Honda Civic Jazz Injector Rail Petrol Engine Fuel Injection Unit 16450-RGA-003

The Honda Jazz Petrol Fuel Rail is a precise fuel system component responsible for stable fuel delivery to the injector nozzles in a petrol engine. A properly selected fuel rail supports smooth engine operation, improves driving refinement, and helps maintain correct combustion parameters.

Specifications and technical data

• SKU: 16450-RGA-003
• Mark: Honda (Original OE)
• Condition: Used
• OEM Part Number: 16450-RGA-003
• Substitutable numbers: 16450-RGA-003, 0 280 156 188, BG
• Location on the vehicle: Front
• Fuel type: Petrol
• Category: Fuel Injectors

Purpose and Function of the Fuel Rail

The fuel rail in the Honda Jazz model running on petrol fuel is responsible for distributing fuel to individual injector nozzles. A correctly functioning component ensures:

• stable fuel pressure across the entire engine load range,
• even cylinder fueling, which reduces vibrations and power loss,
• more predictable throttle response and better engine refinement.

Thanks to its proper design, the fuel rail works with the engine control system, helping to maintain an optimal fuel-air mixture and reduce the risk of knocking or excessive fuel consumption.

Construction and Vehicle Placement

The fuel rail in this model is mounted in the front section of the engine bay, which facilitates service access and diagnostics. This placement promotes:

• easier leak testing of the petrol fuel system,
• more efficient injector replacement without the need to dismantle numerous adjacent components,
• better organization of fuel lines and predictable routing of the installation.

The solution used in Honda allows for a compact engine layout while maintaining good access to key fuel injection system components.

Benefits of Using an Original Fuel Rail

Selecting the correct fuel rail for the Honda Jazz directly impacts the durability and safety of the fuel system's operation. Using a component from the injector nozzles category, dedicated to this model, allows for:

• factory fitment to the cylinder head and injectors, without the need for installation modifications,
• compatibility with engine control unit operating parameters, which simplifies adaptation and diagnostics,
• reduced risk of leaks at fuel connection points.

This solution is particularly beneficial for urban driving, where frequent starts and variable engine loads require stable petrol supply.

Characteristics of a Used Part

The offered fuel rail is a used part, which is an attractive solution for drivers looking for a technically sound component at a reasonable price. A used part allows you to:

• reduce the cost of fuel injection system repair while maintaining the original design,
• maintain compliance with factory specifications without resorting to aftermarket alternatives with uncertain parameters,
• preserve the original performance characteristics of the Honda Jazz petrol engine.

This is a good solution when the existing fuel rail has suffered mechanical damage, corrosion, or shows signs of leakage.

Honda Injector Nozzles – Selection and Technical Knowledge

If you are looking for other components from the Honda injector nozzles category, check out the Honda injector nozzles available in our store to select components matched to the specific engine version of your car.

Although the presented fuel rail is intended for a petrol engine, many principles of fuel injection system diagnostics are common to different types of units. It is worth familiarizing yourself with material discussing the symptoms and consequences of incorrect injector operation – you will find it in the article diesel injector faults – how to recognize them and what are the consequences of neglecting them, which helps to better understand the importance of a functional fuel supply system in modern engines.