Mini F55 F56 Hose Coolant Expansion Tank EGR Cooler-Heating 8511911

The Mini F55 F56 Expansion Tank Hose is a component from the Hoses, Tubes, and Pipes category, designed for the cooling system in Mini cars. It is responsible for the safe drainage and return of fluid between the expansion tank and other system components, which promotes stable engine operation and maintains the correct temperature. This is a practical solution for users looking for a proven, original component for F55 and F56 models.

Specifications and technical data

• SKU: 8511911
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 8593799
• Substitutable numbers: 17128593799, 8593799, 17124754441, 4754441, 17128511911, 8511911, PK
• Category: Hoses, Lines & Pipes

Purpose and Function in the Cooling System

The expansion tank hose in Mini F55/F56 models is responsible for transporting coolant between the expansion tank and the rest of the system. A correctly selected component helps maintain:

• stable pressure in the cooling system,
• proper coolant circulation,
• safe engine operation across a wide temperature range.

Thanks to its proper shape and fit to factory mounts, the hose ensures a sealed connection without the need for installation modifications.

Original Mini Fitment

The product comes from the Mini line, which means it retains factory assembly parameters and compatibility with the cooling system design in F55 and F56 versions. Original origin translates to:

• secure fit with spigots and brackets in the engine bay,
• retention of the hose geometry designed by the manufacturer,
• compatibility with original clamps and mounting elements.

Such a fit limits the risk of stress, kinks, or rubbing against other components, which is important for the durability of the entire system.

Characteristics of the Used Component

The expansion tank hose is a used component, sourced from dismantling. This is a solution often chosen by discerning users who are looking for parts with factory specifications at a more favorable price than a new replacement. In practice, this means:

• retention of the original construction and connection diameters,
• possibility of installation in place of the old hose without interfering with the system,
• attractive cost-to-functionality ratio.

Before installation, a standard check of tightness and the condition of the connection surfaces is recommended, in accordance with the manufacturer's service procedures.

Application in Mini F55/F56 Service and Repairs

The Mini F55 F56 Expansion Tank Hose is suitable for both typical replacement of a worn hose and for larger service work related to the cooling system. The component is particularly useful when:

• the existing hose shows signs of aging, cracking, or leaks,
• the expansion tank and its accessories need to be replaced,
• the cooling system is being refurbished or upgraded.

Choosing an original hose allows for maintaining system operating parameters in line with the manufacturer's intentions, which is important for engine durability and driving comfort.

Alternative Numbers and Part Identification

The component has a dedicated OEM part number and related interchangeable numbers, which facilitates unambiguous identification in service catalogs and parts selection systems. In practice, this means the possibility of quickly checking compatibility with a specific equipment version and model year of a Mini F55 or F56 vehicle. The product description also includes data such as SKU, brand designation, and condition information, allowing for precise verification of whether the offered hose meets the requirements of a given car instance.

Related Products and Technical Knowledge

If you are looking for other components from the Hoses, Tubes, and Pipes category dedicated to this brand, check out our offer on Mini hoses, tubes, and pipes, where you will find a wide selection of components for cooling systems and more. For those interested in the broader use of dismantled parts in modern cars, we also recommend the guide article: How to care for BMW iDrive systems and electronic modules using dismantled parts, which shows a practical approach to economical and conscious vehicle operation.