Audi A8L 4H 3.0 TDI CDTA Power Steering Pump Intake Hose Line Pipe 4H0422887AE

Audi A8L 4H 3.0 TDI CDTA Power Steering Pump Intake Hose Line Pipe is a component from the Power steering hoses category, designed for the power steering system in the diesel engine version. It is responsible for the safe routing of hydraulic fluid within the system, which translates into stable steering gear operation and predictable vehicle handling. This is a solution for users who want to restore proper steering performance without compromising on the fitment for a specific model configuration.

Specifications and technical data

• SKU: 4H0422887AE
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H0422887AE
• Substitutable numbers: 4H0422887AE, 4H0 422 887 AE
• Fuel type: Diesel
• Category: Power Steering Hoses

Purpose and role in the power steering system

The power steering oil hose in the Audi A8L 4H 3.0 TDI CDTA operates in the demanding environment of a hydraulic system, where tightness, pressure resistance, and stable fluid routing are crucial. A properly selected hose minimizes the risk of pressure drops, pump noise, and unpredictable changes in steering effort, which is particularly important in a heavier, luxury limousine with a diesel engine.

Proper fitment for the specific powertrain version ensures that the hose geometry, connection diameters, and routing in the engine bay are consistent with factory specifications, which facilitates installation and reduces the risk of interference with other components.

Benefits of using a dedicated hose

Using a power steering oil hose matched to the Audi A8L 4H 3.0 TDI CDTA allows for maintaining the factory characteristics of the steering system. In practice, this means:

• stable pressure in the power steering system under various loads and engine speeds,
• reduced risk of oil leaks from connections and flexible sections,
• proper cooling and circulation of oil throughout the entire circuit,
• maintaining predictable steering assistance force.

For the user, this means more confident handling, less strain on the power steering pump, and a reduction in the risk of failures resulting from the use of components with incorrect geometry or parameters.

Technical characteristics and fitment

The hose belongs to the Power steering hoses group, meaning it has been designed to work in a hydraulic system with power steering fluid, rather than as a universal fluid hose. The construction is adapted to the specifics of the diesel unit, which experiences different thermal and spatial conditions than gasoline versions.

The component is intended for installation in an Audi vehicle, ensuring consistency with the factory steering system architecture. The user receives a component that can be integrated into the existing system without the need to modify other parts, which is particularly important when working within active safety systems.

Condition of the component and practical service application

The offered hose is in used condition, making it an attractive solution for users looking for a technically sound component on a reasonable budget. This type of part works well both for routine repairs and for replacing a damaged hose following a pump failure, oil leak, or engine bay intervention.

In workshop practice, the power steering oil hose is often replaced preventively during major work on the steering system or upon detecting signs of corrosion, abrasion, or micro-cracks on flexible sections. Using a dedicated component allows for shorter installation time and limits the number of potential leak points.

Expanding work within the power steering system

If you are planning a comprehensive repair or upgrade of the steering system area in your Audi and need other components from the same group, such as additional pressure lines, return sections, or flexible oil hoses, check out the available parts in the Audi power steering hoses category.