Mercedes ML W164 Diesel OM629 Air Intake Intercooler Pipe Right O/S A6290983407

Mercedes ML W164 Diesel OM629 Right Intercooler Pipe A6290983407 is a component of the boost system designed for diesel engines, responsible for the stable delivery of compressed air to the intercooler on the right side of the vehicle. As part of the Hoses, Tubes, and Pipes group, it ensures a sealed connection within the intake system, which translates to proper engine operation. A used OEM component allows for a technically correct replacement of a worn section of the system without interfering with the engine's construction.

Specifications and technical data

• SKU: A6290983407
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6290983407
• Substitutable numbers: A6290983407, A 629 098 34 07
• Location on the vehicle: Right
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and Function in the Boost System

The described intercooler pipe is dedicated to the Diesel OM629 unit installed in the Mercedes ML W164 model and operates in an area of high pressures and elevated temperatures. Its task is to direct compressed air within the intake system to maintain proper sealing, minimal pressure loss, and stable operating conditions for the turbocharger and intercooler.

Its placement on the right side of the vehicle is important for installation – the pipe is profiled for specific routing within the engine bay, taking into account the path of other components. This ensures the correct distance from heating and moving parts, reducing the risk of chafing, overheating, and leaks.

Benefits of Using an Original Intercooler Pipe

Using an original intercooler pipe in a diesel engine results in:

• proper routing of compressed air in the intake system,
• maintenance of stable boost pressure across the entire RPM range,
• reduction of power losses due to leaks or hose deformation,
• preservation of the original routing geometry of the pipes in the engine bay.

For diesel units like the OM629, the sealing and correct diameter of the intake pipes directly impact the smoothness of operation, fuel consumption, and the load on the turbocharger. Replacing a worn component with a correctly fitting pipe from the same construction group allows for the restoration of correct flow parameters without the need for system modifications.

Installation Characteristics and Fitment

The right-side intercooler pipe is designed for specific mounting points on the body and engine accessories, which simplifies installation and reduces replacement time. Proper profiling and ends adapted for factory connectors allow for secure seating in existing clamps and connectors, without the need for modifications.

A used component from this group retains its factory fitment to the intake system, which is particularly important in vehicles with extensive engine accessories. This allows for the recreation of the original pipe routing, avoiding stresses and improper positioning that could lead to accelerated wear or damage.

Application in Diesel Engines

In diesel engines, especially multi-cylinder designs, the boost system operates under significant load. The intercooler pipe must therefore work with the turbocharger and air cooler in a way that ensures:

• stable airflow under varying engine load,
• resistance to pressure pulsations during rapid acceleration,
• safe dissipation of heat from compressed air after passing through the intercooler.

Selecting the correct pipe from the Hoses, Tubes, and Pipes group is important not only for performance but also for the durability of other boost system components, including seals and flexible connections.

System Expansion – Related Components

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as intake pipes, flexible intercooler hoses, or rigid pipes for charging air, check the available parts in the Mercedes Hoses, Tubes, and Pipes category.

To compare different manufacturers' approaches to designing high-performance powertrain components, including solutions used in sports versions, it is worth reading the material describing BMW M series components, which you can find in the article BMW M Performance: What's the Difference Between BMW M and Standard Components?.