Renault Trafic III DCi Diesel Pressure Pipes Fuel Injection Lines Set 166846853R

Renault Trafic III DCi Diesel Pressure Pipes Fuel Injection Lines Set is a set of original components from the Pipes, hoses and tubes group, designed for the diesel engine fuel supply system. The set has been specifically engineered for the 1.6 dCi unit, which promotes proper fuel delivery and stable operation of the injection system during daily use.

Specifications and technical data

• SKU: 166846853R
• Mark: Renault
• Condition: Used
• OEM Part Number: 166846853R
• Substitutable numbers: 166846853R
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The presented fuel line set is dedicated to the diesel engine in the third-generation Renault Trafic with the 1.6 dCi unit. It is responsible for the controlled routing of diesel fuel between the components of the supply system, which has a direct impact on the even supply of the injectors, engine smoothness, and starting stability under various conditions.

Thanks to the factory fitment for a specific engine configuration, the pipe layout maintains the correct routing geometry, minimizes the risk of improper installation, and facilitates servicing. This solution is particularly beneficial when performing repairs after interfering with the injection system or when replacing engine auxiliary components.

Set construction and fitment for Renault Trafic III

The fuel line set was developed by the Renault brand as an original component, which translates into compatibility with factory mounting points and system operating parameters. The construction of the pipes is adapted to the characteristics of the diesel engine, including typical operating pressures and temperatures occurring in the engine compartment.

Properly selected diameters and shapes of the pipes help maintain the correct fuel flow, reducing pressure drops and unwanted turbulence. In practice, this translates into a more predictable throttle response and stable combustion parameters, which is important for both fleet operations and private use.

Performance characteristics and advantages of use

In the case of diesel engines, the proper condition of fuel lines is crucial for safety and reliability. Using a complete set dedicated to the Renault Trafic III 1.6 dCi allows you to:

• reduce the risk of leaks in the supply system,
• maintain stable fuel pressure within the typical operating ranges of the unit,
• preserve the factory routing of the pipes in the engine compartment,
• facilitate diagnostics and service thanks to the predictable installation path.

The product comes from the segment of used original parts, which for many users represents a reasonable compromise between repair costs and maintaining the factory specification of the fuel system. This solution is particularly attractive for maintenance repairs and when restoring vehicle efficiency after a failure.

Professional use in service and retrofits

Due to its intended use for a diesel unit, the fuel line set works well both in standard service repairs and in more advanced work related to upgrading or restoring the completeness of the fuel supply system. Mechanics will appreciate the predictable fit to the vehicle's design and the ability to install it based on factory mounting points.

If you are interested in a broader context of using original dismantled parts for retrofitting and upgrading cars, it is worth checking out the guide on retrofitting – you will find practical tips in the article on professional retrofitting with used parts from higher equipment versions.

Expanding the Renault fuel system – related components

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

Summary

Renault Trafic III DCi Diesel Pressure Pipes Fuel Injection Lines Set is a practical solution for users and service centers that want to maintain the factory operating characteristics of a diesel engine while optimizing repair costs. Original origin, fitment to a specific engine unit, and the completeness of the set make it a functional choice for work related to the fuel supply system in the third-generation Renault Trafic.