Renault Trafic III Opel Vivaro B 1.6 DCi Clamp Jaw Fuel Injector Set 166506457R

The Renault Trafic III 1.6 DCi Injector Holder Bracket is a specialized component of the diesel engine fuel system, responsible for securely mounting the injector in the cylinder head. Precise injector seating is crucial for proper fuel atomization, smooth engine operation, and the durability of the entire injection system.

Specifications and technical data

• SKU: 166506457R
• Mark: Renault
• Condition: Used
• OEM Part Number: 166506457R
• Substitutable numbers: 166506457R
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Function in the Injection System

The injector holder bracket in a Renault Trafic III 1.6 DCi diesel engine is responsible for rigidly and axially pressing the injector into its seat in the cylinder head. Proper seating eliminates leaks at the sealing washer, reduces exhaust blow-by, and ensures stable operating conditions for the injector tip.

Secure injector mounting translates to:

• maintaining the correct angle and depth of the tip's seating in the combustion chamber,
• even atomization of diesel fuel within the cylinder,
• reducing the risk of damage to the injector seat and the injectors themselves,
• more repeatable combustion parameters and stable engine operation.

Benefits of Using an Original Injector Holder Bracket

Using a dedicated injector holder for the Renault Trafic III 1.6 DCi allows for the preservation of the factory mounting geometry and appropriate connection rigidity. In practice, this means:

• better fuel system sealing compared to structurally unsuitable parts,
• reduced vibration transmitted to the injector, which contributes to its durability,
• less risk of the mounting loosening during vehicle operation,
• easier diagnostics and servicing of the fuel system due to maintaining the original mounting method.

This solution is particularly important in modern diesel engines, where the precision of fuel metering and the repeatability of injection cycles directly impact performance, fuel consumption, and exhaust emissions.

Product Characteristics and Installation

The Renault Trafic III 1.6 DCi Injector Holder Bracket belongs to the group of components referred to as injector nozzles, which are components directly related to injector mounting and operation. The bracket's design is adapted to the specific shape of the injector and the seat in the diesel engine's cylinder head, facilitating correct positioning during installation.

When replacing the bracket, it is recommended to:

• thoroughly clean the injector seat and mating surfaces,
• check the condition of the mounting bolts and threads in the cylinder head,
• use appropriate tightening torques according to service documentation,
• verify sealing after installation (no blow-by, no fuel leaks).

A correctly installed bracket supports even operation of all cylinders and facilitates subsequent servicing, such as injector removal for cleaning or testing.

Why it's Important to Maintain the Injector Holder's Condition in a Diesel Engine

In diesel engines, any play or deformation in the injector mounting can lead to a range of operational problems. These include, among others, uneven idling, power loss, increased smoke, or localized overheating of the injector seat. In extreme cases, neglecting these symptoms can result in costly cylinder head repairs.

If you want to better understand how injector problems in a diesel engine manifest and what the consequences of ignoring them are, it is worth reading the article: Diesel Injector Faults – How to Recognize Them and What Their Neglect Threatens. This provides practical knowledge for planning fuel system repairs.

Other Renault Injector Nozzles

If you also need other components from the Renault injector nozzles category for your vehicle, check the available assortment using the link: Renault injector nozzles. This will allow you to easily select compatible components from the same manufacturer and maintain the consistency of the entire injection system.