Mercedes W910 Fuel Filler Head Housing Primer A6540904800

Mercedes W910 Fuel Filler Head Housing Primer is an original fuel system component designed for installation in Mercedes W910 series commercial vehicles. Thanks to its factory geometry and primer-coated surface, it ensures precise fitment to the bodywork and stable seating of the fuel filler neck. This is a solution for users who expect secure fuel filler mounting and proper integration with the fuel system.

Specifications and technical data

• SKU: A6540904800
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6540904800
• Substitutable numbers: A6540904800, A 654 090 48 00
• Category: Fuel Filters

Purpose and function in the fuel system

The fuel filler housing in primer serves a key role as an intermediate element between the bodywork and the pipe leading to the tank. It is responsible for the stable mounting of the filler head, correct guidance of the refueling neck, and maintaining the proper position of the cap relative to the vehicle's body. In Mercedes W910 series commercial vehicles, this is significant for both refueling convenience and protecting the fuel system from mechanical damage.

This component works with parts from the Fuel filters group and other fuel system components, creating a coherent, sealed fuel flow path from the filler to the engine unit. A correctly selected and installed housing minimizes the risk of stress on the lines, leaks, and misalignment of the filler neck.

Construction, surface preparation, and installation

The fuel filler housing in the primer version is prepared for further painting, which allows the color to be matched to the specific vehicle body. The primer provides proper adhesion for topcoat layers and serves as initial anti-corrosion protection in an area exposed to fuel, moisture, and road debris.

The design solution intended for the W910 series allows for installation at factory mounting points without the need for body modifications. As a result, the housing maintains the correct geometry relative to the bodywork, filler flap, and fuel lines, which translates into:

• stable seating of the filler head,
• correct guidance of the refueling neck,
• easy access during vehicle refueling,
• reduction of stress in the connection area with fuel lines.

Component condition and service application

The presented fuel filler housing is offered as a used part, making it an attractive service solution for vehicles in intensive operation, where functionality and dimensional compliance with the factory design are essential. The used component allows for an economical repair of the fuel filler area while maintaining the original design specified by the manufacturer.

This element will prove particularly useful in situations where mechanical damage has occurred in the filler area (e.g., after a collision, local corrosion, or improper load on the lines) and it is necessary to replace the entire housing, rather than just the flap or cap. Using an original housing facilitates maintaining the integrity of the fuel system and proper cooperation with components from the Fuel filters group.

Benefits of using an original fuel filler housing

Choosing an original fuel filler housing for the Mercedes W910 brings a number of practical benefits in daily vehicle operation:

• Factory fitment – maintaining geometry and mounting points consistent with the manufacturer's design.
• Primer preparation – the ability to precisely match the color to the bodywork after painting.
• Fuel system consistency – proper cooperation with lines, the tank, and elements from the Fuel filters group.
• Service solution – an economical alternative to new parts while maintaining the original design.

Thanks to these features, the fuel filler housing is a functional element that restores proper operation of the refueling area and supports the trouble-free performance of the fuel system in Mercedes W910 vehicles.

Selection, compatibility, and technical support

To correctly select a fuel filler housing for a specific vehicle configuration, it is worth using the manufacturer's markings and vehicle data. The product has assigned OEM part numbers and interchangeable numbers, which facilitates verifying compatibility with a given version of the Mercedes W910 and minimizes the risk of selecting an unsuitable element.

If you want to better understand the relationships between individual fuel system components, their selection, and regeneration methods, the guide article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration will be helpful, as it discusses diagnostics, selection by part numbers, and operating principles.

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 filter inserts, filter housings, or additional fuel path components, check the available parts in the Mercedes Fuel filters category.