Power Steering Pump Mercedes W639 W906 OM651 Diesel Pump Tank A0064661701

Mercedes W639 W906 OM651 Power Steering Pump A0064661701 is an original steering system component from the Power Steering Pumps group, designed for vehicles with diesel engines. Thanks to its factory specification for the Mercedes brand, it ensures proper system pressure, precise vehicle handling, and stable power steering operation in daily use.

Specifications and technical data

• SKU: A0064667801-5
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0064667801
• Substitutable numbers: A0064667801, A 006 466 78 01
• Fuel type: Diesel
• Category: Power Steering Pumps

Application and Compatibility with Diesel Systems

The presented power steering pump is structurally adapted for vehicles with Diesel engines, which is important for mechanical loads and operating characteristics in real road conditions. Using the correct pump in the steering system translates to:

• stable operating pressure across the entire engine speed range of a diesel engine,
• reliable power steering operation during low-speed maneuvering,
• more predictable vehicle behavior under heavy powertrain load.

This ensures the steering system maintains proper operation, both in city traffic and on longer journeys, which is particularly important for commercial vehicles based on the W639 and W906 platforms.

Technical Characteristics of the Power Steering Pump

The pump belongs to the Power Steering Pumps category, which are components responsible for generating hydraulic pressure in the steering system. The OEM construction ensures:

• compatibility with factory mounting points and power steering system lines,
• proper cooperation with the steering gear and fluid reservoir,
• operating parameters consistent with the vehicle manufacturer's specifications.

Selecting a pump matching the OM651 engine designation and Diesel fuel type minimizes the risk of power steering malfunction, noise, or excessive accessory drive load.

Product Condition and Benefits of Using OEM Parts

The offered power steering pump is a used part, allowing for economical repair of the steering system while maintaining factory specifications. Using OEM parts instead of random aftermarket replacements primarily offers:

• better compliance with original service documentation,
• a lower risk of installation problems and leaks,
• more predictable system behavior in the long term.

For Mercedes commercial vehicles, this is important for both driver comfort and the durability of the entire steering system, which is heavily loaded in daily operation.

Selection by Numbers and Integration with Other Components

To correctly select this pump for a specific vehicle, it is advisable to use the OEM designations and interchangeable part numbers visible in the technical specifications. This helps avoid situations where the pump differs in construction details, despite seemingly similar applications. If you have doubts regarding the selection of hydraulic and fuel components, the article: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, will be helpful, as it discusses principles of identifying parts by OEM numbers and good service practices.

Other Mercedes Power Steering Pumps – Fleet Expansion and Service

If you service multiple vehicles of this brand or plan a comprehensive steering system service for several cars, it is worth considering a broader review of available solutions in this component group; to select appropriate variants for different models and engine configurations, check the available parts in the Mercedes Power Steering Pumps category.