Range Rover L405 Intercooler Radiator Air Cooler 4.4 TDV6 CPLA-9L440-AC

Range Rover L405 Intercooler Radiator Air Cooler 4.4 TDV6 is an original intake system component designed to effectively lower the temperature of compressed air. Thanks to its factory design, Land Rover ensures stable engine performance, and this used component allows for an economical yet technically sound repair without compromising on fitment.

Specifications and technical data

• SKU: CPLA-9L440-AC
• Mark: Land Rover
• Condition: Used
• OEM Part Number: CPLA-9L440-AC
• Substitutable numbers: LR036432, CPLA-9L440-AC, CPLA9L440AC
• Part type: Intercooler
• Category: Intercoolers

Purpose and function in the turbocharging system

The presented intercooler has been designed to work with the 4.4 TDV6 unit in the Range Rover L405 model, where it is responsible for the intensive cooling of air compressed by the turbochargers. Lowering the intake air temperature increases the density of the air-fuel mixture, which supports proper power output, smooth operation, and stable combustion parameters in the diesel engine.

Thanks to a design that meets the manufacturer's requirements, the intake system maintains its factory flow characteristics, which is crucial both for the stock engine control unit software and for the durability of other auxiliary components.

Construction and fitment for Range Rover L405

The intercooler was developed as an original Land Rover part, which means it maintains the correct geometry of the channels, connection ports, and mounting points. This facilitates installation in the engine bay without the need for modifications and reduces the risk of leaks in the turbocharging system.

In practice, this means that it:

• fits the factory brackets and supports in the L405 body,
• works with original pressure hoses and clamps,
• maintains the correct direction of airflow through the radiator core.

Such fitment is particularly important in modern diesel engines, where even minor leaks can cause a loss of power, increased fuel consumption, or error codes stored in the ECU.

Benefits of using a pre-owned intercooler

Choosing a used intercooler for the Range Rover L405 is a solution that allows for a significant reduction in repair costs while maintaining the original part specifications. The factory origin of the component promotes long-term operation and predictable performance under demanding thermal and pressure conditions.

In the context of operating a premium SUV, the following are particularly important:

• stable charge air cooling during loaded driving,
• maintaining an appropriate thermal safety margin for the 4.4 TDV6 engine,
• reducing the risk of intake air overheating in high ambient temperatures.

If you want to better understand the impact of temperature on the efficiency of the cooling and intake system, it is worth checking out our guide: how summer heat affects radiators, fans, and the economical operation of used components.

Application in service practice

The intercooler from this offer is suitable both for a standard replacement of a damaged part and for a comprehensive rebuild of the turbocharging system in the 4.4 TDV6 engine. Thanks to the preservation of the original design, it is possible to restore correct operating parameters without interfering with the control software.

When planning a repair, it is also worth considering other elements from the cooling system and related components exposed to high temperatures group to ensure a consistent service result and reduce the risk of further vehicle downtime.

Summary

Range Rover L405 Intercooler Radiator Air Cooler 4.4 TDV6 is a used, original intake system component that allows you to restore proper compressed air cooling in your diesel engine. Proper fitment to the Land Rover design, maintenance of factory flow characteristics, and a favorable cost-to-functionality ratio make this a sensible choice for repairing or upgrading the turbocharging system in a Range Rover L405.