Audi A4 B9 2.0 TDI DETA Diesel EGR Valve Ventil 04L131501S

Audi A4 B9 2.0 TDI DETA Diesel EGR Valve Ventil is a component from the EGR valves and parts group, designed for the exhaust gas recirculation system in a diesel engine. It is responsible for the controlled return of a portion of exhaust gases to the intake manifold, which helps reduce nitrogen oxide emissions and ensures stable engine operation. This solution helps maintain the correct operating parameters of the diesel engine and supports compliance with exhaust emission standards.

Specifications and technical data

• SKU: 04L131501S
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L131501S
• Substitutable numbers: 04L131501S, 04L 131 501 S
• Fuel type: Diesel
• Category: EGR Parts & Valves

Purpose and function in the EGR system

The presented EGR valve is dedicated to a diesel engine where exhaust gas recirculation is crucial for reducing emissions and improving engine performance. A properly functioning valve:

• stabilizes combustion temperature in the cylinders,
• limits the formation of harmful nitrogen oxides,
• supports smooth engine operation across a wide range of loads,
• allows for the maintenance of correct operating parameters for the diesel fuel system.

For Audi users, it is particularly important that the element from the EGR valves and parts group has a direct impact on noticeable dynamics, acceleration smoothness, and idle stability.

Benefits of using an original Audi component

Using a component from the Audi line ensures a proper fit for the intake and exhaust system of a specific engine. The original EGR valve design means:

• preservation of factory exhaust flow parameters,
• proper cooperation with the engine control electronics,
• appropriate valve opening and closing characteristics under various load conditions,
• reduced risk of diagnostic errors related to incorrect recirculation.

Thanks to this, the Audi A4 B9 2.0 TDI DETA Diesel EGR Valve Ventil allows you to restore the correct operation of the EGR system after a failure or wear of the previous component, without the need for engine control unit software intervention.

Characteristics of the used component

The offered EGR valve is a used component, which provides an attractive cost alternative to a new part while maintaining a design consistent with the manufacturer's specifications. Choosing such a solution is particularly beneficial for repairs where the price-to-functionality ratio and the ability to quickly restore the efficiency of the exhaust gas recirculation system are important.

The item from the EGR valves and parts category, sourced from an Audi vehicle dismantling, allows for reduced service costs while maintaining the consistency of components within the entire diesel fuel system.

Selection and integration with the diesel engine system

When selecting an EGR valve for an Audi A4 B9 with a diesel engine, it is essential to match it to the specific engine version and accessory configuration. Using the correct component:

• facilitates mechanical installation at existing mounting points,
• ensures compatibility with exhaust and intake pipes,
• allows for proper cooperation with sensors and the engine controller,
• minimizes the risk of re-disassembly due to structural incompatibility.

For users planning an informed choice between new and used components, an article comparing both options will be useful – you can find a detailed breakdown in the material New or used? A comparison of car parts costs and quality.

Expanding the EGR system in an 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 exhaust gas coolers, recirculation pipes, or additional flow control modules, check out the available parts in the Audi EGR valves and parts category.