Audi A4 B9 A6 C8 Q7 4M EGR Valve Cooler Unit 3.0 TDI Diesel 059131511DE

Audi A4 B9 A6 C8 Q7 4M EGR Valve Cooler 3.0 TDI Diesel is a component from the EGR Valves and Parts category, designed for exhaust gas recirculation systems in Audi diesel engines. This used OEM part allows for a technical, factory-compliant replacement of a damaged EGR module in modern 3.0 TDI Diesel units, while maintaining proper engine operating parameters and exhaust emissions.

Specifications and technical data

• SKU: 059131511DE
• Mark: Audi
• Condition: Used
• OEM Part Number: 059131511DE
• Substitutable numbers: 059131511DE, 059 131 511 DE
• Fuel type: Diesel
• Part type: EGR Cooler
• Category: EGR Parts & Valves

Purpose and Function in the EGR System

The presented EGR valve with cooler operates within the exhaust gas recirculation system of 3.0 TDI Diesel engines used in Audi A4 B9, A6 C8, and Q7 4M models. It is responsible for the controlled flow of exhaust gases back into the intake manifold and their cooling before reintroduction into the cylinder. A properly functioning EGR module supports stable engine operation, reduces nitrogen oxide emissions, and helps maintain compliance with exhaust emission standards.

In Diesel vehicles, a functional EGR valve with cooler is crucial for smooth idling, correct throttle response, and reduced smoke. Replacing a worn-out component with an original Audi part restores factory-set exhaust flow and intake temperature parameters.

Benefits of Using an Original Audi Part

Choosing an original Audi EGR valve with cooler ensures:

• factory fit for 3.0 TDI Diesel units used in A4 B9, A6 C8, and Q7 4M,
• maintenance of correct exhaust gas recirculation system operating characteristics,
• compatibility with engine control unit software and injection maps,
• reduced risk of diagnostic errors related to incorrect EGR flow.

By using a used, original component, you can economically restore the correct operation of the EGR system without resorting to aftermarket parts with uncertain specifications. This solution is particularly beneficial for owners who wish to maintain component consistency within the Audi brand.

Technical and Installation Characteristics

This element belongs to the EGR Valves and Parts group, meaning it is designed to operate under high temperatures and variable thermal loads. The design combines the function of a valve controlling exhaust gas flow with a cooler that reduces their temperature before returning to the intake system. This solution supports stable diesel engine operation and improves mixture combustion conditions.

When selecting a part, matching it to the specific model and engine version is crucial. In practice, this means verifying compatibility with your Audi A4 B9, A6 C8, or Q7 4M vehicle and the installed 3.0 TDI Diesel engine. A used part can be installed in place of the factory module, maintaining the original geometry of connections and mounting points.

Application in Servicing and Youngtimer Modernization

For Audi models approaching the youngtimer segment, appropriately selected used EGR components allow for the restoration of correct engine operation without excessive budget strain. For owners planning long-term vehicle use, installing an original EGR module is a sensible compromise between cost and durability. If you want to better understand how used parts can rejuvenate older Audi and other brand constructions, read the article Second Life for Youngtimers – How Used Car Parts Rejuvenate Cars from 1998–2012.

Selecting Other EGR Components for Audi

If you are planning comprehensive servicing of your Audi's exhaust gas recirculation system and are considering replacing additional components such as other valves, coolers, or control elements within the same system, check the available parts in the Audi EGR Valves and Parts category.