Fuel Feed Line Mercedes W204 W212 W639 W906 OM651 Return Hose A6510701532

Fuel Feed Line Mercedes W204 W212 W639 W906 OM651 Return Hose is an original diesel fuel system component designed for OM651 diesel engines in popular Mercedes models. This product from the Lines, Hoses and Pipes category ensures proper fuel delivery at the correct pressure, which directly impacts the stable operation of the engine and operational safety. This used OEM component is a sensible choice for workshops and users looking for a technically matched solution at an attractive price.

Specifications and technical data

• SKU: A6510701532-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510701532
• Substitutable numbers: A6510701532, A 651 070 15 32
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and role in the fuel system

The fuel lines in the OM651 engine are responsible for the precise delivery of diesel fuel to the fuel injection system components. The correct geometry, diameters, and factory connectors ensure tightness and resistance to the operating pressure typical of modern diesel units. Using a dedicated set of lines in Mercedes W204, W212, W639, and W906 models reduces the risk of leaks, power loss, and starting problems.

Benefits of using original fuel lines

Choosing original fuel lines for the OM651 engine translates into a number of practical advantages:

• maintenance of factory fuel flow characteristics in the common rail system,
• secure fit to mounts and accessories in the engine bay,
• reduced risk of vibrations and micro-cracks due to the proper stiffness of the lines,
• compatibility with the diesel fuel supply system without the need for modifications.

For workshops, this means efficient installation and a lower risk of complaints, and for the user – stable diesel engine operation and predictable vehicle behavior in daily use.

Technical characteristics and installation

The fuel lines in this reference are designed to work with the Diesel fuel supply system, which involves resistance to high operating pressures and contact with diesel fuel. The design of the lines accounts for factory routing in the engine bay, making it possible to maintain proper bending radii, distances from heating elements, and mounting points.

During installation, it is recommended to:

• thoroughly clean the sockets and connectors before installation,
• check the condition of seals and clamps,
• verify system tightness after the first engine start,
• maintain the original routing of the lines to avoid chafing.

This approach allows for full utilization of the potential of the original component and reduces the risk of subsequent fuel leaks.

Product condition and service application

The offered set of fuel lines is a used component, which makes it a cost-effective solution for maintenance repairs, especially in fleet and commercial vehicles. For service centers specializing in the Mercedes brand, this is a practical way to restore the efficiency of the fuel system while maintaining compliance with factory specifications. The used OEM component allows for maintaining the integrity of the fuel system without resorting to replacements with uncertain parameters.

Complementary Mercedes fuel system elements

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as additional lines, flexible hoses, or rigid supply pipes, check the available parts in the Mercedes Lines, Hoses and Pipes category.

When selecting used fuel system components, it is worth following OEM numbers and compatibility with the specific engine and body version. For users who want to streamline the purchasing process and reduce the risk of errors, a practical guide will be helpful – Safe purchase of used car parts online – a step-by-step guide, which describes, among other things, selecting parts by number and verifying compatibility.