Land Rover Discovery 4 L319 EGR Valve Pipe Hose 3.0 TDV6 Diesel 9X2Q-9H449-EA

The Land Rover Discovery 4 L319 EGR Pipe 3.0 TDV6 Diesel is an exhaust gas recirculation system component specifically designed for the 3.0 TDV6 diesel engine. It is responsible for the stable routing of exhaust gases between the EGR valve and other components, supporting the proper operation of the engine unit and maintaining emissions compliance. Thanks to its design matching factory solutions, it ensures correct geometric fit and predictable performance under the operating conditions typical for Discovery 4 models.

Specifications and technical data

• SKU: LR013587
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR013587
• Substitutable numbers: LR013587, 9X2Q-9H449-EA, 9X2Q9H449EA
• Fuel type: Diesel
• Category: EGR Parts & Valves

Purpose and Role in the EGR System

The EGR pipe in the 3.0 TDV6 Diesel engine is responsible for the controlled flow of exhaust gases from the exhaust system to the intake, where they are redirected back into the combustion process. A properly selected component:

• maintains the seal of connections at high operating temperatures of the system,
• ensures stable exhaust gas flow without unwanted turbulence,
• reduces the risk of leaks resulting in power loss or engine control unit errors,
• supports the correct operation of the EGR valve and the entire emission reduction system.

For diesel engines, a properly functioning EGR pipe directly impacts engine running smoothness, fuel consumption, and exhaust smoke levels.

Fitment for Land Rover Discovery 4 L319

The offered pipe has been designed with the engine bay architecture of the Land Rover Discovery 4 L319 with the 3.0 TDV6 Diesel unit in mind. This means:

• maintaining the correct routing of the pipe relative to engine accessories,
• compatibility with the factory EGR valve and other system components,
• appropriate length and shape matched to the standard mounting points.

This allows for installation that is similar to factory standards, without the need for modifications to other components.

Technical and Operational Characteristics

The EGR pipe operates in a demanding environment of high temperatures and variable pressures typical for diesel engines. The proper design of this component:

• reduces the risk of cracks and deformations resulting from heating and cooling cycles,
• ensures adequate rigidity while maintaining necessary installation flexibility,
• minimizes the possibility of leaks at the connections with the EGR valve and manifold.

For the user, this means more predictable operation of the exhaust gas recirculation system and a lower risk of EGR-related errors in the engine control unit.

Application in Diesel Engines

In diesel engines, such as the 3.0 TDV6, the EGR system is particularly important for controlling nitrogen oxide emissions and optimizing the combustion process. A properly selected pipe:

• supports stable operation of the EGR system across the full range of engine loads,
• helps reduce excessive soot buildup in the intake manifold,
• contributes to maintaining engine operating parameters close to factory levels.

For workshops and users, this means the possibility of effectively repairing the exhaust gas recirculation system without interfering with the engine's construction.

Condition and Benefits of Choosing a Used Part

The offered EGR pipe is a used part, allowing for economical repair of the system while maintaining compliance with factory solutions. In many cases, using a proven used part is a favorable compromise between cost and functionality, especially in vehicles used intensively or with higher mileage.

EGR System Expansion in Land Rover

If you are planning a comprehensive repair or upgrade of the engine area in your Land Rover and need other parts from the same group, such as pipes, valves, or additional exhaust gas recirculation components, check the available parts in the Land Rover EGR Valves and Parts category.

Technical Support and Service Knowledge

When planning service work, it is advisable to consider the overall condition of the powertrain, suspension, and accessories to avoid repeat visits to the workshop. For guidance on repair strategies and assessing the cost-effectiveness of using used parts in other components, the blog article Standard vs. Sport Suspension – Construction Differences and Is It Worth Buying Used Suspension Parts?, which discusses a practical approach to regenerating and replacing components in everyday vehicles, can be helpful.