Mini Cooper D R55 R56 Fuel Feed Pipe Hose Overflow Oil Line 7806005

Fuel Supply Hose / Oil Return Hose for Mini Cooper D R55/R56 is an original part from the Hoses, Pipes, and Tubes group, designed for the fuel and oil system in a diesel engine. It ensures stable routing of the working medium, supporting the correct operation of the power unit and reducing the risk of leaks in the critical engine bay area.

Specifications and technical data

• SKU: 7806005
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7806005
• Substitutable numbers: 13537806005, 7806005
• Category: Hoses, Lines & Pipes

Application and Function in the Fuel-Oil System

The presented hose is responsible for the controlled flow of fuel or oil in the fuel system of the Mini Cooper D R55/R56 generation engine. Its task is to safely drain excess medium and maintain proper working pressure, which translates to smooth engine operation and stable performance parameters.

Thanks to precise fitting to the specific engine configuration, the hose maintains the correct routing geometry, minimizing stress, vibrations, and the risk of chafing in contact with other engine bay components.

Construction, Fitment, and Installation

As an original Mini part, the hose has been designed for the specific mounting and connection layout in the Cooper D R55/R56 models. Appropriately selected connection diameters and the shape of the working sections facilitate installation at factory mounting points, without the need for modifications or adapters.

In practice, this means:

• secure seating on the fuel-oil system spigots,
• correct routing along factory hose paths,
• reduced risk of leaks resulting from improper fitment of universal aftermarket parts.

This solution is particularly beneficial for workshops and users expecting repeatable, predictable service results.

Characteristics of a Used Component

The offered hose comes from the secondary market, allowing for an economical repair while maintaining the original design specifications. A used component of this type is often chosen when compliance with the factory hose routing and fitment to the existing installation are priorities, while simultaneously reducing service costs.

For fuel and oil hoses, maintaining appropriate material stiffness and flexibility, as well as the integrity of the connection ends, is particularly important – these determine the system's seal and operational safety.

Benefits of Using an Original Mini Hose

Using an original supply/return hose in the Mini Cooper D R55/R56 offers a range of practical benefits:

• Structural Compatibility – a component designed specifically for the given system, without the compromises typical of universal aftermarket parts.
• Stable System Operating Parameters – proper fuel or oil flow supports smooth engine operation and reduces the risk of fuel supply issues.
• Safe Medium Routing – the hose minimizes the risk of leaks in areas with elevated temperatures and mechanical loads.
• Diagnostic Support – maintaining the factory hose configuration facilitates subsequent diagnostics and servicing of the fuel-oil system.

Fitment within the Mini Hoses, Pipes, and Tubes Category

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other parts from the same group, such as fuel lines, oil hoses, or breather pipes, check the available parts in the Mini Hoses, Pipes, and Tubes category.

How to Safely Buy Used Hoses and Pipes Online

When selecting used fuel-oil system components, it is worth paying attention to compliance with manufacturer markings, the condition of the connection ends, and the history of use. For users who want to streamline the parts selection process and minimize the risk of errors, a practical guide can be helpful – find more information in the article Safe Online Purchase of Used Car Parts – A Step-by-Step Guide.