Citroen Relay Peugeot Boxer Mk3 Power Steering Pipe Hose 2.2 Diesel 1399115080

Citroen Relay Peugeot Boxer Mk3 Power Steering Pipe Hose for Citroen Relay / Peugeot Boxer models with a diesel engine is a hydraulic system component responsible for the safe and stable transmission of operating pressure in the steering system. Thanks to its factory geometry and fitment for Diesel units, it ensures the proper operation of the pump and steering gear, which translates into precise vehicle handling and maneuvering comfort. This solution is intended for users who expect a part that is structurally compliant with the original power steering system.

Specifications and technical data

• SKU: 1399115080
• Mark: Peugeot
• Condition: Used
• OEM Part Number: 1399115080
• Fuel type: Diesel
• Category: Power Steering Hoses

Purpose and function in the power steering system

The power steering pipe used in the third-generation Citroen Relay and Peugeot Boxer is responsible for transporting hydraulic fluid between key system components. Properly selected diameters and routing shape allow for maintaining stable operating pressure, which reduces the risk of power steering force loss, pump noise, or uneven steering gear operation.

In commercial vehicles with a Diesel engine, the power steering system is particularly heavily loaded due to the vehicle's curb weight and frequent driving with a load. Using a pipe with a design consistent with the factory specifications helps maintain proper operating parameters during low-speed maneuvering, parking, and city driving.

Benefits of using an original power steering pipe

Using a power steering pipe from the Peugeot group allows for maintaining the integrity of the entire hydraulic system. The appropriate shaping of the ends, pipe length, and mounting points minimize stress and vibration, which promotes the durability of the pump, steering gear, and other system components.

• preservation of the factory routing geometry of the pipe in the engine bay,
• reduced risk of leaks at connections thanks to perfectly matched ends,
• stable power steering operation under heavy loads typical for commercial vehicles,
• easier diagnostics and maintenance of the steering system due to compatibility with the factory solution.

For workshops and fleet users, this means predictable vehicle behavior after repair and a lower risk of service returns related to the power steering system.

Component condition and installation aspects

The offered pipe comes from the Power steering pipes category and is a used item, which in practice means the need for standard verification before installation: checking connections, flexible sections, and mounting points. Proper bleeding of the system after replacing the pipe and using fluid with the specifications recommended by the vehicle manufacturer allows for stable power steering operation and reduces the risk of cavitation in the pump.

During installation, it is worth paying attention to:

• routing the pipe in accordance with the original brackets and covers,
• tightening torque of the connections in accordance with the service documentation,
• checking for leaks after the first engine start and performing full steering turns.

Integration with the fuel system and operation in Diesel engines

In vehicles with diesel units, the power steering system operates in the immediate vicinity of fuel system components, so correct pipe routing is also important for operational safety. Proper distances from fuel lines, injectors, or the high-pressure pump reduce the risk of overheating and unwanted vibrations.

For users who want to deepen their knowledge about the operation of the supply system in diesel engines, diagnostics, and component selection by OEM numbers, the following article may be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. It allows for a better understanding of the relationships between individual sub-assemblies in the engine bay and facilitates the planning of comprehensive repairs.

Expanding power steering repairs in Peugeot vehicles

If you are planning a comprehensive repair or upgrade of the steering area in your Peugeot and need other components from the same group, such as additional pipes, connectors, or flexible sections, check the available parts in the Peugeot power steering pipes category.