Mercedes W220 M113 Petrol Power Steering Pump Unit Hose Line Tube A2204665081

Mercedes W220 M113 Petrol Power Steering Pump Unit Hose Line Tube is an original hydraulic component designed to operate within the factory steering system. Thanks to its precise fit for this specific S-Class generation, it ensures stable operating pressure and predictable steering response during daily use. This used OEM component is a sensible choice for drivers who want to maintain the manufacturer's design while optimizing repair costs.

Specifications and technical data

• SKU: RHD-A2204665081-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2204665081
• Substitutable numbers: A2204665081, A 220 466 50 81
• Fuel type: Petrol
• Part type: Hose
• Category: Power Steering Hoses

Purpose and compatibility with the M113 engine

The offered hose is designed to work with the M113 petrol engine in the Mercedes W220 model, ensuring compatibility with the operating characteristics of the power steering pump and the steering system of this powertrain. The hose design is tailored to the factory installation routing, maintaining correct bending radii, engine bay layout, and safe clearance from heat-generating components.

Such a fit translates into proper hydraulic fluid flow, reduced risk of hose vibration, and stable power steering performance across the entire engine RPM range. For the user, this means predictable, smooth steering operation without delays or sudden changes in steering assist force.

Technical characteristics and function in the system

The hose plays a key role in the power steering fluid circuit, connecting the pump to the rest of the system. It is responsible for:

• transporting fluid under appropriate pressure between the pump and the steering system,
• maintaining system tightness under varying loads and temperatures,
• stabilizing flow, which contributes to the uniform operation of the pump and steering rack.

Thanks to the factory design, the hose is optimized for length, internal diameter, and routing, which helps reduce pressure drops and flow noise. In practice, this results in more comfortable and predictable vehicle handling, especially during parking maneuvers and at low speeds.

Benefits of using an original used hose

Choosing a used OEM power steering hose for a Mercedes allows you to maintain compliance with factory specifications without the need for aftermarket replacements with uncertain parameters. The original component is designed for long-term operation in a specific model, which minimizes the risk of fitment issues or leaks resulting from structural differences.

The main advantages of this solution include:

• maintaining factory system geometry – the hose fits according to the manufacturer's design,
• consistency with other power steering system components,
• economical restoration of steering system efficiency while maintaining OEM standards.

For many S-Class W220 users, this is a reasonable compromise between quality and repair cost, especially for vehicles used on a daily basis.

Application in service practice

The power steering hose in a Mercedes W220 with an M113 petrol engine is a component worth replacing when symptoms such as oil leaks, reduced steering effectiveness, or clear signs of corrosion and wear on the existing installation appear. Installing an original hose facilitates service work because the mounting points, length, and routing are consistent with the manufacturer's technical documentation.

In workshop practice, this translates into shorter installation time, fewer modifications, and greater confidence in the proper operation of the system after repair. This is particularly important in luxury vehicles, where comfort and precision of handling are among the main advantages.

Expert support and parts selection

If you want to better understand why original used steering system components are often more cost-effective than new aftermarket replacements, it is worth reading our expert material on the quality of OEM parts – this is discussed in detail in the article OEM quality assurance and safety – why used original car parts are the best choice for your car?.

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