| 1997 | Nissan | Pathfinder | N/A | |
| 1996 | Nissan | Pathfinder | N/A |
* 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.