Range Rover L405 Intercooler Pipe Hose Line Diesel Engine 4.4 SDV8 CPLA-6N650-DB

Range Rover L405 Intercooler Pipe Hose Line Diesel Engine 4.4 SDV8 is an original intake system component, designed specifically for the diesel engines of this series. Thanks to its precise fit to the factory system geometry, it ensures stable routing of compressed air between the intercooler and subsequent intake components, which promotes proper turbocharger operation and maintains factory performance.

Specifications and technical data

• SKU: LR036485
• Mark: Range Rover
• Condition: Used
• OEM Part Number: LR036485
• Substitutable numbers: LR036485, CPLA-6N650-DB, CPLA6N650DB
• Fuel type: Diesel
• Part type: Pipe
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The intercooler pipe in the 4.4 SDV8 diesel engine is responsible for the tight and laminar routing of air cooled in the intercooler to the rest of the intake system. In high-displacement diesel units such as the 4.4 SDV8, boost pressure stability has a direct impact on:

• engine throttle response,
• maintaining proper torque across the entire rev range,
• combustion efficiency and engine refinement.

A properly selected intercooler pipe helps reduce pressure drops, minimizes the risk of leaks, and supports correct interaction with the turbocharger and engine management system.

Compatibility with the 4.4 SDV8 diesel engine

The presented component has been developed with the specifics of the 4.4 SDV8 diesel engine in mind, which features high boost pressure values and increased thermal loads. The pipe design is adapted to:

• air flow characteristics in diesel units,
• operating conditions in the Range Rover L405 engine bay,
• compatibility with the factory intercooler and other intake hoses.

As a result, the consistency of the entire system is maintained, and installation does not require modifications or additional adapters.

Benefits of using an original intercooler pipe

Using an original pipe in the intake system provides measurable operational benefits. Compared to aftermarket replacements of uncertain origin, this component ensures:

• factory fitment to the intake system – correct angles, diameters, and section lengths,
• stable charge air routing under typical loads for the 4.4 SDV8 diesel engine,
• reduced risk of connection leaks during temperature and pressure fluctuations.

For Range Rover L405 users, this means more predictable vehicle behavior, maintenance of performance parameters close to factory specifications, and reduced risk of failures related to the intake system.

Product characteristics and condition

The offered intercooler pipe belongs to the Lines, Hoses, and Pipes group, which are components responsible for transporting working media in the vehicle – in this case, compressed air in a diesel engine. The product is in used condition, which in practice means it has been dismantled from a vehicle, and its construction retains the features typical of original Range Rover equipment.

For many premium vehicle owners, choosing a used intake system component is a reasonable compromise between cost and maintaining original technical specifications. For components such as intercooler pipes, it is particularly important that the geometry and mounting method comply with the factory design – which is exactly what this presented element provides.

Technical support and parts selection

When selecting an intercooler pipe for a Range Rover L405 with a 4.4 SDV8 diesel engine, it is crucial to verify compatibility with the specific engine version and intake system. Vehicle identification data and part numbers, which are presented in the technical specifications section, can be helpful. In case of doubt, it is worth consulting a mechanic or technical advisor to ensure full compatibility with the existing vehicle configuration.

If you are planning a comprehensive repair or upgrade of the engine area in your Range Rover and need other elements from the same group, such as intake pipes, intercooler hoses, or boost system tubes, check the available parts in the Range Rover Lines, Hoses, and Pipes category.

Additionally, to better understand the specifics of the used parts market and make informed purchasing decisions for powertrain-related components, it is worth reading the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses, among other things, the principles of selecting components by OEM numbers and practical aspects of service cost optimization.