Mercedes W204 Oil Cooler Power Steering Pipe Hose Line Diesel OM651 A2044602024

Mercedes W204 Oil Cooler Power Steering Pipe Hose Line Diesel OM651 is a hydraulic system component designed for diesel engine models, responsible for the stable discharge and cooling of oil in the power steering system. Thanks to the use of an original design for the Mercedes brand, the pipe ensures proper flow of the working medium and correct cooperation with the oil cooler. This used component allows for an economical, yet technically correct repair of the power steering system in W204 family vehicles.

Specifications and technical data

• SKU: A2044602024-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044602024
• Substitutable numbers: A2044602024, A 204 460 20 24, A2044601024, A 204 460 10 24
• Fuel type: Diesel
• Category: Power Steering Pumps

Purpose and function in the power steering system

The power steering oil cooler pipe in the W204 model operates in the oil circuit between the power steering pump, the steering gear, and the oil cooler. It is responsible for:

• transporting oil at the appropriate pressure towards the cooler,
• maintaining a stable operating temperature of the oil in the power steering system,
• ensuring the tightness of the hydraulic circuit under diesel engine operating conditions.

Thanks to its proper geometry and fit to the W204 body, the pipe does not interfere with other engine bay components and enables correct routing of the hydraulic line in vehicles powered by diesel fuel.

Compatibility with diesel units

The presented pipe is intended for vehicles from the Mercedes W204 family with a diesel engine, where the power steering system operates under specific thermal and load conditions. Using the correct pipe in such a system allows for:

• maintaining appropriate oil pressure across the entire engine speed range,
• reducing the risk of oil overheating in the power steering system,
• stable operation of the power steering pump and steering gear during city and highway driving.

Selecting a pipe consistent with the hydraulic system design in diesel versions is crucial for maintaining the correct steering assistance characteristics and the durability of other components.

Characteristics of the used component

The offered power steering oil cooler pipe is a part from the Power steering pumps category, sourced from dismantling, which allows for reduced repair costs while maintaining the original design. The used element:

• retains factory oil line routing and mounting points,
• is suitable as a replacement in case of leaks or damage to the existing pipe,
• enables the restoration of proper system operation without the need for non-original modifications.

For workshops and individual users, this represents a practical solution for power steering system repairs in vehicles used on a daily basis.

Installation and operational tips

When replacing the power steering oil cooler pipe in a Mercedes W204, it is recommended to:

• check the condition of the oil cooler and other pipes in the system,
• verify tightness after installation with the engine running,
• assess the quality of the oil in the power steering system and replace the working medium if necessary.

A correctly selected and installed pipe reduces the risk of pressure drops in the system, pump noise, and uneven steering assistance, which translates into safer and more predictable vehicle handling.

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

Part selection and technical knowledge

When working with systems in diesel vehicles, it is important to properly understand the relationship between the fuel system, power steering hydraulics, and engine load. Material describing the operating principles of the supply system, including injectors and pumps, can be helpful in component selection and diagnostics. It is worth reading the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which organizes key issues related to the operation of diesel units.