Renault Trafic 2.0 DCI Diesel Fuel Injection Line Return Pipe Hose 8200894668

The Renault Trafic 2.0 DCI Injector Return Hose is a fuel system component designed for diesel engines, responsible for safely returning excess fuel from the injectors. A correctly selected return hose stabilizes injector operation, supports uniform fuel supply, and reduces the risk of leaks in the common rail system.

Specifications and technical data

• SKU: 8200894668
• Mark: Renault
• Condition: Used
• OEM Part Number: 8200894668
• Substitutable numbers: 8200894668
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Function in the Injection System

The fuel injector return hose in the Renault Trafic 2.0 DCI is responsible for draining excess diesel fuel from the injector bodies back into the fuel system. This allows for:

• stabilizing the working pressure in the injector rail, which promotes even fuel delivery,
• reducing injector overheating by draining excess fuel,
• minimizing the risk of air ingress into the fuel system when operating on diesel fuel,
• enhancing engine running smoothness by maintaining consistent injection parameters.

In Diesel engines, a functional return hose directly impacts ease of starting, smooth idling, and reduced smoke under load.

Construction and Performance Parameters

The offered component belongs to the injector nozzles group, meaning it is designed for operation in close proximity to precise injection components. The hose's construction is adapted to the conditions within a diesel engine's fuel system, such as:

• contact with diesel fuel at varying operating temperatures,
• vibrational loads resulting from the diesel engine's operation,
• limited installation space within the Renault Trafic 2.0 DCI engine bay.

Selecting the correct return hose is crucial for maintaining seal integrity and proper fuel flow between the injectors and the return line.

Benefits of Using an Original Renault Part

The return hose dedicated to the Renault Trafic 2.0 DCI, from the Renault line, ensures:

• factory-matched geometric fit to the specific engine's injection system,
• compatibility with the injectors used in this diesel engine model,
• consistency with the original fuel system design, eliminating the need for modifications or adaptations.

This allows for an organized installation process and reduces the risk of stress on injector spigots and hose connections.

Component Condition and Service Application

The offered return hose is a used part, making it an attractive service solution when a reasonable repair cost is desired while maintaining proper functionality. This type of component is particularly useful when:

• the existing hose shows signs of leakage (traces of leaks, fuel smell in the engine bay),
• there are problems with starting a warm engine, which may be caused by a leaking return circuit,
• comprehensive servicing of the injection system, including injector removal, is required.

Replacing the return hose as part of a package of other service activities helps reduce the risk of recurring fuel system issues.

Diagnostics and Technical Knowledge

When experiencing issues with a diesel engine's injection system, it's beneficial to be aware of common symptoms of wear and leaks. Detailed information on failure symptoms and the potential consequences of neglect can be found in the article: Diesel Injector Failures – How to Recognize Them and What Neglecting Them Entails. This provides practical knowledge to supplement your understanding when planning the replacement of the return hose and other fuel system components.

Other Renault Injector Nozzles

If you are also looking for other Renault injector nozzles for expanding or comprehensively repairing your fuel system, check out our dedicated category: Renault injector nozzles. This will help you easily select related components within the same brand and category, simplifying the planning of the full scope of service work.