Mercedes W204 W212 Fuel Line Hose Injection System Pipe OM642 Diesel A6420707632

Mercedes W204 W212 Fuel Line OM642 Diesel A6420707632 is an original fuel system component designed for OM642 diesel engines, used in popular C-Class and E-Class models. This line, belonging to the Lines, Hoses, and Tubes group, ensures stable fuel delivery within the common rail system, contributing to the proper operation of the powertrain. Choosing an original Mercedes component is an investment in predictable performance parameters and trouble-free operation.

Specifications and technical data

• SKU: A6420707632-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420707632
• Substitutable numbers: A6420707632, A 642 070 76 32
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Intended Use and Function in the Fuel System

The fuel line is dedicated to the OM642 diesel engine installed in W204 and W212 body styles. It is responsible for precise fuel delivery within the injection system, maintaining appropriate sealing and resistance to operating pressure. A correctly selected line minimizes the risk of pressure drops, leaks, and issues with engine starting and running smoothness.

The component has been designed according to Mercedes manufacturer standards, which means maintaining the correct geometry, connection diameters, and compatibility with other fuel system components. This ensures a predictable installation process without the need for modifications or adjustments for aftermarket parts.

Benefits of Using an Original Fuel Line

Using an original fuel line in a diesel engine offers a number of practical operational benefits:

• maintaining stable fuel flow across the entire engine load range,
• proper fit for factory connectors and mounting points,
• reducing the risk of leaks and air ingress into the system,
• consistency with the factory configuration of the OM642 unit.

For users expecting predictable fuel system performance, choosing an original Mercedes fuel line is a technically safe solution that aligns with the vehicle manufacturer's design intentions.

Product Characteristics and Condition

The offered fuel line is from the Mercedes component group and is a used part, allowing for economical repairs while maintaining original specifications. This type of part is suitable for both replacing a damaged section of the fuel system and for comprehensive service work related to the OM642 unit. The line's construction is adapted for use with Diesel fuel, taking into account the typical thermal and pressure loads for this engine.

Selecting the correct line based on the manufacturer's part numbers facilitates identification and minimizes the risk of installing an incorrect component. This allows for effective restoration of correct fuel system operating parameters without affecting other components.

Mercedes Lines, Hoses, and Tubes – System Expansion and Service

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other parts from the same group, such as additional lines, flexible hoses, or rigid supply tubes, check the available parts in the Mercedes Lines, Hoses, and Tubes category.

Technical Support and Service Cost Optimization

When planning fuel system repairs, it is advisable to analyze both the selection of appropriate components and the total service cost. Combining used original parts with new wear parts can often significantly reduce expenses while maintaining correct vehicle operating parameters. More practical tips on optimizing repair costs can be found in the article Repairing a Volkswagen for Pennies? Discover How to Save on Original Car Parts, the principles of which can also be applied to servicing other brands.