Mercedes W166 OM642 Diesel Fuel Tank Pipe Line Hose Tube A6420708932

Mercedes W166 OM642 Diesel Fuel Tank Pipe is an original fuel system component designed for OM642 diesel engines in the W166 body style. The precisely selected geometry of the pipe ensures stable fuel delivery and proper cooperation with other system components. This is a practical solution for users who want to maintain the factory operating characteristics of the engine.

Specifications and technical data

• SKU: A6420708932
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420708932
• Substitutable numbers: A6420708932, A 642 070 89 32
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and Function in the Fuel System

The described fuel tank pipe belongs to the Pipes, Hoses, and Tubes group and operates within the fuel system of a Diesel engine. Its function is to safely and securely conduct fuel between the tank and subsequent system elements, maintaining appropriate flow and resistance to body vibrations.

In vehicles with the OM642 unit, the correct selection of the pipe is crucial for:

• maintaining stable fuel system pressure,
• reducing the risk of leaks and air ingress,
• preserving the factory operating parameters of the diesel engine.

Benefits of Using an Original Mercedes Pipe

Using a pipe dedicated to the W166 with an OM642 engine allows for structural consistency of the entire fuel system. Factory-matched shape and diameter facilitate installation in existing brackets and guides, without the need for modifications or additional adapters.

Key advantages of this solution include:

• compatibility with the diesel engine fuel system in the specific body model,
• maintaining the original pipe routing, which minimizes stress and vibrations,
• consistency with other fuel system components, such as other pipes, hoses, and tubes.

Characteristics of the Used Component

The offered pipe is from the group of used parts, making it a sensible choice for servicing daily driven vehicles. This type of component, when maintaining adequate sealing and material integrity, can continue to work effectively in the fuel system, ensuring proper fuel delivery to the diesel engine.

Choosing an original part from disassembly is particularly beneficial where maintaining factory specifications and compatibility with the existing installation is important, without the risk of dimensional discrepancies or installation issues.

Support for System Selection and Expansion

For extensive service of the fuel system in four-wheel-drive vehicles, it is worth paying attention to the dependencies between the fuel system and the drivetrain, as well as the engine load. Additional information on the characteristics of drivetrains used in Mercedes and other brands can be found in the article: xDrive, 4Matic, quattro, or 4Motion – Comparison of AWD Systems from BMW, Mercedes, Audi, and VW.

Expansion of Mercedes Fuel System Service

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other components from the same group, such as flexible hoses, breather hoses, or additional fuel pipes, check the available parts in the category Mercedes Pipes, Hoses, and Tubes.

Selecting a fuel tank pipe that is consistent with the W166 construction and OM642 engine allows for predictable performance of the diesel unit, reduces the risk of leaks, and maintains stable operation of the entire fuel system. This is a practical solution for users who expect a technically correct fuel system configuration, consistent with the manufacturer's design.