Mercedes Sprinter W906 Fuel Tank OM642 OM646 Diesel Complete Tank Reservoir 75L

Mercedes Sprinter W906 Fuel Tank OM642 OM646 Diesel Complete Tank Reservoir 75L is an original fuel tank from the Fuel tanks and filler pipes group, designed for vehicles with diesel engines. The component has been engineered to ensure stable fuel supply to diesel power units, providing adequate operating capacity and safe fuel storage during daily operation.

Specifications and technical data

• SKU: A9064712801-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9064712801
• Substitutable numbers: A9064712801, A 906 471 28 01, A9064703094, A 906 470 30 94, BG
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and compatibility

The presented fuel tank is dedicated to Mercedes Sprinter W906 generation models equipped with OM642 and OM646 diesel engines. The tank's construction was developed with the requirements of the diesel powertrain in mind, which promotes stable engine operation, proper fuel injection system supply, and the maintenance of an appropriate fuel level under various load conditions.

Thanks to its factory origin, the tank retains the correct mounting geometry, fuel line connection points, and venting system, which facilitates installation in place of a worn or damaged component. This solution is particularly beneficial for repairs of vehicles used intensively in transport, where repeatability and operational predictability are essential.

Construction and function in the fuel system

The tank plays a key role in the diesel supply system, being responsible for safe fuel storage, initial hydraulic stabilization, and cooperation with fuel system accessories. The tank's design is adapted to the operating characteristics of diesel engines, where maintaining a stable fuel flow to the pump and injectors is crucial, even during dynamic driving or heavy vehicle loads.

The appropriately selected operating capacity helps reduce refueling frequency, which is significant in fleet and transport applications. At the same time, the tank's geometry has been designed to optimize vehicle weight distribution and interaction with the suspension system, which translates into predictable vehicle behavior under load.

Condition, origin, and benefits of use

The component comes from disassembly and is offered as a used Mercedes fuel tank, which provides an attractive cost alternative to new components while maintaining factory geometry and purpose. Choosing an original tank from the same model platform reduces the risk of installation problems, leaks, or improper fuel line fitment.

Using an original tank in a diesel system allows for maintaining compliance with the manufacturer's factory specifications regarding fuel flow, venting, and cooperation with accessories. This is particularly important in commercial vehicles, where engine stability and operational predictability translate directly into vehicle availability for work.

Installation and operational tips

When replacing the fuel tank in a Mercedes Sprinter W906, it is recommended to perform a full inspection of the supply system, including fuel lines, mounts, clamps, and venting elements. It is also worth paying attention to the condition of the fuel filter and the tightness of connections after installation to avoid air entering the system or leaks.

For proper part selection, it is helpful to use the manufacturer's markings and technical parameters assigned to a specific vehicle configuration. In case of doubts regarding compatibility with a given Sprinter unit, verifying by factory numbers or vehicle data is a good solution.

Technical support and additional materials

To better understand the role of the fuel tank in the entire diesel supply system and to properly plan diagnostics and service, it is worth referring to specialized resources. A practical discussion on the construction and operation of the system, along with tips on selecting components by factory markings, can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

If you are planning a comprehensive repair or modernization of the fuel supply area in your Mercedes and need other components from the same group, such as additional tanks, filler pipes, or return lines, check the available parts in the Mercedes fuel tanks and filler pipes category.