Audi A4 B8 A5 8T Power Steering Return Hose Pipe Line Petrol Engine 8K2422891AG

Audi A4 B8 A5 8T Power Steering Return Hose Pipe Line Petrol Engine is an original hydraulic system component, designed specifically for Audi models with petrol-powered units. It enables stable fluid return from the steering gear to the reservoir, which translates into predictable steering system operation and driving comfort.

Specifications and technical data

• SKU: RHD-8K2422891AG
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K2422891AG
• Substitutable numbers: 8K2422891AG, 8K2 422 891 AG
• Fuel type: Petrol
• Part type: Hose
• Category: Power Steering Hoses

Purpose and function in the power steering system

The offered hose belongs to the Power steering hoses group and is responsible for the return circuit of hydraulic fluid in the system. A properly selected component in this section is crucial for:

• maintaining the correct operating pressure in the system,
• stable operation of the power steering pump,
• reducing noise and vibrations transmitted to the steering wheel,
• reducing the risk of air entering the system.

Being dedicated to petrol engines ensures compatibility with the installation routing, mounting geometry, and operating characteristics of the system in specific Audi A4 B8 and A5 8T versions.

Compatibility with petrol units

The hose has been designed to work with the power steering system in Audi vehicles equipped with petrol engines. This means it is matched to:

• factory hydraulic line routing in the engine bay,
• original mounting points on the body and steering gear,
• flow parameters and operating fluid temperature in petrol versions.

As a result, installation is straightforward, without the need for modifications or the use of non-factory clamps and connectors.

Original origin and installation advantages

The component comes from the Audi brand production line, which means maintaining factory geometry, connection diameters, and the quality of materials used. In practice, this translates into:

• secure fitment to the steering gear and power steering pump,
• correct positioning relative to other components in the engine bay,
• reduced risk of leaks resulting from imprecise fitment.

The used nature of the part allows for an economical repair of the system while maintaining the manufacturer's original specifications, which is beneficial both cost-wise and technically.

Condition, verification, and operational safety

The hose is offered as a used item, which in practice means it comes from vehicle dismantling but retains the functionality required for further operation. This type of component is worth choosing when:

• the existing hose shows signs of corrosion, cracks, or abrasions,
• power steering fluid leaks appear in the system,
• replacement is necessary after a collision or interference in the engine bay.

Choosing an original return hose minimizes the risk of bleeding problems and ensures predictable steering behavior in daily driving.

System expansion and related components

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 high-pressure hoses, flexible return sections, or additional fluid cooling lines, check the available parts in the Audi power steering hoses category.

If you have any doubts regarding the choice of a used hydraulic component or want to better understand the differences between new and used parts, it is worth reading the article Used car parts: myths and facts you need to know, which discusses the most common driver concerns in an accessible way.