Mercedes W166 Petrol Oil Pressure Pipe Hose Line Tube A1663201572

Mercedes W166 Petrol Oil Pressure Pipe Hose Line Tube is a component from the Oil coolers and lines group, designed for petrol-powered systems. It is responsible for the stable guidance of the working medium in the power steering system, which translates into precise steering operation and safe vehicle handling on the road. This is a solution for users looking for a proven, original component with predictable operating parameters.

Specifications and technical data

• SKU: A1663201572
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1663201572
• Substitutable numbers: A1663201572, A 166 320 15 72
• Fuel type: Petrol
• Category: Oil Coolers & Lines

Purpose and function in the power steering system

The power steering hose in Mercedes W166 models operates in a demanding pressure environment, which is why its construction must ensure proper sealing and resistance to temperature changes. The line carries the working medium between system components, stabilizing the flow and enabling smooth, predictable operation of the steering gear.

In vehicles with petrol engines, the correct selection of the line is important for:

• maintaining proper pressure in the power steering system,
• reducing the risk of leaks and loss of steering assistance effectiveness,
• maintaining maneuvering comfort at both low and high speeds.

Benefits of using an original line

Using a line dedicated to a specific Mercedes platform allows for maintaining the factory operating parameters of the system. The original geometry and internal diameter of the power steering line affect the proper flow of the medium, which is especially important in vehicles equipped with advanced safety systems and driver assistants.

Key advantages include:

• fitment to factory mounts and routing in the engine bay,
• maintaining the steering system characteristics designed by the manufacturer,
• reducing the need for modifications during installation.

Characteristics of the used component

The element comes from the used parts group, which allows for an economical repair of the system while maintaining the manufacturer's original specifications. This type of component is particularly attractive for vehicles used intensively, where a reasonable service cost is important while maintaining appropriate quality.

Choosing a used power steering line is a solution often used in professional workshops that rely on parts dismantled from vehicles with a known history, rather than unverified replacements with inconsistent parameters.

Significance for the durability of the lubrication and cooling system

As an element from the Oil coolers and lines group, the described line works with systems responsible for stabilizing the temperature and pressure of the working medium. In vehicles with petrol engines, a properly functioning power steering system and associated lines reduce mechanical and thermal loads, which indirectly affects the service life of other components.

If you want to better understand how cooling systems and lines affect the durability of the power unit and what symptoms may indicate overheating problems, it is worth reading the article: Engine cooling system – overheating, repair, and used radiators.

Expansion and service of the line system in a Mercedes

If you are planning a comprehensive repair or upgrade of the lubrication and cooling system area in your Mercedes and need other elements from the same group, such as oil lines, return sections, or flexible supply lines, check the available parts in the Mercedes oil coolers and lines category.

This allows you to replace several related components in one service stage, which reduces the risk of subsequent leaks and allows you to maintain a consistent technical standard for the entire system.