Hella EGR Module - 6NU358167-021
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Product Information
Full details
This Hella EGR Module (part number 6NU358167-021) is a direct replacement component for various Audi, Seat, Skoda, and VW models, offering a high-quality solution for a faulty Exhaust Gas Recirculation system. It ensures your vehicle's emissions control functions correctly, but professional installation is recommended due to the complexity of the EGR system. The module includes necessary gaskets, seals, the EGR valve, and an EGR cooler, featuring electrical operation with a 5-pin connector.
All features
| Model Part Number | 6NU358167-021 |
|---|---|
| Brand | Hella |
Extended Product Information
FAQs
What does an EGR module do?
An Exhaust Gas Recirculation (EGR) module recirculates a portion of exhaust gas back into the engine's cylinders. This lowers combustion temperatures, reducing the formation of nitrogen oxides (NOx), a major air pollutant.
What OEM part numbers does this Hella EGR module replace?
This module replaces OEM part numbers including 03L 131 512 AN, 03L 131 512 AS, 03L 131 512 BH, 03L 131 512 BK, 03L 131 512 CE, 03L 131 512 CG, and 03L 131 512 DP.
Does this module come with installation hardware?
Yes, this Hella EGR Module comes complete with the necessary gaskets and seals for installation.
Is this a direct bolt-on replacement?
Yes, it is designed as a direct replacement for the original EGR module in compatible Audi, Seat, Skoda, and VW vehicles.
Can I install this myself?
While some experienced DIY mechanics may attempt it, professional installation is recommended due to the complexity and critical nature of the EGR system for emissions control.
How many pins does the electrical connector have?
This EGR module features an electrical connector with 5 pins.
What vehicles are typically compatible with this part?
It is designed for various Audi, Seat, Skoda, and VW models that use the specified OEM part numbers. Always verify compatibility with your specific vehicle.
Troubleshooting
Check Engine Light remains on after installation
Ensure all connections (electrical and vacuum/exhaust) are secure. Verify that the correct part number was installed for your vehicle. Clear the DTCs using a diagnostic scanner; a persistent light may indicate another issue or a faulty new part.
Rough idling or poor performance persists
Confirm the EGR cooler and valve were installed correctly and are sealed properly. Check for any exhaust leaks around the installation area. Ensure the vehicle's ECU has been reset or has relearned the new component, if applicable.
Vehicle fails emissions test
Re-check all connections and ensure there are no exhaust leaks. A persisting failure may indicate an underlying issue with other engine components or a need for ECU software update related to emissions control.
Pros and Cons
Pros
- Ensures proper functioning of the EGR system.
- Includes all necessary components for replacement (valve, cooler, gaskets).
- High-quality manufacturing by Hella.
- Designed for a direct fit in compatible vehicles.
- Helps maintain emissions standards.
Cons
- Professional installation is recommended, potentially increasing overall cost.
- Requires specific vehicle compatibility; not a universal part.
- Electrical component, requires careful handling during installation.
Setup, Compatibility & Care
Compatibility:
This Hella EGR Module (6NU358167-021) is compatible with a range of Audi, Seat, Skoda, and VW models. It is crucial to verify fitment using the provided OEM part numbers: 03L 131 512 AN, 03L 131 512 AS, 03L 131 512 BH, 03L 131 512 BK, 03L 131 512 CE, 03L 131 512 CG, and 03L 131 512 DP. Always confirm with your vehicle's VIN or existing part number.
Installation:
Professional installation is strongly recommended. The EGR system is integrated into the engine's exhaust and intake pathways. Installation involves:
- Disconnecting the battery.
- Locating and accessing the existing EGR module.
- Removing exhaust and intake pipes connected to the module.
- Carefully unbolting and removing the old EGR module and cooler.
- Cleaning mounting surfaces to ensure a good seal.
- Installing the new gaskets and seals provided with the Hella module.
- Mounting the new EGR module and cooler.
- Reconnecting pipes and the electrical connector.
- Reconnecting the battery and clearing any diagnostic trouble codes (DTCs).
Care:
EGR modules require minimal direct user care. However, regular maintenance of your vehicle's engine, including ensuring clean air filters and proper engine oil changes, can help prolong the life of the EGR system. Avoid using harsh chemical cleaners directly on the EGR valve, as this can damage sensitive electrical components.