Audi A6 C7 A7 4G A8 D4 Exhaust Gas Line Manifold Outlet Left N/S 06E253033AA

Audi A6 C7 A7 4G A8 D4 Left Exhaust Manifold is an original part from the Exhaust Manifolds group, designed for installation on the left side of the engine unit in selected Audi premium segment models. This used OEM component ensures a factory fit to the exhaust system, stable mounting, and proper exhaust gas discharge from the engine cylinders.

Specifications and technical data

• SKU: 06E253031AC
• Mark: Audi
• Condition: Used
• OEM Part Number: 06E253031AC
• Substitutable numbers: 06E253031AC, 06E 253 031 AC, 06E253033AA, 06E 253 033 AA
• Location on the vehicle: Left
• Part type: Exhaust Manifold
• Category: Manifolds & Headers

Purpose and Function of the Exhaust Manifold

The presented exhaust manifold is specifically designed for Audi A6 C7, A7 4G, and A8 D4 models, where it is responsible for collecting exhaust gases from individual cylinders and their uniform discharge to the further part of the exhaust system. The precise geometry of the channels and the proper shaping of the connection ports limit flow losses, which contributes to stable engine operation and maintenance of appropriate performance parameters.

Thanks to its factory design, the manifold works with original seals, mountings, and accessories, which facilitates installation and minimizes the risk of leaks in the critical area of the cylinder head to exhaust system connection.

Construction, Fitment, and Vehicle Placement

This is a component intended for installation on the left side of the engine unit, which is crucial when selecting parts for engines with complex architectures. The appropriate profiling of the manifold body ensures that required clearances from adjacent components, such as heat shields, electrical harnesses, or drivetrain suspension elements, are maintained.

Original origin from the Audi brand means that factory mounting points, correct bolt spacing, and compatibility with standard exhaust system components are preserved. Therefore, the manifold can be used as a direct replacement for a damaged part, without the need for modifications or adaptations.

Benefits of Using an Original Exhaust Manifold

Using an original exhaust manifold in Audi A6 C7, A7 4G, or A8 D4 allows for maintaining the integrity of the entire exhaust system according to the manufacturer's design. The most important advantages of such a solution include:

• factory fit to the engine cylinder head and further exhaust system components,
• maintenance of proper exhaust gas flow and stable engine unit performance parameters,
• compatibility with original heat shields and accessories,
• reduction of leak risk at the junction with the cylinder head and further sections of the system.

A used OEM part additionally allows for optimizing repair costs while maintaining the design intended by the vehicle manufacturer, which is particularly important in higher-class cars.

Selection, Interchangeable Numbers, and Vehicle Compatibility

The presented exhaust manifold belongs to the group of Audi OEM parts for which dedicated catalog numbers and interchangeable numbers are available. This facilitates verification of compatibility with a specific engine version and model year of the vehicle. When selecting, it is worth paying attention to:

• vehicle model (A6 C7, A7 4G, A8 D4),
• vehicle placement (left side),
• compatibility with reference numbers used by the manufacturer.

This approach minimizes the risk of purchasing a non-fitting part and speeds up the service process, especially in the case of complex exhaust systems in engines with a larger number of cylinders.

Condition, Service Application, and Installation Recommendations

This is a used part, intended for service applications as a replacement for a damaged or excessively corroded exhaust manifold. Before installation, the standard workshop procedure is recommended: checking the mating surfaces, using new gaskets, and tightening the bolts according to the vehicle manufacturer's recommendations.

Replacement of the exhaust manifold in Audi A6 C7, A7 4G, or A8 D4 is particularly recommended in case of leaks, body cracks, audible exhaust blow-by near the cylinder head, or problems with proper exhaust gas discharge. Using an original part allows for restoring the correct operation of the system without altering its design.

If you are planning a comprehensive repair or upgrade of the engine and exhaust system area in your Audi and need other parts from the same group, such as manifolds, connecting pipes, or adapter elements, check the available parts in the Audi Exhaust Manifolds category.

To better understand the impact of the manifold on performance, acoustics, and exhaust gas flow characteristics in cars of various brands, it is worth reading the guide on our blog: Performance Exhaust Systems: Used Sport Manifolds and Catalytic Converters on the Road.

If you want to learn more about the advantages of using original, used OEM components in terms of safety and repair cost-effectiveness, check out the article OEM Quality and Safety Guarantee – Why Used Original Car Parts Are the Best Choice for Your Car?.