Audi SQ5 8R 3.0 TDI CGQB Diesel Engine Recirculation EGR Valve 059131503AK

The Audi SQ5 8R 3.0 TDI CGQB EGR Valve is an original exhaust gas recirculation component designed for diesel engines, specifically engineered for the demanding SQ5 model. Its factory design ensures the proper operation of the 3.0 TDI unit, stable combustion parameters, and compliance with the manufacturer's emission standards.

Specifications and technical data

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

Technical Characteristics of the Audi SQ5 8R 3.0 TDI CGQB EGR Valve

The presented valve belongs to the EGR Valves and Parts group, responsible for the controlled return of a portion of exhaust gases to the intake manifold. In a 3.0 TDI diesel engine, this solution allows for:

• reduction of nitrogen oxide emissions by lowering combustion temperature,
• maintenance of stable engine operation across a wide range of loads,
• compliance with factory engine control unit maps.

The component is designed for systems powered by Diesel fuel, which is crucial for proper cooperation with the control software and other ancillary components.

Purpose and Application in the Exhaust Gas Recirculation System

The EGR Valve in the Audi SQ5 8R 3.0 TDI CGQB operates in close integration with the intake manifold, turbocharger, temperature and pressure sensors, and the engine control unit. Its correct functioning influences:

• uniform dosing of exhaust gases into the intake depending on load and engine speed,
• reduction of the risk of knocking characteristic of powerful diesel engines,
• maintenance of adequate dynamics while meeting emission standards.

A properly selected EGR valve helps to mitigate common operational issues such as excessive smoke, power loss, or unstable idle speed.

Condition, Origin, and Benefits of Using a Used Part

The offered Audi branded component comes from the used parts segment, allowing for factory fitment combined with an attractive price compared to new replacements. For EGR valves, it is particularly important to maintain:

• structural compatibility with the specific engine version,
• proper cooperation with the factory control unit software,
• stable operating parameters across the full range of operating temperatures.

Choosing an original, used component helps to reduce the risk of compatibility issues that can arise with unverified aftermarket parts.

Support for Selecting and Expanding the Audi EGR System

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

When deciding to install a used exhaust gas recirculation system component, it is worth understanding the broader context of using second-hand parts in automotive applications. Practical tips on selection, compatibility, and cost-effectiveness of such solutions can be found in the article Volkswagen – Solidness and Reliability. Why Used VW Parts are a Sensible Choice?, which discusses universal principles also applicable to other VAG group brands, including Audi.