Mercedes W203 OM646 Fuel Injector Supply Lines Tank Feed Pipes A6460700532

Mercedes W203 OM646 Fuel Injector Supply Lines Tank Feed Pipes is an original fuel system component designed for the OM646 engine in the W203 C-Class model. Using factory fuel lines ensures stable engine performance, proper fuel circulation, and predictable engine behavior during daily operation. This is the ideal solution for users seeking a proven, compatible component rather than universal replacements.

Specifications and technical data

• SKU: A6460700532-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6460700532
• Substitutable numbers: A6460700532, A 646 070 05 32
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The offered fuel lines are a component of the diesel fuel supply system for the OM646 engine in the W203 chassis. They are responsible for the safe routing of fuel between individual system components, maintaining proper flow, and ensuring connection tightness. Using an original solution from the Mercedes brand allows for maintaining the factory engine characteristics, which is important for both performance and the engine's operating refinement.

Construction and mounting fitment

The fuel lines in this model are profiled for a specific engine-chassis configuration, ensuring their geometry is perfectly matched to the W203 engine bay. Proper routing of the lines minimizes the risk of chafing, excessive vibration, and incorrect positioning near heat-generating components. Using an original wiring harness facilitates installation, as the mounting points, segment lengths, and connection diameters are consistent with the factory design.

Benefits of using original fuel lines

Choosing original fuel lines for the OM646 engine in the W203 primarily ensures predictable compatibility with factory equipment. The lack of need for modifications, adjusting lengths, or connection diameters shortens service time and reduces the risk of leaks. For the user, this means stable supply parameters, a lower risk of starting issues, and smooth engine operation across the full load range.

Characteristics of the used product

The item comes from disassembly, which in practice allows for an economical restoration of the fuel system's efficiency while maintaining the manufacturer's original specifications. A used component is a good choice in situations where maintaining the factory system design is a priority, while simultaneously optimizing repair costs. In the case of fuel lines, it is particularly important that they are structurally compatible with the specific engine and chassis – using an original solution from the same vehicle type meets these requirements.

Support with selection and system expansion

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 flexible supply lines, return sections, or rigid guide pipes, check out the available parts in the Mercedes lines, hoses, and pipes category.

For drivers interested in a broader approach to selecting used components for their car, including assessing the cost-effectiveness of purchasing consumables, the guide article Standard vs. sports suspension – design differences and is it worth buying used suspension parts? may be helpful, as it discusses the practical aspects of choosing used parts in the context of durability and safety.