Mercedes ML W164 Diesel OM629 Air Intake Intercooler Pipe Left N/S A6290983507

Mercedes ML W164 Diesel OM629 Air Intake Intercooler Pipe Left N/S is a factory-original intake system component designed for OM629 diesel engines. It is responsible for the stable routing of compressed air from the intercooler on the left side of the engine bay, which directly impacts the engine's performance and operating characteristics. By maintaining the original geometry, the pipe ensures a precise fit with the remaining system components.

Specifications and technical data

• SKU: A6290983507
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6290983507
• Substitutable numbers: A6290983507, A 629 098 35 07
• Location on the vehicle: Left
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The described air pipe is a component of the forced induction system in the Mercedes ML W164 with the OM629 diesel engine, operating in a configuration with an intercooler. Its task is to provide a tight and stable path for compressed air on the left side, between the intercooler and the other sections of the piping, which reduces pressure drops and helps maintain correct boost characteristics.

A properly selected pipe in this area helps minimize the risk of leaks, power loss, increased fuel consumption, and errors related to turbocharger operation. Using an original element from the Hoses, pipes and lines group facilitates the maintenance of factory flow parameters.

Construction and vehicle fitment

The pipe has been specifically designed for installation on the left side of the engine bay, taking into account limited space and the routing of other installations. The shape and connection diameters are adapted to the factory intercooler ports and adjacent hoses, which facilitates installation and subsequent maintenance.

As an original Mercedes component, the part ensures compatibility with factory clamps, brackets, and mounts, without the need for modifications or the use of additional adapters. This is particularly important in diesel engines, where the forced induction system operates under higher pressure loads.

Operational characteristics

The left-side intercooler air pipe in the ML W164 with the OM629 unit is exposed to variable temperatures, vibrations, and pressure pulsations. Using an original component allows for maintaining the appropriate rigidity and flexibility in critical areas, which reduces the risk of cracks and leaks during long-term operation.

The used product is a good solution in situations where the existing hose has suffered mechanical damage, deformation, or leaks have appeared at the connections. Replacing it with an original pipe allows for restoring the correct routing of lines in the engine bay and stable operation of the forced induction system without the need to invest in expensive tuning kits.

Benefits of using the original air pipe

Choosing this intercooler air pipe for the ML W164 with the OM629 diesel engine offers a number of practical benefits:

• preservation of factory hose routing and compatibility with other intake system components,
• reduction of the risk of leaks and boost pressure drops,
• stable turbocharger operation and correct torque values,
• easier diagnostics and service thanks to the use of a component compliant with factory documentation.

For diesel engines, maintaining airtightness and proper airflow is particularly important, which is why using an original intercooler air pipe is a technically sound and economically advantageous solution in the long run.

Intake system expansion and additional materials

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as intake hoses, vacuum hoses, or charge air cooler pipes, check the available parts in the Mercedes Hoses, pipes and lines category.

When planning larger powertrain repairs, it is also worth paying attention to other key sub-assemblies. Additional information on the cost-effectiveness of using used components in critical vehicle systems can be found in the article Used transmission – when is it worth it and what you need to remember, which discusses the practical aspects of selecting parts from the secondary market.