Mercedes-Benz Vaneo W414 Petrol Fuel Tank Filler Neck Pipe Hose A4144700020

Mercedes-Benz Vaneo W414 Petrol Fuel Tank Filler Neck Pipe Hose is an original fuel system component responsible for the safe and leak-proof transport of fuel from the filler to the tank. Thanks to its factory geometry and precise fit for the Vaneo W414 body, it ensures stable installation, proper venting, and convenient refueling without the risk of leaks. This used OEM component is a sensible choice for drivers looking for a proven solution at an attractive price.

Specifications and technical data

• SKU: A4144700020
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4144700020
• Substitutable numbers: A4144700020, A 414 470 00 20, BG
• Fuel type: Petrol
• Offset (ET):
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The described fuel filler neck pipe is designed for Mercedes-Benz Vaneo W414 generation vehicles with petrol engines. The component belongs to the Fuel tanks and filler pipes category and serves as a key connection between the filler cap and the tank, guiding fuel in a controlled manner while limiting evaporation and vapor emissions.

A properly selected fuel filler neck pipe:

• ensures leak-proof tank filling during refueling,
• maintains the correct position of the connectors relative to the body,
• minimizes the risk of corrosion and damage to adjacent components due to proper hose routing,
• supports the correct operation of the entire fuel system in petrol vehicles.

Construction and fit for the Mercedes-Benz Vaneo W414

The filler neck pipe has been designed specifically for the Vaneo W414 body architecture, taking into account the shape of the sills, mounts, and the position of the fuel tank. This means that the factory geometry is preserved, and the mounting points and connection diameters are consistent with the vehicle's original installation.

As a result:

• installation is carried out at existing mounting points without structural modifications,
• compatibility with the stock filler cap and filler housing is maintained,
• the hose does not interfere with suspension components or underbody covers.

Benefits of using an original used filler neck pipe

Choosing an original fuel filler neck pipe for the Vaneo W414 from the secondary market allows you to balance cost control with maintaining the parameters specified by the manufacturer. A used OEM component means:

• factory fitment for the specific model and body version,
• consistency with other fuel system components,
• reduced risk of installation issues typical of aftermarket replacements with universal geometry.

For components such as fuel filler neck pipes, tightness and resistance to fuel and external conditions are particularly important, which is why using an original component is a technically safe and predictable solution in operation.

Fuel system operation and parts selection

When replacing the fuel filler neck pipe, it is worth checking the general condition of the fuel supply system – the tank, flexible hoses, clamps, and venting elements. A properly selected part, consistent with the manufacturer's markings, facilitates diagnostics and eliminates common signs of wear, such as the smell of fuel around the vehicle or refueling problems.

To better understand the relationships between the filler, tank, pump, and injectors, and to learn about good service practices, it is worth checking out our guide: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. The article discusses diagnostics, component selection by OEM numbers, and the principles of proper operation of the entire system.

Using used originals in premium class cars

Mercedes, as a premium segment brand, particularly benefits from the use of original components, even if they come from the secondary market. Used OEM elements often offer better fitment than new aftermarket replacements with universal construction, which is especially important in areas such as the fuel system, where tightness and precision of assembly are paramount. You can read more about the trend of using used parts for high-end cars in our article: Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026.

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 filler hoses, connectors, or mounting elements, check out the available parts in the Mercedes fuel tanks and filler pipes category.