Land Rover Discovery 4 L319 Fuel Pump 3.0 Diesel 24V TDV6 AH2QB395AF 0445010833

Land Rover Discovery 4 L319 Fuel Pump 3.0 Diesel 24V TDV6 is a fuel system component designed for diesel engines, ensuring stable fuel delivery at the correct pressure. Thanks to its design compliant with the Land Rover manufacturer's standards, the pump works with the factory installation without the need for modifications. This is a solution for users expecting predictable engine performance and correct injection characteristics in the 3.0 Diesel TDV6 engine.

Specifications and technical data

• SKU: LR078840
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR078840
• Substitutable numbers: LR078840, AH2Q9B395AF, AH2Q-9B395-AF, 0445010833, 0 445 010 833
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The described pump belongs to the Fuel pumps and level sensors group and is responsible for delivering diesel fuel to the injection system in a diesel engine. A properly selected component in this area is crucial for:

• maintaining proper fuel pressure across the entire load range,
• stable starting of the 3.0 Diesel TDV6 unit,
• smooth engine operation at both low and high RPM,
• reducing the risk of power drops and jerking during acceleration.

The pump works with a Diesel fuel system, which means it is adapted to the characteristics of high-pressure injectors and the specific operation of TDV6 units used in the Land Rover Discovery 4 L319.

Compatibility and selection by part numbers

This model is an original solution from the Land Rover range, designed to work with a specific engine and fuel system configuration. Selection is based on the OEM part number and available interchangeable numbers, which facilitates verification of compatibility with a specific version of the Discovery 4 L319. This allows for precise matching of the component to the vehicle, minimizing the risk of installation and system operation issues.

To better understand the principles of selecting components by OEM and reference numbers, it is worth checking out the guide on our blog: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?. Although the article focuses on electronics, the principles of identification by numbers and compatibility verification described there are also helpful when selecting fuel system components.

Operating characteristics in the 3.0 Diesel TDV6 engine

The 3.0 Diesel TDV6 engine in the Land Rover Discovery 4 L319 requires precise fuel delivery, especially during dynamic driving and operation under load. Using the appropriate fuel pump allows you to:

• maintain the correct fuel dosage across the entire RPM range,
• preserve the refinement of the TDV6 unit,
• reduce the risk of system aeration and pressure drops,
• support the correct operation of engine management systems.

Thanks to its design adapted to 24V installations and Diesel characteristics, the pump works with the factory electronics and engine accessories, which helps maintain parameters close to factory specifications.

Condition, origin, and service application

The item is offered as a used part, which is a cost-effective solution while maintaining compliance with the factory Land Rover specification. This type of component is particularly useful in:

• fuel system repairs following a pump failure or mechanical damage,
• servicing vehicles operated in difficult off-road conditions,
• restoring the efficiency of the 3.0 Diesel TDV6 engine after fuel pressure issues.

Choosing an original pump from the secondary market allows you to maintain the structural integrity of the fuel system, which is important for the durability and predictability of the engine's operation.

Expanding the fuel system in Land Rover

If you are planning a comprehensive repair or upgrade of the fuel system area in your Land Rover and need other elements from the same group, such as additional pumps, power modules, or fuel level sensors, check out the available parts in the Land Rover fuel pumps and level sensors category.