Land Rover Discovery 3 L319 High Pressure Fuel Pump 2.7 TDV6 Diesel LR009804

Land Rover Discovery 3 L319 High Pressure Fuel Pump 2.7 TDV6 Diesel is a component from the Fuel pumps and level sensors category, designed for the diesel engine supply system. This original used part allows you to restore the proper fuel supply to the engine unit without the need to invest in a new component, while maintaining the factory operating parameters of the fuel system.

Specifications and technical data

• SKU: LR009804
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR009804
• Substitutable numbers: LR009804, 4S7Q-9B395-AJ, 4S7Q9B395AJ
• Fuel type: Diesel
• Part type: Fuel Pump
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The described fuel pump is dedicated to the diesel engine in the Land Rover Discovery 3 L319 with the 2.7 TDV6 unit. It is responsible for the stable delivery of diesel fuel from the tank to the subsequent elements of the system, which translates into smooth engine operation, correct starts, and proper response to load.

As an element from the Fuel pumps and level sensors category, it works with other components of the supply system, ensuring proper fuel flow and preparation for further processing in the injection system.

Benefits of using an original diesel pump

Using an original fuel pump in a diesel engine allows you to maintain the factory operating characteristics of the 2.7 TDV6 unit. The design selected by the vehicle manufacturer ensures:

• adequate performance across the full RPM range,
• stable injection system supply pressure,
• consistency with the factory fuel system architecture.

As a result, the pump is a reasonable solution for maintenance repairs when symptoms such as difficult starting, power loss, or unstable idling occur.

Installation characteristics and compatibility

The fuel pump is designed for the diesel fuel supply system, which means full compliance with the requirements of the 2.7 TDV6 diesel engine. Proper fitment to the fuel installation in the Discovery 3 L319 facilitates installation and limits the need for additional modifications.

The presence of the OEM part number and available replacement numbers (visible in the technical specification) facilitates verification of compatibility with a specific vehicle version, as well as the selection of parts by VIN number or manufacturer markings.

Using a used part in service practice

A used diesel fuel pump is often chosen as an economical solution for fuel system repairs, especially in vehicles that are used intensively or have higher mileage. It allows for reduced service costs while maintaining the original design and fitment to the vehicle.

Before installation, a standard workshop procedure is recommended: checking the fuel installation, filters, and line tightness so that the newly installed element can operate under proper conditions and is not exposed to contamination or air in the system.

Technical support and part selection

In case of doubts regarding the compatibility of the fuel pump with a specific version of the Discovery 3 L319, it is worth using the OEM part number or replacement numbers visible in the specification, as well as vehicle data (engine, production year, equipment version). Such an approach minimizes the risk of selecting the wrong element and speeds up the repair process.

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

For drivers who work more frequently with vehicle electronics and want to better understand the principles of selecting used components, a guide on our blog may be useful – more information can be found in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.