Ford Transit Custom Fuel Tank Diesel Complete Fuel Reservoir 70L BK21-9002-BD

Ford Transit Custom Fuel Tank Diesel Complete Fuel Reservoir is an original fuel system component designed for diesel-powered vehicles. Thanks to its factory-spec construction, it ensures stable diesel fuel storage and proper integration with other fuel system components. This is a solution for users who expect a proven part with predictable performance parameters.

Specifications and technical data

• SKU: BK21-9002-BD
• Mark: Ford
• Condition: Used
• OEM Part Number: BK21-9002-BD
• Substitutable numbers: BK21-9002-BD
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Technical characteristics of the fuel tank

The presented tank belongs to the Fuel tanks and filler pipes category, meaning it is designed for direct compatibility with the vehicle's factory fuel system. The 80-liter capacity allows for comfortable range planning, and the construction adapted for diesel fuel supports stable operating conditions for the diesel engine.

The geometry of the tank is matched to the Ford body, which facilitates installation at original mounting points and ensures proper routing of fuel lines and the filler pipe. A properly shaped chamber limits fuel sloshing, which is important for the operation of the fuel system and driving comfort.

Purpose and role in the fuel system

The tank plays a key role in storing and supplying diesel fuel to the pump and injectors, forming a complete vehicle fuel system. The appropriate tank design helps maintain proper fuel suction conditions, which is particularly important in modern diesel units with high injection pressure.

In combination with properly functioning lines, a filter, and a pump, such a tank supports stable diesel engine operation, reduces the risk of system aeration, and facilitates starting in various operating conditions. It is a component that has a direct impact on the reliability of daily driving and the safety of vehicle use.

Condition, origin, and benefits of use

The product comes from the Ford brand, which ensures factory standards of workmanship and fitment. As a used component, the tank is an economical solution, allowing for the restoration of fuel system efficiency at controlled service costs, while maintaining the original design.

Using an original tank from the same product group minimizes the risk of installation problems, leaks, or incorrect routing of lines. This is particularly important in commercial vehicles, where operational predictability and reduced service downtime are essential.

Selection, diagnostics, and operation of the fuel system

When replacing a fuel tank, it is worth paying attention to the general condition of the fuel system – lines, filter, pump, and venting elements. A properly selected tank, consistent with the vehicle's design and fuel type, reduces the risk of leaks, corrosion, and venting problems, which translates into stable operation of the power unit.

If you want to deepen your knowledge about the diagnostics and operation of the fuel system, methods of selecting components by catalog numbers, and regeneration principles, check out the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, where you will find practical tips, comparison tables, and answers to frequently asked questions.

Expanding the fuel system in a Ford

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