Land Rover Discover 4 L319 Fuel Pipe Hose Line 306DT Diesel AH22-9E964-AB

Land Rover Discover 4 L319 Fuel Pipe Hose Line 306DT Diesel is an original fuel system component designed for the 306DT diesel engine. Thanks to its factory geometry and precise fit for the specific powertrain, it ensures stable fuel delivery, supporting safe and consistent operation of the injection system in your Land Rover. This is the solution for users who are looking for a proven fuel line instead of random aftermarket replacements.

Specifications and technical data

• SKU: AH22-9E964-AB
• Mark: Land Rover
• Condition: Used
• OEM Part Number: AH22-9E964-AB
• Substitutable numbers: AH22-9E964-AB, AH229E964AB
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and role in the fuel system

The fuel line in the 306DT engine is responsible for the precise delivery of diesel fuel to the appropriate components of the supply system. In the case of diesel engines, stable pressure and the tightness of the lines are of key importance for smooth operation, performance, and the correct functioning of the injectors.

The fuel line in question has been designed specifically for the Discover 4 L319 model, which means it matches the factory routing, brackets, and mounting points in the engine bay. This reduces the risk of stress, chafing, and leaks resulting from incorrect positioning of the component.

Benefits of using an original fuel line

Using a fuel line dedicated to a specific diesel engine brings measurable operational benefits:

• maintaining proper fuel flow across the entire load range of the 306DT unit,
• better compatibility with the factory mounting system and covers in the Discover 4 L319,
• reducing the risk of fuel leaks resulting from mismatched diameters or shapes of the line,
• maintaining stable injection system performance parameters in the diesel engine.

For off-road vehicles and SUVs, such as the Discover 4, which often operate in varying load and temperature conditions, a properly selected fuel line is essential for long-term reliability.

Characteristics of the used component

The offered fuel line comes from a group of used parts, which allows for lower repair costs while maintaining the original design. In the case of components such as fuel lines, it is particularly important that they come from a reliable source and comply with Land Rover's factory specifications. Choosing an original, used component is often a sensible alternative to cheap, unverified replacements of uncertain durability.

Integration with the 306DT diesel system

The 306DT engine is a diesel unit in which the fuel system operates under significant load. The fuel line must be resistant to operating pressure, engine bay temperatures, and vibrations transmitted from the powertrain and body. A properly selected element from the Lines, hoses, and pipes category helps maintain stable operating parameters, which translates into even combustion and correct response to load.

Proper routing of the fuel line along the engine and body is also important for safety – it minimizes the risk of contact with hot components and moving parts of the equipment. The original mounting system and the shape of the line facilitate maintaining the factory fuel routing path.

System expansion – related components

If you are planning a comprehensive repair or upgrade of the engine area in your Land Rover and need other elements from the same group, such as additional fuel lines, flexible hoses, or metal supply pipes, check out the available parts in the Land Rover lines, hoses, and pipes category.

When planning broader service work, it is also worth considering the use of proven recycled components in other vehicle systems. You can find more about the safe selection of used parts and repair cost optimization in the article: Brake calipers under the microscope – how to reduce brake system repair costs by choosing proven recycled parts.