Mercedes Sprinter W901 Diesel Fuel Tank Filler Neck Pipe Hose Part A9014700420

Mercedes Sprinter W901 Diesel Fuel Tank Filler Neck Pipe Hose is a fuel system component designed for diesel-powered vehicles, ensuring safe and stable fuel delivery from the filler neck to the tank. Thanks to a design tailored to the geometry of the Sprinter W901 body, the pipe guarantees proper routing and secure mounting at factory points. It is a practical solution for users who want to restore the proper operation of the refueling system without costly modifications.

Specifications and technical data

• SKU: A9014700420
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9014700420
• Substitutable numbers: A9014700420, A 901 470 04 20
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The described hose belongs to the Fuel tanks and filler pipes group and is responsible for the tight, controlled delivery of diesel fuel to the tank in the Mercedes Sprinter W901. A properly selected filler pipe minimizes the risk of leaks during refueling, limits the possibility of external contaminants entering, and stabilizes fuel flow while filling the tank.

The element is structurally prepared for use with a Diesel fuel system, which is important both in terms of material resistance to diesel fuel and compatibility with the factory venting system and auxiliary line routing.

Benefits of using an original Mercedes component

Choosing a fuel filler hose dedicated to the Sprinter W901 allows for maintaining the factory routing geometry, which facilitates installation and reduces stress in the system. The original Mercedes solution ensures:

• consistency with factory brackets and mounts in the body,
• appropriate diameter and shape of the hose matched to the filler neck and tank,
• maintenance of the manufacturer-designed system flow during refueling.

As a result, the user reduces the risk of refueling problems, such as fuel backflow, excessive foaming, or premature nozzle shut-off.

Component condition and service application

The fuel tank filler hose is offered as a used part, which is a cost-effective solution while maintaining compliance with factory specifications. This type of component is particularly useful in situations where mechanical damage has occurred (e.g., corrosion, cracking, deformation after a collision) or previous, improper modifications to the refueling system have been made.

Using an original filler pipe in good technical condition allows for restoring the proper tightness and functionality of the fuel system, which is important both for operational safety and for subsequent diagnostics of potential diesel engine fuel supply issues.

The importance of a proper fuel filler in diesel vehicles

In diesel-powered vehicles, a stable, leak-proof fuel filler system is important not only for refueling comfort but also for protecting the entire fuel supply system. Limiting the ingress of moisture and solid contaminants into the tank reduces the load on the fuel filter, pump, and injectors, which translates into longer, more predictable engine operation.

For users who want to better understand the relationships between the tank, filler hoses, and other fuel system components, the article describing the principles of operation and maintenance of the fuel system will be useful – details can be found in the material Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Service expansion within the Mercedes refueling system

If you are planning a comprehensive repair or upgrade of the refueling area in your Mercedes and need other elements from the same group, such as filler hoses, connectors, or connection elements at the tank, check the available parts in the Mercedes fuel tanks and filler pipes category.

Summary

Mercedes Sprinter W901 Diesel Fuel Tank Filler Neck Pipe Hose is a practical service solution for diesel vehicle users who want to restore the proper operation of the refueling system while maintaining factory fitment. A properly selected, original element from the Fuel tanks and filler pipes group supports safe vehicle operation, reduces the risk of leaks, and facilitates subsequent maintenance of the entire fuel system.