Audi A8 D4 Power Steering Pump Hydraulic Servotronic Unit 3.0 TDI 4H0145156M

The Audi A8 D4 Power Steering Pump Servotronic Pump 3.0 TDI is an original steering system component designed for diesel-powered vehicles, ensuring precise Servotronic power steering operation. This used pump offers a functional service solution for drivers seeking a well-functioning, factory-spec component tailored to the specifics of the A8 D4 3.0 TDI model.

Specifications and technical data

• SKU: 4H0145156M
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H0145156M
• Substitutable numbers: 4H0145156M, 4H0 145 156 M
• Fuel type: Diesel
• Part type: Power Steering Pump
• Category: Power Steering Pumps

Technical Characteristics of the Servotronic Power Steering Pump

The Audi A8 D4 power steering pump works with the Servotronic system, which adjusts the power assistance level based on vehicle speed. At low speeds, the steering wheel is light, facilitating maneuvering, while at higher speeds, the system provides more stable, firmer resistance on the steering wheel.

• Diesel Engine Compatibility – designed to work with the 3.0 TDI unit, considering torque characteristics and steering system loads.
• Precise Pressure Regulation – the pump maintains optimal hydraulic system operating parameters, resulting in predictable vehicle responses.
• Servotronic Electronics Integration – the component is adapted for compatibility with the control module responsible for variable power assistance.

Application in Audi A8 D4 3.0 TDI

This pump is intended for installation in the steering system of the luxurious Audi A8 D4 generation limousine with a diesel engine. By maintaining factory specifications, it ensures:

• stable vehicle handling at higher highway speeds,
• comfortable maneuvering during parking and city driving,
• consistency with the vehicle's original steering system and electronics configuration.

Choosing a used OEM part allows you to maintain the original power steering system's performance characteristics without the need for aftermarket replacements with uncertain parameters.

Benefits of Using an Original Power Steering Pump

By installing the Servotronic power steering pump for Audi A8 D4, you gain a component specifically designed for this model, which translates into a number of practical advantages:

• Factory Fitment – maintains the correct power assistance force characteristics across the entire speed range.
• Hydraulic System Compatibility – proper cooperation with hoses, reservoir, and steering rack.
• Optimal Performance with Diesel Engine – the pump is selected for the loads generated by the 3.0 TDI unit.
• Cost-Effective Service Solution – a used OEM part offers a favorable compromise between cost and maintaining the vehicle's original properties.

Condition and Service Purpose

The offered pump is from the power steering pumps category and is a used part intended as a replacement component for steering system repair or refurbishment. It is particularly suitable for situations where the existing pump shows signs of wear, such as noise, reduced power assistance, or uneven system operation.

Other Audi Power Steering Pumps and Technical Knowledge

If you are also looking for other Audi power steering pumps compatible with various models of this brand, check out our dedicated category: Audi Power Steering Pumps. You will find a wide selection of components for Audi steering systems there, making it easier to choose the right service solution.

To better understand the relationships between fuel supply and control elements in diesel-powered vehicles, it is worth reading the article describing the construction and operation of the fuel system, available here: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Refurbishment. This will provide a broader perspective on issues related to diagnostics and selecting parts by OEM numbers.