Land Rover Discovery 4 L319 Fuel Injector 3.0 Diesel 30DDTX 9X2Q-9K546-DC

Visual condition of the part

The product shows signs of use visible in the photos.

Land Rover Discovery 4 L319 Fuel Injector 3.0 Diesel 30DDTX is an original fuel system component designed for diesel engines, ensuring precise fuel delivery. This used part from the Fuel injector nozzles category allows for a technically correct repair of the injection system without the need for aftermarket replacements. It is a solution for users expecting stable engine performance and compliance with factory specifications.

Specifications and technical data

• SKU: 9X2Q-9K546-DC-1
• Mark: Land Rover
• Condition: Used
• OEM Part Number: 9X2Q-9K546-DC
• Substitutable numbers: 9X2Q-9K546-DC, 9X2Q9K546DC
• Fuel type: Diesel
• Part type: Fuel Injector
• Category: Fuel Injectors

Purpose and function of the fuel injector

The presented fuel injector is a component of the diesel engine fuel system, responsible for the precise atomization of fuel in the combustion chamber. In the 3.0 Diesel 30DDTX engine, the use of the correct injection nozzle is crucial for smooth engine operation, proper cold starts, and maintaining appropriate combustion parameters.

A properly selected fuel injector helps reduce smoke, rough idling, and power loss, while also supporting the maintenance of correct fuel consumption. By maintaining the factory spray characteristics, it is possible to maintain stable engine performance in the Land Rover Discovery 4 L319.

Benefits of using an original fuel injector nozzle

Using an original fuel injector in a diesel engine provides a number of practical operational benefits:

• preservation of factory fuel dosage and injection pressure characteristics,
• better compatibility with the factory engine control unit,
• reduction of the risk of diagnostic errors related to improper injection,
• the ability to restore proper engine operation after the failure of one of the injectors.

For users who value predictable vehicle behavior, it is important that the original fuel injector nozzle maintains parameters consistent with the manufacturer's design, which facilitates subsequent diagnostics and service.

Diesel 3.0 30DDTX engine – requirements for the injection system

The 3.0 Diesel 30DDTX engine operates based on a high-pressure injection system, in which each injector must maintain proper sealing and spray characteristics. The correct selection of the component affects:

• stable idle speed,
• proper throttle response,
• reduction of engine vibration and noise,
• maintaining exhaust emissions within the limits intended for the given model.

In a vehicle such as the Land Rover Discovery 4 L319, often used in varied conditions, a functional injection system is particularly important for engine durability and driving comfort.

Part condition and service application

The offered fuel injector is a used component, which allows for an economical repair of the fuel system while maintaining the original specification. This type of part works well as a replacement for a damaged injector in situations where you want to maintain the factory engine configuration without investing in a complete new set.

Before installation, it is recommended to perform standard fuel system diagnostics and verify the injector's operating parameters at a service station. Proper installation and potential adaptation in the engine control unit are crucial for achieving full functionality.

Technical support and additional materials

To better understand the symptoms of wear in fuel system components and the consequences of neglecting them, it is worth reading the guide: Diesel injector faults – how to recognize them and the risks of neglecting them. The article discusses typical symptoms, possible consequences, and basic diagnostic methods, which makes it easier to make a decision about replacing the injector.

If you are planning a comprehensive repair or upgrade of the injection system area in your Land Rover and need other components from the same group, such as additional injectors, spray nozzles, or auxiliary fuel system components, check the available parts in the Land Rover Fuel injector nozzles category.