Mercedes X164 GL420 CDI Diesel OM629 Intake Manifold Air Inlet A6290983207

Mercedes X164 GL420 CDI Diesel OM629 Intake Manifold Air Inlet is a factory-original intake system component designed for Mercedes diesel engines. It is responsible for the precise distribution of air to the cylinders, which directly impacts engine performance, smooth operation, and combustion stability. Choosing an original manifold from this series is a sensible solution for intake system repairs in premium-class vehicles.

Specifications and technical data

• SKU: A6290983207
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6290983207
• Substitutable numbers: A6290983207, A 629 098 32 07
• Fuel type: Diesel
• Part type: Intake Manifold
• Category: Intake Manifolds

Technical characteristics of the intake manifold

The presented item belongs to the Intake manifolds category and is specifically designed for use with diesel engines. The manifold's construction ensures properly shaped airflow, which helps maintain optimal cylinder filling across the full load range. As a result, the engine can operate stably at both low and high RPMs.

Original manufacturing for the Mercedes brand ensures the preservation of factory flow parameters, channel geometry, and mounting points. This is crucial for repairs where compatibility with engine accessories, sensors, and other intake system components is essential.

Application in the OM629 diesel engine

The manifold has been developed for diesel units, where precise control over the volume and direction of air is of particular importance for the combustion process. In a diesel engine, the proper condition of the intake manifold affects, among other things:

• maintaining proper boost and airflow,
• stable operation at idle and under load,
• reducing power drops resulting from leaks or turbulence in the intake,
• cooperation with the engine control system and exhaust gas treatment systems.

In the case of advanced Mercedes units, using the correct intake manifold is important not only for performance but also for the durability of other components, such as the turbocharger or exhaust gas recirculation (EGR) elements.

Benefits of using an original Mercedes manifold

Choosing a used, original intake manifold for a Mercedes allows you to maintain factory fitment without the need for modifying accessories. The main advantages of this solution include:

• Full installation compatibility with factory mounting points and the intake system in Mercedes X164 GL420 CDI models.
• Properly selected channel geometry, supporting correct cylinder filling in the diesel engine.
• The ability to restore proper engine operation after a failure or wear of the previous manifold.
• A reasonable compromise between repair costs and maintaining parameters close to factory specifications.

For GL-class vehicle owners, it is important that intake system components are selected according to the manufacturer's requirements – this affects driving comfort, dynamics, and the predictability of the car's behavior under various load conditions.

Selection and component compatibility

To correctly select an intake manifold for a specific Mercedes vehicle, it is worth verifying the part markings and interchangeable numbers in the vehicle's technical specification. The product has an assigned OEM number and reference numbers, which facilitates clear identification and comparison with the component currently installed in the car. This minimizes the risk of purchasing an incompatible component and allows for more efficient service planning.

In case of doubts regarding compatibility with a specific engine version or body year, it is recommended to compare data with service documentation or consult a mechanic specializing in the Mercedes brand.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other items from the same group, such as additional manifolds, intake elements, or components cooperating with the air supply system, check the available parts in the Mercedes Intake Manifolds category.

Technical support and additional knowledge

When working with the intake and exhaust systems in modern diesel units, it is worth using reliable sources of knowledge. If you are interested in how manifold selection affects exhaust and airflow in cars from brands such as Mercedes, BMW, Audi, VW, or Mini, the following article will be helpful: Performance exhaust systems: used manifolds and sports catalytic converters on the road. It will allow you to better understand the relationships between intake and exhaust elements and consciously plan modifications or repairs.

Summary

Mercedes X164 GL420 CDI Diesel OM629 Intake Manifold Air Inlet is a solution intended for users who want to restore the proper operation of the intake system in their vehicle while maintaining factory airflow parameters. The original design, matched to the Mercedes diesel engine, supports stable engine operation, correct cylinder filling, and predictable car behavior in daily use. It is a practical choice for professional repairs or restoring the factory configuration of the intake system.