Audi A6 C6 EGR Valve Exhaust Cooler Diesel Engine 2.7 3.0 TDI 059131515R

Audi A6 C6 EGR Valve Exhaust Cooler Diesel Engine 2.7 3.0 TDI is an exhaust gas recirculation system component designed for diesel units, responsible for the controlled return of exhaust gases to the intake manifold and their efficient cooling. Thanks to this solution, the diesel engine runs more stably, and nitrogen oxide emissions are reduced, which helps maintain proper operating parameters and compliance with environmental requirements. It is a practical choice when repairing the EGR system in an Audi A6 C6 with a 2.7 or 3.0 TDI engine, when you want to maintain the factory design concept and efficient operation of the exhaust system.

Specifications and technical data

• SKU: 059131515R-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 059131515R
• Substitutable numbers: 059131515R, 059 131 515 R, 0929700308Q05
• Fuel type: Diesel
• Category: EGR Parts & Valves

Function of the EGR valve and exhaust cooler in a diesel engine

In the presented solution, the EGR valve works with the exhaust cooler, creating an integrated module responsible for the precise dosing of exhaust gases directed back to the intake system. Cooling the gases before they are reintroduced into the cylinder allows for a reduction in combustion temperature, which limits the formation of harmful compounds and stabilizes the operation of the power unit. In diesel engines, this is of particular importance for smooth operation, correct response to load, and maintaining the appropriate values set by the engine control unit.

Intended for Audi A6 C6 2.7 / 3.0 TDI

The described EGR module has been designed for use in the Audi A6 C6 generation equipped with 2.7 TDI and 3.0 TDI diesel engines. This means it is matched to the architecture of these units' accessories, including the intake system, exhaust system, and electronic control. Using an element from the EGR Valves and Parts group dedicated to a specific model platform allows for maintaining the correct position of ports, flow channels, and mounting points, which facilitates installation and reduces the risk of leaks.

Technical and operational characteristics

The EGR module with an exhaust cooler operates under demanding thermal and pressure conditions, which is why its proper condition has a direct impact on:

• idle stability and smooth operation of the diesel engine across the full load range,
• reduction of smoke and improvement of exhaust gas composition,
• cooperation with the turbocharging system and the engine control unit,
• maintaining the appropriate temperature of exhaust gases directed for recirculation.

In the case of symptoms such as power loss, limp mode, unstable RPM, or errors related to the exhaust gas recirculation system, replacing the EGR valve along with the cooler is one of the key diagnostic and repair steps. Using an element intended for a diesel engine allows for maintaining operating parameters consistent with the manufacturer's specifications.

Condition, origin, and use in service practice

The offered element comes from dismantling and is marked as used, which is a cost-effective solution while maintaining the original design. This type of part is frequently chosen in professional workshops specializing in Audi service when the priority is matching the factory system and the ability to install it in place of a worn or damaged EGR module. A properly selected valve with an exhaust cooler helps restore the correct operation of the power unit without the need for costly installation modifications.

Comprehensive EGR system service for Audi

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as additional valves, recirculation hoses, or control elements, check the available parts in the Audi EGR Valves and Parts category.

When selecting used exhaust gas recirculation system elements, it is worth following proven solutions and the real experiences of users. To better plan your repair and learn about the advantages of using original components from dismantling in popular models, check out the guide: The best used car parts – a guide to the most frequently chosen original parts for popular car makes and models.