Mini Cooper R50 Intercooler Pressure Hose Assy Pipe Diesel W17 7801104

Mini Cooper R50 Intercooler Pressure Hose Assy Pipe Diesel is a component from the Lines, hoses and pipes group, designed for the turbocharging system in a diesel engine. Engineered for Diesel units, it is responsible for the efficient routing of compressed air between the intake system components, which directly impacts engine performance and stable operation.

Specifications and technical data

• SKU: 7801104
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7801104
• Substitutable numbers: 7801104, 11617801104, 4718980, 11614718980, 7794586, 11617794586
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the turbocharging system

The described air pressure hose operates in high-pressure and variable-temperature environments typical of turbocharged diesel engines. Its task is to provide a tight and stable path for compressed air from the turbocharger side to the intake manifold, allowing the engine control unit to maintain correct pressure and mixture values.

A properly selected hose in the turbocharging system helps reduce pressure drops, improves throttle response, and supports smooth engine operation under load. For the Mini Cooper R50 Diesel, this is significant for both dynamics and engine refinement in daily urban and extra-urban driving.

Compatibility and technical parameters

The pressure pipe has been developed for Mini vehicles with a Diesel fuel type engine. The precise fit of its shape and diameter to the factory intake system allows for installation in place of the original component without the need for modifying other parts.

To ensure correct part selection, it is recommended to use manufacturer markings, such as the OEM part number and available replacement numbers – this enables precise identification of the hose in service catalogs and VIN-based selection systems. This minimizes the risk of purchasing an incompatible part and reduces vehicle downtime.

Performance characteristics of the used component

The offered air pressure hose is a used component, which in practice means it has been dismantled and previously operated in a vehicle. Such a part, provided it maintains proper airtightness and has no structural damage, can still ensure the correct operation of the turbocharging system, serving as an economical alternative to a new component.

Choosing a used hose is particularly beneficial when you want to reduce repair costs while maintaining compliance with factory specifications. For items in the Lines, hoses and pipes group, it is important to verify the condition of the working surfaces, connectors, and clamping points before installation to avoid leaks in the intake system.

Benefits of using the correct pressure hose

A properly selected air pressure hose in a Mini Cooper R50 Diesel translates into a number of practical benefits:

• maintaining stable boost pressure across the entire RPM range,
• reducing the risk of power loss resulting from system leaks,
• more predictable engine response to throttle input,
• support for the proper operation of diesel engine control systems.

By maintaining the factory geometry of the hose, the intake system remains consistent with the manufacturer's design, which is essential for both turbocharger durability and maintaining correct combustion parameters.

Related system components and additional materials

During work on the intake system, it is also worth paying attention to other components, such as other air hoses, vacuum hoses, or charge air cooling elements. If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other items from the same group, such as flexible hoses, rigid pipes, or connecting sections, check the available parts in the Mini Lines, hoses and pipes category.

For a better understanding of diesel engine operation and related components, material describing the construction and maintenance of the fuel system may be helpful. More information on diagnostics, selection by OEM numbers, and regeneration principles can be found in the article Fuel system – injectors, pumps and fuel tank: maintenance and regeneration.