Mercedes-Benz ML W164 R W251 Diesel Power Steering Rack Radiator Hose Pipe Line

Mercedes-Benz ML W164 R W251 Diesel Power Steering Rack Radiator Hose Pipe Line is an original power steering system component, designed specifically for diesel engine models. It enables efficient heat dissipation from the steering system fluid, which translates into stable power steering pump operation and comfortable vehicle handling. This is a practical service solution for users who expect reliable fitment and factory compatibility with the Mercedes-Benz steering system.

Specifications and technical data

• SKU: rhd-A1644600024
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1644600024
• Substitutable numbers: A1644600024, A 164 460 00 24, BG
• Fuel type: Diesel
• Category: Power Steering Pumps

Purpose and function in the power steering system

The presented hose is a component of the power steering rack oil cooling system in Mercedes-Benz ML-Class W164 and R-Class W251 vehicles with a Diesel engine. It is responsible for transporting the working medium between the steering rack and the radiator, stabilizing the operating temperature of the entire system. As a result, the power steering pump maintains proper pressure, and steering effort remains predictable both during city maneuvering and at higher speeds.

A properly selected power steering rack radiator hose reduces the risk of oil overheating, loss of steering performance, and accelerated wear of system components. This is particularly important in vehicles with diesel engines, which often operate under higher thermal loads.

Compatibility with Mercedes-Benz Diesel models

The component has been developed for factory integration with the steering system in Mercedes-Benz SUVs and vans equipped with diesel units. This means:

• maintaining the original hose routing in the engine bay,
• proper connection to the radiator and steering rack,
• correct diameter and geometry of the connections,
• compliance with the operating parameters of the power steering system in Diesel versions.

Thanks to this, installation is straightforward, without the need for modifications or the use of adapters, and the system retains the characteristics intended by the vehicle manufacturer.

Performance characteristics and application benefits

As a component from the Power steering pumps and steering system accessories group, the power steering rack radiator hose directly influences the overall system performance. Key benefits of its use include:

• stabilization of power steering fluid temperature during long-term operation,
• reduction of the risk of steering performance loss during intensive driving,
• maintaining consistent steering rack operation in vehicles with a diesel engine,
• preservation of the factory operating parameters of the Mercedes-Benz steering system.

The product is offered in used condition, which represents a reasonable compromise between repair costs and maintaining the original technical specification. For many users, this is an effective service solution that allows for restoring the proper operation of the power steering system without the need to invest in a new part.

Professional selection and operation in Diesel vehicles

In the case of cars with a Diesel engine, it is particularly important to maintain the appropriate quality of accessories working with the power unit. This applies not only to the fuel system but also to the steering system, which requires efficient oil cooling under conditions of higher thermal loads. A properly selected power steering rack radiator hose helps to reduce the risk of leaks, pressure drops, and excessive load on the power steering pump.

To better understand the relationship between diesel engine operation and accessories, it is worth consulting technical materials regarding the fuel supply system. Practical tips in this area can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, where diagnostics, part selection by catalog numbers, and operating principles for diesel engines are discussed.

Expanding Mercedes power steering service

If you are planning a comprehensive repair or upgrade of the steering area in your Mercedes and need other components from the same group, such as pressure hoses, return lines, or additional hydraulic elements, check the available parts in the Mercedes Power Steering Pumps category.

Owners of popular models of this brand may also find knowledge about engine accessory maintenance, including injection and timing systems, useful. Practical service advice can be found in the material Reliability under the star sign – how to take care of engine accessories in popular Mercedes-Benz models, which helps in consciously planning inspections and selecting spare parts.