EGR Cooler Audi A6 C6 Q7 4L EGR Cooler Pipe Hose Line 2.7 3.0 TDI 059131503H

EGR Cooler Audi A6 C6 Q7 4L EGR Cooler Pipe Hose Line 2.7 3.0 TDI is a specialized component of the exhaust gas recirculation system designed for TDI diesel engines. It is responsible for the efficient discharge and cooling of exhaust gases directed back to the intake manifold, which contributes to the stable operation of the power unit and reduces emissions. This solution is dedicated to Audi models with Diesel engines, where proper cooperation of the EGR system with the engine electronics and equipment is crucial.

Specifications and technical data

• SKU: 059131503H
• Mark: Audi
• Condition: Used
• OEM Part Number: 059131503H
• Substitutable numbers: 059131503H, 059 131 503 H
• Fuel type: Diesel
• Category: EGR Parts & Valves

Purpose and function in the EGR system

The presented EGR cooler with pipe belongs to the EGR valves and parts group, which are components responsible for the controlled circulation of exhaust gases in a diesel engine. In Audi A6 C6 and Q7 4L vehicles with 2.7 and 3.0 TDI units, this component:

• discharges exhaust gases from the exhaust system to the intake system,
• ensures they are cooled before being reintroduced into the combustion chamber,
• supports maintaining the proper engine operating temperature in recirculation mode,
• helps reduce nitrogen oxide emissions in accordance with requirements for Diesel engines.

Thanks to its proper design and fitment for specific generations of TDI units, this component allows for maintaining stable EGR system parameters and proper cooperation with the factory Audi engine control system.

Compatibility with Audi Diesel engines

The EGR cooler with pipe has been designed for Diesel engines used in the Audi A6 C6 and Audi Q7 4L in 2.7 and 3.0 TDI versions. This means it is matched in terms of:

• connection geometry to the manifold and exhaust system,
• placement of mounts in the engine bay,
• exhaust gas flow appropriate for the power and characteristics of these units.

Such fitment facilitates installation in place of the factory component and allows for maintaining the original characteristics of the exhaust gas recirculation system without the need for system modifications.

Characteristics of the used component

The offered component is a used part, which in practice means the possibility of an economical repair of the EGR system while maintaining the original design intended for Audi. This type of solution is particularly beneficial when:

• the existing EGR cooler has developed a leak or mechanical damage,
• there are problems with exhaust gas overheating in the EGR circuit,
• it is necessary to replace the component as part of a broader service of the intake and exhaust system.

Choosing a used component from this group allows for maintaining the factory design of the system, which is important for the proper operation of the TDI engine and compliance with the ECU software.

The importance of proper exhaust gas recirculation in TDI

An efficient EGR system in TDI engines affects several key areas of vehicle operation:

• stability of the power unit operation in low and medium RPM ranges,
• reduction of harmful compound emissions, including nitrogen oxides,
• reduction of thermal loads in the combustion chamber,
• proper cooperation with on-board diagnostic systems.

A properly selected EGR cooler with pipe helps maintain these parameters at a level close to factory specifications, which is particularly important in modern Audi diesel units.

Expansion of the EGR system in Audi – related components

If you are planning a comprehensive repair or upgrade of the exhaust gas recirculation area in your Audi and need other elements from the same group, such as control valves, pipes, or additional system modules, check the available parts in the Audi EGR valves and parts category.

When selecting used components for vehicles of this brand, it is also worth paying attention to the condition of other body and equipment components. More practical tips on the conscious selection of components from dismantling can be found in the article Replacing body parts with used ones – can body parts from dismantling look like new?, which discusses the approach to used parts in the context of quality and cost-effectiveness.