Renault Trafic III Vivaro B 1.6 DCI Diesel Fuel Return Spill Line 130C20393R

Renault Trafic III Vivaro B 1.6 DCI Diesel Fuel Return Spill Line is an original diesel fuel system component designed for Diesel engines. Engineered as a factory-spec Renault part, it ensures the proper return of fuel from the fuel rail or injectors to the tank, which stabilizes the operation of the entire system. This is a practical solution for users who want to maintain the correct performance parameters of the engine without the risk of incompatibility.

Specifications and technical data

• SKU: 130C20393R
• Mark: Renault
• Condition: Used
• OEM Part Number: 130C20393R
• Substitutable numbers: 130C20393R, 166719938R
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and technical function

The offered fuel return line is dedicated to vehicles from the Renault Trafic III family and related Vivaro B models with diesel engines. Its task is to safely drain excess diesel fuel from the fuel injection system components back to the tank, which reduces fuel overheating and supports stable operating pressure.

A properly selected return line:

• prevents leaks in the Diesel fuel circuit,
• reduces the risk of air entering the injection system,
• supports uniform injector operation under variable engine loads.

Construction and fitment to the fuel system

As an element from the Lines, hoses and pipes group, the fuel return line has been designed for specific routing in the engine bay, taking into account factory mounting points. Properly selected connection diameters and line geometry facilitate installation and minimize stress during engine operation.

Thanks to a design consistent with the manufacturer's solutions:

• the line works with original quick-connectors and injection system components,
• the correct routing path relative to other components in the engine bay is maintained,
• the risk of chafing and damage resulting from engine vibrations is reduced.

Performance characteristics and installation benefits

The fuel return line for Diesel engines in the Renault Trafic III and Vivaro B allows for the restoration of proper fuel circulation in situations where the existing component is leaking, perished, or mechanically damaged. Replacing it with an original line from the same design group reduces the risk of starting problems, power loss, or unstable idle speed.

Key benefits include:

• maintaining the factory performance characteristics of the fuel system,
• better compatibility with engine accessories than with random aftermarket replacements,
• suitability for professional service repairs where compliance with manufacturer documentation is essential.

Component condition and service application

The offered line is primarily used in fuel system repairs when it is necessary to replace a worn or damaged section of the fuel return. A used, original component allows for an economical repair while maintaining compliance with factory design solutions, which is particularly important in modern high-pressure diesel engines.

For workshops and individual users, this means the ability to restore proper fuel system operation without the need to interfere with other components, while maintaining the consistency of parts used from a single manufacturer.

If you are planning a comprehensive repair or upgrade of the fuel system area in your Renault and need other elements from the same group, such as flexible hoses, rigid pipes, or fuel return sections, check out the available parts in the Renault lines, hoses and pipes category.

To better plan repairs and maintain a favorable vehicle value for resale, it is worth learning about the impact of using original used components – you can find more on this topic in the article Original used parts vs. car resale value – how not to lose money?.