Range Rover L405 Turbo Intercooler Line Hose Pipe 4.4 Diesel CPLA-6K769-CA

Range Rover L405 Turbo Intercooler Hose 4.4 Diesel CPLA-6K769-CA is a specialized component of the boost system, designed for diesel engines. It is responsible for the safe routing of compressed air between the turbocharger and the intercooler, which directly impacts the stable operation of the power unit and the vehicle's performance.

Specifications and technical data

• SKU: LR048455
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR048455
• Substitutable numbers: CPLA-97F88-DE, CPLA97F88DE, LR048455
• Fuel type: Diesel
• Part type: Pipe
• Category: Hoses, Lines & Pipes

Purpose and Function in the Boost System

The offered hose belongs to the category of Hoses, Tubes, and Pipes and is a component of the intake system in a diesel engine. Its task is to maintain a sealed flow of compressed air under variable pressure, which translates to proper cylinder filling and efficient utilization of boost.

In a compression-ignition engine, such as the 4.4 Diesel unit, stable airflow is crucial for:

• maintaining adequate boost pressure across the entire RPM range,
• limiting power drops resulting from hose leaks or deformation,
• preserving the correct operation of the engine control system, which relies on precise airflow measurements.

Technical and Constructional Characteristics

The hose is part of the original intake system for the Range Rover brand, meaning it is designed to fit the engine bay geometry and is compatible with original mountings. The hose's construction is engineered for operation in the high-temperature and variable-pressure environment typical of turbocharged diesel engines.

Key functional features include:

• a profile adapted to the turbo-intercooler system, minimizing flow turbulence,
• resistance to thermal loads present in a diesel engine bay,
• suitability for compressed air operation, which reduces the risk of cracks and leaks at typical operating pressures.

Thanks to these features, the hose helps maintain stable boost system operating parameters, which is important for both performance and the longevity of other components, such as the turbocharger or intercooler.

Benefits of Using an Original Turbo Intercooler Hose

Using a hose that conforms to the factory specifications in a Range Rover L405 with a diesel engine offers a range of practical benefits:

• guaranteed fit for the intake system – no need for modifications, cutting, or adapting universal parts,
• preservation of the engine's original operating characteristics – proper airflow promotes smooth torque delivery,
• reduced risk of leaks-related failures – a correctly chosen hose minimizes the risk of power loss, excessive smoke, or the engine entering limp mode,
• compatibility with other system components – seamless integration with factory clamps, spigots, and mountings.

This solution is particularly beneficial for users who wish to maintain their vehicle in a configuration close to the original, without experimenting with aftermarket parts of uncertain flow characteristics.

Used Condition and Operational Aspects

This component comes from the secondary market, allowing for an economical repair of the boost system while retaining a component with specifications close to the original. A used turbo intercooler hose is a good choice in situations where the existing element has suffered mechanical damage, delamination, or shows signs of leakage under load.

Before installation, it is recommended to:

• verify the condition of the sealing surfaces on the mating spigots,
• inspect clamps and mountings for wear or corrosion,
• check the correct routing of the hose after installation to avoid rubbing against other components in the engine bay.

Range Rover Hoses, Tubes, and Pipes – Selecting the Right Components

If you also need other hoses from the Hoses, Tubes, and Pipes category dedicated to this brand, check out the Range Rover hoses, tubes, and pipes available in our assortment to find complete solutions for your intake, cooling, or fuel system.

More About Used Car Parts

If you want to better understand how to make informed choices when selecting parts from the secondary market and what to look for when purchasing components like boost system hoses, read the article Used Car Parts: Myths and Facts You Need to Know, which dispels common doubts regarding the quality and reliability of used components.