Land Rover Discovery 3 L319 Fuel Injector Rail Right O/S 2.7 TDV6 4R8Q-9D280-BA

Land Rover Discovery 3 L319 Fuel Injector Rail Right O/S 2.7 TDV6 is a fuel system component designed for the right side of the power unit, specifically engineered for the 2.7 TDV6 diesel engine. The original design ensures proper fuel distribution to the injectors, stable operating pressure, and consistency with the factory architecture of the Land Rover injection system. As a result, this rail provides a solid foundation for professional repairs or restoring the engine performance parameters in the Discovery 3 L319.

Specifications and technical data

• SKU: 4R8Q-9D280-BA
• Mark: Land Rover
• Condition: Used
• OEM Part Number: 4R8Q-9D280-BA
• Substitutable numbers: 4R8Q-9D280-BA, 4R8Q9D280BA, 1357075, 4R8Q9D280BB, 4R8Q-9D280-BB
• Location on the vehicle: Right
• Part type: Fuel Rail (Ramp)
• Category: Additional Fuel Injection Parts

Purpose and function in the injection system

The fuel injector rail on the right side of the engine in the Land Rover Discovery 3 L319 is responsible for evenly supplying the injectors with fuel at the required pressure. It is a key component for maintaining the proper operation of the 2.7 TDV6 unit, influencing engine refinement, dynamics, and combustion stability. Using an original rail allows for maintaining the factory characteristics of the injection system, which translates into predictable vehicle behavior and easier service diagnostics.

Compatibility and identification parameters

The offered fuel injector rail belongs to the Other injection system parts group and was developed specifically for the Land Rover brand. By maintaining factory mounting points and high-pressure line geometry, the component integrates with the existing system without the need for modifications. The product has a dedicated OEM part number and assigned interchangeable numbers, which facilitates clear identification in service catalogs and parts selection systems.

Vehicle placement and installation aspects

The rail is intended for installation on the right side of the power unit, in accordance with the factory design of the injection system in the Discovery 3 L319. Correct placement is important both for routing fuel lines and for maintaining proper clearance from other engine bay components. Using an original element allows for installation based on factory mounting points, which reduces the risk of stress, leaks, and improper line alignment.

Product characteristics and benefits of use

The fuel injector rail for the 2.7 TDV6 engine in the Land Rover Discovery 3 L319 was designed as an OEM part, which means full compliance with the vehicle manufacturer's factory requirements. Maintaining the original injection system specification is particularly important in modern diesel units, where fuel dosing precision and pressure stability have a direct impact on performance, fuel consumption, and emission levels. Using such a component is beneficial both for routine repairs and for comprehensive fuel system overhauls.

Condition and origin

The offered fuel injector rail is a used part, sourced from the dismantling of a Land Rover vehicle. Such components are frequently chosen by workshops and users who are looking for a reasonable compromise between repair costs and maintaining the original technical specification. In the case of injection systems, using OEM parts from the secondary market often allows for better consistency with the factory configuration than non-original replacements.

If you are planning a comprehensive repair or upgrade of the injection system area in your Land Rover and need other elements from the same group, such as rails, lines, or additional fuel system components, check the available parts in the Other Land Rover injection system parts category.

To better understand the advantages of using original secondary market components in injection systems and other assemblies, it is worth reading the article OEM quality assurance and safety – why used original car parts are the best choice for your car?, which discusses in detail the issues of safety, durability, and cost-effectiveness of such solutions.