Fuel Pipe Mercedes W447 OM654 Diesel Fuel Filter Tank Feed Line Hose A4474702401

Fuel Pipe Mercedes W447 OM654 Diesel Fuel Filter Tank Feed Line Hose is an original fuel system component designed for OM654 diesel engines in Mercedes V-Class W447 models. Thanks to its factory geometry and precise fitment to the injection system, it ensures stable fuel delivery and proper integration with other system components. It is a practical solution for users and workshops looking to maintain consistency with the vehicle's factory specifications.

Specifications and technical data

• SKU: A4474702401
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4474702401
• Substitutable numbers: A4474702401, A 447 470 24 01, BG
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The fuel pipe in a diesel engine is responsible for the precise delivery of diesel fuel to the injection system components. In the OM654 units used in the Mercedes W447, this is particularly important due to high operating pressures and requirements regarding tightness and vibration resistance. A properly selected pipe reduces the risk of leaks, pressure drops, and issues with starting or engine performance.

Construction and fitment for Mercedes W447 OM654 Diesel

The offered fuel pipe has been designed specifically for the diesel fuel supply system in the Mercedes W447 with the OM654 engine. This means:

• factory fitment to mounting points in the engine bay,
• geometry consistent with the routing of the original fuel installation,
• maintenance of required bending radii, which reduces stress and minimizes the risk of cracks,
• compatibility with components from the Fuel Tanks and Filler Pipes category and other sections of the installation.

As a result, the pipe can be used as a direct replacement for the factory component, without the need for modifications or adjustments to the mounts.

Characteristics of the used component

As a used part, the fuel pipe comes from vehicle dismantling and is intended for reinstallation after verification of its condition by the buyer or a workshop. This type of component allows for:

• maintaining consistency with the manufacturer's original specifications,
• reducing repair costs compared to new parts,
• faster restoration of the fuel system's efficiency in the event of a failure or damage to the pipe.

Choosing an original, used fuel pipe is particularly beneficial in situations where part availability and maintaining the factory installation layout are priorities.

Benefits of using an original Diesel fuel pipe

In diesel engines, the quality and fitment of fuel pipes have a direct impact on the reliability of the powertrain. Using a pipe dedicated to the OM654 in the Mercedes W447 allows you to:

• maintain correct fuel flow parameters across the entire load range,
• reduce the risk of leaks and air entering the system,
• ensure proper cooperation with the pump, injectors, and fuel tank,
• limit the number of potential failure points resulting from non-original modifications.

For workshops and users, this means a more predictable repair process and easier diagnostics of potential faults in the future.

Selection, diagnostics, and knowledge about the fuel system

When replacing the fuel pipe in a Mercedes W447 with an OM654 engine, it is worth paying attention to compatibility with the fuel system and the general condition of other components – especially the injectors, pump, and fuel tank. Detailed information on the operating principles and diagnostics of the entire system can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses, among other things, selecting parts by OEM numbers and typical symptoms of wear.

Complementary items from the same group

If you are planning a comprehensive repair or upgrade of the fuel supply area in your Mercedes and need other elements from the same group, such as pipes between the tank and the engine, sections near the fuel filler, or additional installation connectors, check the available parts in the Mercedes Fuel Tanks and Filler Pipes category.

For workshops that want to reduce vehicle downtime in the service center and use readily available original parts from dismantling, the guide on the impact of OEM used parts availability on repair time, which describes practical aspects of working with such components, may also be helpful.