Mercedes W907 W910 Diesel Fuel Line Fuel Feed Return Pipe Hose A9074702802

Mercedes W907 W910 Diesel Fuel Line Fuel Feed Return Pipe Hose is an original fuel system component designed for diesel engines, engineered in accordance with Mercedes manufacturer standards. This component from the Lines, hoses and pipes category ensures stable fuel delivery within the system, which translates into safe and predictable engine operation. Thanks to its factory geometry and fitment, this line provides a practical solution for repairs and maintenance of the fuel system in W907 and W910 series vehicles.

Specifications and technical data

• SKU: A9074702802
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9074702802
• Substitutable numbers: A9074702802, A 907 470 28 02
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The fuel line in the version dedicated to Diesel units is responsible for the controlled transport of diesel fuel between fuel system components. The properly selected diameter, shape, and routing of the line limit the risk of pressure drops, air ingress, and leaks, which directly impacts engine performance, ease of starting, and fuel dosage stability.

In Mercedes W907 and W910 vehicles, a correctly selected fuel line is particularly important during intensive fleet operation, where the fuel system operates under a wide range of loads and temperatures. Using a component with factory-compliant parameters allows for maintaining proper pressure in the fuel circuit and reducing the risk of unplanned vehicle downtime.

Application in Mercedes W907 / W910 vehicles

Mercedes W907 W910 Diesel Fuel Line Fuel Feed Return Pipe Hose has been designed specifically for the fuel system architecture in these vehicle generations. This means it fits factory mounts, brackets, and routing without the need for modifications or adapters. This type of solution facilitates service, shortens installation time, and reduces the risk of errors during replacement.

In practice, the line can be used both for standard replacement of worn parts and for repairs following mechanical damage within the engine bay or chassis. Maintaining the original fuel path geometry helps keep proper clearance from heating and moving parts, which is essential for the durability of the entire system.

Benefits of using an original Mercedes line

Choosing a fuel line from the range of original Mercedes solutions brings a number of practical advantages in daily vehicle operation:

• factory fitment for the fuel system in W907 and W910 models,
• preservation of the fuel routing path designed by the manufacturer,
• reduction of the risk of leaks and pressure problems in the system,
• easier installation thanks to compatibility with original brackets and mounts,
• consistency with other fuel system components in diesel engines.

For fleet users and service workshops, this means installation predictability, repeatable repair results, and the ability to maintain engine performance at a level close to factory specifications. A properly selected fuel line also helps reduce the risk of secondary failures resulting from incorrect system routing.

Product characteristics and condition

The offered item belongs to the Lines, hoses and pipes category, meaning it is part of the vehicle's fluid transport system, in this case, Diesel fuel. The product is in used condition, which means it comes from disassembly and may show signs of previous use while maintaining the functionality required for further operation. This type of solution is often chosen as an economical alternative while maintaining compliance with factory specifications.

Thanks to this, the line will work well both in routine repairs and in restoring the completeness of the fuel system after replacing other components, such as the fuel pump or filter. A used original component allows for maintaining the design intended by the manufacturer, which is important for long-term vehicle operation in demanding conditions.

Related components and additional technical information

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

During service work on the drivetrain, it is also worth paying attention to the condition of other components cooperating with the engine, such as the gearbox or drivetrain elements. For better planning of maintenance and potential gearbox repairs, you can use our practical guide: Gearbox: manual, automatic or DSG – typical faults and a guide to buying a used gearbox, which helps you approach diagnostics and component selection in the drivetrain with confidence.