Mercedes W177 Diesel Fuel Hose Filler Neck Lower Tank Fuel Hose A2474700075

Lower fuel filler neck hose for diesel Mercedes W177 is an original part of the fuel system, designed for the section between the filler neck and the fuel tank. Thanks to its factory geometry and fit to the body structure, it ensures stable fuel delivery and safe system operation in daily use. This is a practical solution for users who want to restore the proper seal and functionality of the refueling system in their Mercedes.

Specifications and technical data

• SKU: A2474700075
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2474700075
• Substitutable numbers: A2474700075, A 247 470 00 75
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The offered part belongs to the group of Fuel filler necks and pipes and is responsible for the lower section of the fuel hose between the filler neck and the tank in the Mercedes compact class W177 model with a diesel engine. The hose's design is adapted for use with Diesel fuel, which is important for the material's resistance to prolonged contact with diesel oil and refining additives.

A correctly selected lower fuel filler neck hose reduces the risk of leaks during refueling, minimizes the possibility of drawing in external contaminants, and supports stable system venting. In case of mechanical damage, cracks, or deformation of the original part, replacing it with an original hose is crucial for maintaining the proper operation of the entire fuel system.

Benefits of using an original hose

Using an original fuel filler neck hose in the Mercedes W177 offers a number of practical operational benefits:

• factory fit to the body and fuel tank – no need for modifications or shape adjustments,
• maintaining the fuel flow path designed by the manufacturer, which promotes stable refueling,
• material adapted for operation with diesel oil, reducing the risk of swelling and degradation,
• ability to restore system seal after a collision, corrosion of adjacent components, or previous incorrect repairs.

For users who want to maintain the consistency of the fuel system with the manufacturer's original specifications, choosing an original hose is a safe and technically justified solution.

Assembly and operational characteristics

The lower fuel filler neck hose for the Mercedes W177 is a component prepared for installation in factory mounting points, which facilitates service work and reduces replacement time. Thanks to the preservation of the original geometry, it is possible to correctly route the hose in the space between the body and the tank, taking into account the required bending radii and distances from other components.

In diesel fuel systems, maintaining tightness and resistance to temperature changes is particularly important. A correctly selected fuel filler neck hose helps to reduce the risk of moisture and contaminants entering the filler area, which indirectly affects the durability of components such as the fuel pump or injectors.

Integration with the fuel system and selection based on technical data

The hose is part of the fuel system, which in vehicles with diesel engines operates under specific loads and requires maintaining appropriate flow parameters. It is advisable to base the selection of the correct part on the vehicle's identification data and catalog numbers to ensure full compatibility with the specific body version and fuel tank configuration.

If you want to better understand how the lower fuel filler neck hose interacts with other fuel system components, it is worth consulting a guide describing the diagnostics, selection, and operation of components such as injectors, pumps, or the fuel tank – this is discussed in detail in the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair.

Condition of the part and informed choice of used parts

The offered fuel filler neck hose is from the used parts group, which allows for economical repair while maintaining the original construction. For many users, this is a reasonable compromise between cost and maintaining the original fuel system design.

If you want to expand your knowledge on the advantages and limitations of using used parts in professional repairs, the guide Used Car Parts: Myths and Facts You Need to Know may be helpful, which clarifies the most common doubts related to such components.

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other parts from the same group, such as filler neck hoses, connecting sections, or tank components, check the available parts in the category Mercedes Fuel Filler Necks and Pipes.