Ford Transit Custom Mk8 AdBlue Additive Reservoir Tank Diesel GK21-5J228-AH

Ford Transit Custom Mk8 AdBlue Additive Reservoir Tank is a specialized component of the fuel supply system in diesel vehicles, responsible for storing the AdBlue solution that works with the exhaust emission reduction system. This solution is designed for Diesel versions, allowing for the maintenance of exhaust treatment system efficiency and compliance with emission standards during daily operation.

Specifications and technical data

• SKU: GK21-5J228-AH
• Mark: Ford
• Condition: Used
• OEM Part Number: GK21-5J228-AH
• Substitutable numbers: GK21-5J228-AH, GK215J228AH
• Fuel type: Diesel
• Part type: Fuel Tank
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel and emission system

The described AdBlue additive reservoir is a component from the Fuel tanks and filler pipes group, working with the fuel supply system in Ford diesel vehicles. It is responsible for the safe storage of the AdBlue solution and its stable delivery to the nitrogen oxide reduction system, which translates into the correct operation of the exhaust treatment system and reduced emissions under road conditions. Thanks to its design tailored to the Ford Transit Custom Mk8, the reservoir ensures proper mounting in the body, correct routing of lines, and compatibility with the factory control system. This is particularly important in commercial vehicles, where the reliability of the AdBlue system directly affects the continuity of vehicle operation and the absence of unplanned downtime.

Compatibility, identification, and selection

The component comes from the Ford brand, which facilitates matching it to a specific vehicle configuration and integration with the factory fuel and emission system. It is always recommended to confirm the selection of the reservoir based on the OEM number or interchangeable numbers using service documentation, the manufacturer's catalog, or professional parts selection tools. To better understand the role of such components in the entire fuel supply system, it is worth reading the guide describing the diagnostics and operation of elements such as injectors, pumps, and reservoirs, available in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. This will allow for conscious service planning and avoiding common installation errors.

Performance characteristics and installation

The presented reservoir is offered as a used part, which is a cost-effective solution while maintaining the original design and fitment for the vehicle. In practice, this means the ability to restore the efficiency of the AdBlue system without the need to invest in a new component, while maintaining the factory geometry of mounts and connections. Before installation, it is recommended to perform a standard verification of the external condition, tightness, and connection sockets, as well as cleaning the contact surfaces on the vehicle. A correctly installed AdBlue additive reservoir supports the stable operation of the emission reduction system in diesel engines, minimizing the risk of error messages related to the exhaust treatment system.

Why choose this AdBlue reservoir

• Original design intended for the Ford Transit Custom Mk8 with a diesel engine.
• Component from the Fuel tanks and filler pipes group, working with the fuel supply and emission reduction system.
• Economic solution thanks to the use of a used part while maintaining factory fitment.
• Possibility of selection based on the OEM number and reference numbers in service catalogs.
• Support for the correct operation of the AdBlue system and maintaining compliance with exhaust emission standards. If you want to further optimize the process of selecting used parts and avoid incorrect purchases, the guide describing the principles of verifying compatibility and working with OEM numbers, available in the article How to professionally select used car parts, will be helpful. If you are planning a comprehensive repair or modernization of the fuel supply and storage area in your Ford and need other elements from the same group, such as filler pipes, additional reservoirs, or mounting elements, check the available parts in the category Ford fuel tanks and filler pipes.