Mercedes W205 W213 W447 EGR Valve Diesel Exhaust Cooler OM654 A6541409000

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W205 W213 W447 EGR Valve Diesel Exhaust Cooler is an original exhaust gas recirculation system component designed for Mercedes diesel engines. Thanks to its factory design, it ensures proper exhaust gas routing and temperature stabilization within the EGR circuit, which translates into the smooth operation of the power unit. A used component from this group is a sensible choice for servicing modern diesels, allowing you to maintain the integrity of the entire EGR system without excessive costs.

Specifications and technical data

• SKU: A6541409000-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6541409000
• Substitutable numbers: A6541409000, A 654 140 90 00
• Fuel type: Diesel
• Category: EGR Parts & Valves

Purpose and function in the EGR system

The presented EGR valve with exhaust cooler belongs to the EGR Valves and Parts group and is used in modern Mercedes OM654 family diesel engines. It is responsible for the controlled recirculation of a portion of exhaust gases to the intake manifold and their prior cooling, which reduces nitrogen oxide emissions and stabilizes the combustion process in the cylinders.

Combining the valve with the cooler in one assembly allows for:

• precise dosing of the amount of exhaust gas directed to the intake,
• effective reduction of exhaust gas temperature before re-introduction into the engine,
• maintaining correct power unit operating parameters across a wide range of loads.

Benefits of using an original Mercedes component

The original component from Mercedes ensures the preservation of factory flow and exhaust cooling characteristics, which is important for both performance and engine durability. The design, tailored to the specific architecture of the OM654 unit, minimizes the risk of leaks, ECU errors, or improper operation of the recirculation system.

Key advantages of using an original EGR valve with cooler include:

• seamless cooperation with factory engine control software,
• maintenance of manufacturer-specified exhaust emission parameters,
• reduction of the risk of limp mode associated with EGR errors.

Technical characteristics and fuel type

The component is designed to operate in engines powered by Diesel fuel, where thermal and pressure loads are particularly high. The applied design solutions allow for stable operation under conditions typical for modern diesel units – both in city traffic and during long-distance highway driving.

The component belongs to the EGR Valves and Parts group, meaning it works directly with the intake system, exhaust system, and engine management, influencing dynamics, fuel consumption, and emission levels.

Condition, fitment, and service application

The offered item is in used condition, which allows for an economical repair of the EGR system while maintaining the manufacturer's original specifications. This is a practical solution in situations where the existing valve with cooler has suffered mechanical damage, leaks, or excessive wear.

To ensure fitment for a specific vehicle, it is worth verifying the markings in the specification section, including the OEM part number, any interchangeable numbers, and the product SKU in the store. This helps avoid installation issues and ensures compatibility with the specific engine version and vehicle model year.

Expanding the EGR system in your Mercedes

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

When planning broader modifications or servicing systems in modern vehicles, it is also worth checking out tips regarding used electronic components – you can find practical advice in the article The second life of electronics – when is it worth choosing used controllers and modules?.