Audi A4 B8 Power Steering Pump Intake Hose Tube Line Pipe 2.0 TDI 8K0422887AK

Audi A4 B8 Power Steering Pump Intake Hose Tube Line Pipe 2.0 TDI is a hydraulic system component designed for diesel engines, responsible for the stable supply of operating fluid to the power steering pump. By maintaining the factory geometry and hose diameter, it ensures proper operating pressure and predictable steering system performance in Audi vehicles with the 2.0 TDI unit.

Specifications and technical data

• SKU: 8K0422887AK
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0422887AK
• Substitutable numbers: 8K0422887AK, 8K0 422 887 AK
• Fuel type: Diesel
• Part type: Hose
• Category: Power Steering Hoses

Purpose and function in the power steering system

The power steering pump intake hose in the Audi A4 B8 is responsible for the safe delivery of fluid from the reservoir to the pump, minimizing the risk of aeration and performance drops. In diesel engines, where steering system loads are higher, proper medium flow is crucial for maneuvering comfort and vehicle handling stability. A properly selected hose in this section of the hydraulic system reduces:

• cavitation in the power steering pump,
• excessive steering wheel vibrations at low RPM,
• the risk of fluid overheating during intensive use.

Benefits of using an original Audi hose

Using an intake hose dedicated to the Audi A4 B8 with a diesel engine translates into stable steering characteristics and predictable vehicle behavior in various road conditions. This component has been designed for:

• precise fitment to factory mounts and routing in the engine bay,
• resistance to temperature and vibrations typical of diesel units,
• maintaining the correct flow cross-section along the entire length of the hose. As a result, the steering system retains its functionality, and the power steering pump operates under conditions close to factory specifications, which promotes its durability.

Installation and operational characteristics

The power steering pump intake hose from this offer comes from the Power steering hoses group, meaning it has been specifically designed to work in the low-pressure circuit of the hydraulic system. In practice, this facilitates service because it:

• allows for maintaining the original hose routing in the engine bay,
• simplifies system bleeding after replacement,
• reduces the risk of collision with other components (covers, cooling hoses, electrical harnesses). In the case of diesel units, it is particularly important that the intake hose is airtight and resistant to the vacuum generated by the pump, which translates into smooth power steering operation during cold starts and in urban conditions.

Part selection and service economics

Choosing the right intake hose for an Audi with a diesel engine has a direct impact on operating costs – an incorrect component can accelerate power steering pump wear or lead to system leaks. Using a component consistent with factory design assumptions allows for maintaining an optimal balance between repair costs and system durability. If you are planning a comprehensive repair or upgrade of the steering system area in your Audi and need other elements from the same group, such as return hoses, high-pressure hoses, or flexible supply sections, check the available parts in the Audi power steering hoses category. Additional tips on cost-effective service using original components, including power steering system elements, are provided in our blog article – check out the practical advice in the text Proven ways for cheaper MINI car service using original components, which you can analogously apply when planning work on your car.