Mercedes ML W166 W212 C207 W213 Fuel Connecting Hose Pipe Line A6420785281

Mercedes ML W166 W212 C207 W213 Fuel Connecting Hose Pipe Line is an original component from the Lines, hoses and pipes group, designed for the fuel supply system in selected Mercedes models. This used OEM part ensures factory geometry, solid connections, and proper fuel routing, which promotes stable engine operation. It is a solution for users who expect a technically matched component while maintaining reasonable service costs.

Specifications and technical data

• SKU: A6420785281
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420785281
• Substitutable numbers: A6420785281, A 642 078 52 81
• Category: Hoses, Lines & Pipes

Purpose and function of the fuel line

The fuel line in Mercedes ML W166, W212, C207, and W213 models is responsible for the safe and leak-proof delivery of fuel between the components of the supply system. A properly selected line section:

• maintains the correct operating pressure in the fuel system,
• minimizes the risk of leaks at the connections,
• ensures stable fuel flow to the engine,
• reduces vibrations and stress thanks to its matched length and shape.

By maintaining the factory design, the line works with the original brackets and mounts in the engine bay, which facilitates installation and subsequent maintenance.

Benefits of using an original Mercedes line

Using a fuel line sourced from Mercedes allows you to maintain the integrity of the entire supply system. Factory fitment for specific body and engine versions limits the risk of stress on the connectors and reduces the possibility of micro-leaks. This is particularly important in modern units where the fuel system operates under high load.

A used part from this group is a good choice in situations where the existing line has suffered mechanical damage, connector corrosion, or operational wear. Restoring the original line routing helps maintain proper organization of the engine bay and facilitates access to other components during future repairs.

Technical and installation aspects

The fuel line from this series has been designed to operate in the demanding temperature and pressure conditions typical of modern Mercedes engines. The construction of the line and the connectors used are adapted to the factory sockets in the supply system, which facilitates installation without the need for modifications.

• compatibility with factory quick-connectors and fittings,
• properly selected line rigidity,
• possibility of mounting in original brackets and guides,
• preservation of the fuel routing path designed by the manufacturer.

When replacing, it is recommended to thoroughly clean the connection sockets and inspect the remaining fuel system components to avoid repeated interventions in a short time. A correctly installed line reduces the risk of air entering the system and fuel leaks.

Part condition and cost-effectiveness

The offered fuel line is a used component, which allows for lower repair costs while maintaining the original manufacturer's specifications. In many cases, this is an economically advantageous solution, especially during comprehensive service work within the supply system. Users who compare different types of parts can additionally check the Global Parts guide: Original, replacement, or used – which car parts are the most cost-effective?.

Expanding repairs within the fuel system

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

By using components from the same design group, it is easier to maintain the technical consistency of the entire system, as well as to optimize the time and scope of workshop work. This approach is particularly useful during major interventions in the engine bay, when access to fuel lines, hoses, and pipes is already provided.