Mercedes W205 W213 W907 Exhaust Gas Recirculation Line Hose OM654 A6541410004

Mercedes W205 W213 W907 EGR Cooler Pipe OM654 is a component from the EGR Valves and Parts group, designed for the exhaust gas recirculation system in modern Mercedes diesel engines. It is responsible for the controlled flow of exhaust gases between the EGR cooler and other components, supporting stable engine operation and reducing emissions. This solution allows for the preservation of the factory performance characteristics of the OM654 engine in popular W205, W213, and W907 models.

Specifications and technical data

• SKU: A6541410004
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6541410004
• Substitutable numbers: A6541410004, A 654 141 00 04
• Part type: EGR Tube
• Category: EGR Parts & Valves

Function of the EGR Pipe in the OM654 Engine

The EGR cooler pipe in the OM654 engine is responsible for precisely directing exhaust gases from the exhaust system to the intake system after they have been cooled. A correctly selected component ensures:

• stable exhaust gas flow across the entire engine load range,
• maintenance of the correct gas temperature in the intake system,
• support for nitrogen oxide emission reduction systems,
• proper cooperation with the EGR valve and exhaust gas cooler.

By maintaining the correct direction and seal of the flow, the exhaust gas recirculation system operates within the parameters specified by the manufacturer, which translates to stable engine running smoothness and a reduced risk of overheating auxiliary components.

Compatibility with Mercedes W205, W213, W907 Models

The offered pipe is designed for use in OM654 units installed in the W205, W213, and W907 series. This means it is adapted to the engine bay architecture of these generations, with proper routing of the pipe relative to the exhaust gas cooler and other auxiliary components. Using a component from the same construction group allows for the preservation of:

• factory mounting points and pipe routing,
• correct distances from temperature-sensitive components,
• proper cooperation with original clamps and seals.

This ensures a tidy installation without the need for modifications to the exhaust or intake system, and the exhaust gas flow geometry remains consistent with the manufacturer's design.

Characteristics of a Component from the EGR Valves and Parts Category

The EGR cooler pipe belongs to the group of components responsible for exhaust gas recirculation, which operate at elevated temperatures and under variable pressure loads. In practice, this means the need to maintain appropriate rigidity, temperature resistance, and connection tightness. Replacing a worn or leaky pipe with the correct component from this group allows for:

• reducing the risk of exhaust leaks in the engine bay,
• preventing control unit errors related to incorrect amounts of recirculated gases,
• maintaining correct pressure and temperature values in the intake system,
• preserving the efficiency of the exhaust gas treatment system in the long term.

Selecting a component from the EGR Valves and Parts category that is compatible with the OM654 engine design is particularly important in vehicles used intensively, where the exhaust gas recirculation system operates under a wide range of loads.

Condition, Origin, and Service Application

The offered EGR cooler pipe is a used component, making it an attractive solution for service repairs where preserving the factory design while optimizing costs is a priority. Replacing the pipe is recommended in situations where:

• there are noticeable exhaust leaks around the EGR cooler,
• there are visible signs of soot or discoloration on the existing pipe,
• there are diagnostic errors related to exhaust gas flow in the EGR system,
• a comprehensive service of the exhaust gas recirculation system is required after a cooler failure.

Using an original component from the same construction group helps maintain the cohesion of the EGR system and reduces the risk of fitting problems during installation.

Expansion of the EGR System in Mercedes

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 pipes, valves, or exhaust gas coolers, check the available parts in the Mercedes EGR Valves and Parts category.

For owners of C-Class and E-Class models who want to better understand the specifics of engine auxiliaries and the importance of a properly functioning EGR system for engine longevity, an article on our blog may be helpful: Reliability under the Star – How to Care for Engine Auxiliaries in Popular Mercedes-Benz C-Class and E-Class Models?.

If you are interested in the topic of using dismantled parts in modification projects and want to learn about the approach to tuning using OEM components, also check out the guide: Emotion and Design – Visual and Mechanical Tuning of a Seat Using Dismantled Components, which shows how to consciously select used components in various projects.