Mercedes W204 W207 Fuel Tank Bare Diesel 66L C-Class A2044703801

Mercedes W204 W207 Fuel Tank Bare Diesel 66L C-Class is an original fuel system component designed for C-Class models, specifically engineered for diesel engines. Thanks to its factory design, it ensures proper fuel storage, stable fuel supply to the power unit, and full compatibility with factory equipment. This is the ideal solution for users looking for a proven fuel tank tailored to the specific construction of a Mercedes.

Specifications and technical data

• SKU: A2044703802-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044703802
• Substitutable numbers: A2044703802, A 204 470 38 02, A2044703801, A 204 470 38 01, BG
• Weight: 150
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The presented fuel tank is part of the Fuel Tanks and Filler Pipes category, responsible for the safe storage of diesel fuel and integration with the filler, ventilation, and engine supply systems. The design, adapted for diesel units, ensures proper fuel flow, stable pump operation, and correct functioning of the injection system under typical operating conditions.

The geometry of the tank is matched to the Mercedes C-Class chassis, which facilitates installation at factory mounting points and allows for maintaining proper ground clearance and routing of fuel lines. The nominal capacity of 66 liters promotes a comfortable range on a single tank, which is important both in city driving and on longer routes.

Construction and performance parameters

The tank has been designed to operate in a diesel fuel supply system, taking into account the typical thermal and mechanical loads occurring in the vehicle's chassis. The construction allows for integration with factory elements such as:

• fuel pump and level sensor module,
• supply and return lines,
• ventilation and vapor recovery system,
• fuel filler pipe and chassis cover mounts.

The properly selected weight of the tank promotes installation stability and resistance to vibrations, which limits the risk of leaks and unwanted deformations during operation. As a result, the component can work in typical road conditions while maintaining fuel system tightness and proper cooperation with other components.

Condition, fitment, and service application

The offered tank is a used part, making it an attractive solution for accident repairs, mechanical chassis damage, or replacing a component due to corrosion or leaks. Choosing an original component from dismantling allows you to maintain factory mounting points, line routing, and compatibility with fuel system equipment without the need for structural modifications.

The element will work particularly well in situations where it is required to restore full functionality of the fuel supply system in Mercedes C-Class cars with a diesel engine, while maintaining a favorable cost-to-quality ratio. It is a practical solution for workshops and individual users performing repairs based on original parts.

Benefits of using an original fuel tank

Using a factory fuel tank in a Mercedes brings a number of measurable service and operational benefits:

• Factory fitment – compatibility with the chassis design and the fuel line and filler system.
• Stable fuel system operation – proper fuel delivery to the pump and injectors under typical driving conditions.
• Possibility to use existing equipment – compatibility with factory mounts and fuel system components.
• Reasonable repair cost – especially when replacing after mechanical damage or corrosion.

For users who want to better understand the role of the tank in the entire fuel system, diagnostics, and part selection by identification numbers, the following article will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Selection support and additional information

When selecting a fuel tank for a specific Mercedes body and engine version, it is crucial to verify compatibility by part numbers and fuel type. In case of doubt, it is worth consulting a mechanic or the store's technical department to confirm full compatibility with a given vehicle unit.

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 additional tanks, filler pipes, or mounting elements, check the available parts in the Mercedes Fuel Tanks and Filler Pipes category.

If you are also interested in the ecological aspect and want to better utilize the potential of recycled parts in your car, it is worth reading the guide: Eco-tuning in practice: how to increase performance while reducing your carbon footprint with recycled parts.