Mini Cooper F55 F56 F57 Bare Plastic Fuel Tank 40L Petrol 7440789

Mini Cooper F55 F56 F57 Bare Plastic Fuel Tank 40L Petrol is an original fuel system component designed for Mini models with petrol engines. It ensures safe fuel storage, stable operation of the fuel system, and proper preparation of the vehicle for further use. Thanks to its factory design, it is the right choice for professional repair or replacement of the tank in your Mini.

Specifications and technical data

• SKU: 7440789-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7440789
• Substitutable numbers: 16117440789, 7440789, 16117349666, 7349666
• Fuel type: Petrol
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The presented fuel tank is an item in the Fuel tanks and filler pipes category, responsible for storing petrol and working with other fuel system components. The design adapted to the Mini F55, F56, and F57 platform allows for proper mounting to the chassis and integration with fuel lines, venting, and the filler system.

As a part intended for petrol, the tank is designed for resistance to typical operational loads, such as temperature changes, vibrations, and contact with modern fuel blends. Proper fitment to the specific Mini generation reduces the risk of leaks and assembly issues.

Benefits of using an original Mini tank

Using an original fuel tank in the Mini F55, F56, and F57 allows you to maintain the factory parameters of the fuel system. The appropriate tank geometry, placement of connections, and the manufacturer-specified capacity of approximately 40 liters promote stable engine fueling in various driving conditions – from city traffic to longer routes.

Replacing a worn or damaged tank with a component from the same design family helps reduce the risk of fuel leaks, venting-related errors, and disruptions in fuel pump operation. This solution is particularly important when repairing vehicles that are used intensively or after mechanical damage in the undercarriage area.

Condition of the item and assembly aspects

The offered fuel tank is a used item, which in practice means it comes from vehicle dismantling and may show signs of normal wear while maintaining the functionality required for further use. This type of part is a cost-effective solution while maintaining compliance with Mini's factory specifications.

During installation, it is recommended to use appropriate fasteners and check the condition of fuel lines and seals in the tank area. A properly performed installation allows for restoring the tightness of the fuel system and the safe operation of the vehicle in daily use.

Selection by numbers and integration with the fuel system

The item has a dedicated OEM part number and associated interchangeable numbers, which facilitates precise identification and selection for a specific Mini configuration. Verification of compatibility by numbers or by the vehicle's VIN is recommended, especially in the case of equipment differences between the F55, F56, and F57 body versions.

To better understand the role of the tank in the entire fuel system, how to diagnose it, and how to select it by OEM numbers, it is worth using expert materials. Practical tips, tables, and answers to frequently asked questions can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses, among other things, the operation and regeneration of fuel system components.

Related category items for Mini

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