Land Rover Discovery Sport L550 Fuel Injector Pipe Line 2.0 204DTD G4D3-2D280-AA

Land Rover Discovery Sport L550 Fuel Rail 2.0 204DTD G4D3-2D280-AA is a fuel system component designed for diesel engines, responsible for the precise distribution of fuel to the injectors. By maintaining factory geometry and flow parameters, the rail ensures stable operating pressure, which translates to smooth engine operation. This is a practical solution for users seeking a proven component for the common rail system in their Discovery Sport.

Specifications and technical data

• SKU: LR073706
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR073706
• Substitutable numbers: LR073706, G4D32D280AA, G4D3-2D280-AA, 0281006464, 0 281 006 464, 0445214332, 0 445 214 332
• Fuel type: Diesel
• Part type: Fuel Injector
• Category: Fuel Injectors

Purpose and Function in the Fuel System

The described fuel rail is designed to work with the diesel engine in the Discovery Sport L550, specifically the 2.0 204DTD version. Its task is to evenly distribute high-pressure fuel to individual injectors, which is crucial for stable engine operation, smooth running, and reduced vibration and noise. A properly selected rail helps maintain correct combustion parameters, contributing to power retention and reduced fuel consumption.

Diesel engines are particularly sensitive to pressure fluctuations in the common rail, so using a component constructed according to the vehicle manufacturer's requirements helps minimize the risk of starting problems, performance drops, or uneven idling. A correctly selected fuel rail is an essential element of preventative maintenance against costly failures of the entire injection system.

Compatibility and Technical Specifications

The rail is intended for use with Diesel injection systems, meaning it is resistant to high operating pressures and the demanding working conditions characteristic of diesel engines. Its construction is adapted to the architecture of the 2.0 204DTD unit in the Land Rover Discovery Sport L550, allowing it to be installed in place of the factory component without the need for fuel system modifications.

The product has a dedicated OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with specific engine versions and vehicle model years. It is advisable to compare the markings with your vehicle's data before purchasing to ensure full compatibility with the existing injection system.

Performance Characteristics and Benefits of Use

Choosing this fuel rail allows for the restoration of correct fuel system operating parameters in a diesel engine, especially in cases of previous fuel pressure issues or unstable engine operation. Stable injector supply contributes to improved throttle response, reduced smoke, and maintained even combustion across the entire RPM range.

The main benefits of using this component include:

• maintaining correct fuel pressure in the common rail,
• smoother engine operation across the entire load range,
• reduced risk of overloading injectors and the high-pressure pump,
• support for proper engine control system operation.

As a part of the Injector Nozzles category, the rail works directly with the injectors, forming a cohesive system responsible for precise fuel metering. The proper condition of this component therefore has a direct impact on the durability of other elements in the injection system.

Product Condition and Application in Service Practice

The offered fuel rail is a used component, representing a reasonable compromise between repair cost and maintaining near-factory parameters. This type of component is often chosen for comprehensive service work on the fuel system when multiple parts need to be replaced simultaneously. Selecting the appropriate rail helps reduce vehicle downtime and restore its full functionality in daily operation.

If you are planning a comprehensive repair or upgrade of the engine area in your Land Rover and need other parts from the same group, such as rails, lines, or injector supply components, check the available parts in the Land Rover Injector Nozzles category.

Technical Support and Knowledge of the Injection System

When selecting a fuel rail for a diesel engine, it is worth paying attention to symptoms typical of injection system malfunctions, such as starting difficulties, power loss, or uneven idling. A detailed discussion of symptoms and potential consequences of neglect can be found in the article Diesel Injector Faults – How to Recognize Them and What Their Neglect Entails, which helps to better understand the relationships between the condition of the rail, injectors, and other system components.

If you are considering using aftermarket components for your vehicle, it is also worth reading the guide Used Parts – Your Guide to the Best Offers in an Automotive Store, which describes how to make informed choices about used parts and what to look for when installing them in a professional service center.