EGR Pipe Mercedes W169 W245 OM640 Valve Line Diesel Engine A6401410304

The Mercedes W169 OM640 EGR Pipe Hose is a specialized component of the exhaust gas recirculation system, designed for diesel engines of this series. As part of the EGR Valves and Parts group, it is responsible for the stable routing of exhaust gases between sub-assemblies, which contributes to the proper functioning of the powertrain and emission reduction. A used component allows for a technically correct repair at an attractive price, while maintaining the factory flow characteristics.

Specifications and technical data

• SKU: A6401410304
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6401410304
• Substitutable numbers: A6401410304, A 640 141 03 04, BG
• Fuel type: Diesel
• Category: EGR Parts & Valves

Purpose and Function in the EGR System

The EGR pipe hose in Mercedes W169 models with the OM640 engine running on Diesel fuel is responsible for the controlled transport of exhaust gases back to the intake system. A correctly selected element in this section is important for:

• maintaining stable engine operating parameters across various load ranges,
• reducing nitrogen oxide emissions through exhaust gas recirculation,
• cooperation with the EGR valve and engine control,
• maintaining compliance with the factory flow characteristics in the OM640 unit.

By preserving the original geometry of the hose, the exhaust gas recirculation system can operate predictably for the engine control unit, promoting smooth powertrain operation.

Benefits of Using an Original EGR Pipe Hose

Using an original EGR pipe hose in a Mercedes diesel system offers a range of practical service and operational benefits. The most important include:

• Factory Fitment – maintaining the correct shape and cross-sectional diameter, which facilitates installation in the confined space of the engine bay.
• Compatibility with other EGR system components – the hose works with the valve and manifolds according to the manufacturer's specifications.
• Stable flow parameters – reducing the risk of incorrect sensor readings and errors related to exhaust gas recirculation.
• Economical repair option – a used part allows for restoring system functionality without the need for costly replacement of the entire EGR assembly.

By choosing this EGR pipe hose, you receive a component designed specifically for the OM640 engine architecture, promoting predictable powertrain behavior after repair.

Installation Characteristics and Service Application

The EGR pipe hose in this version is designed to operate in a demanding environment of high temperatures and variable exhaust gas pressure. In practical service, it is primarily used in situations where:

• the original hose has cracked, corroded, or become leaky,
• there are problems with proper exhaust gas recirculation and the EGR path components need replacement,
• a comprehensive service of the EGR system in a Mercedes W169 diesel engine is being performed.

A used component allows for restoring tightness and proper exhaust gas routing, which is crucial for both the powertrain's operation and meeting emission standards for diesel engines.

Condition, Origin, and Ecological Aspect

The offered EGR pipe hose is a dismantled part and is classified as a used part, allowing for a combination of reasonable repair costs with the preservation of original manufacturer specifications. Choosing this solution also aligns with the idea of responsible vehicle operation – the reuse of functional components reduces waste and raw material consumption.

If you want to learn more about the advantages of reusing automotive components and the impact of such decisions on the environment and budget, it is worth reading the article Eco-Driving: Discover the Benefits of Used Car Parts, which discusses the practical aspects of using used parts in everyday car operation.

Expanding the EGR System in a Mercedes

If you are planning a comprehensive repair or upgrade of the exhaust gas recirculation system area in your Mercedes and need other parts from the same group, such as hoses, valves, or additional exhaust path components, check the available parts in the Mercedes EGR Valves and Parts category.