Range Rover L405 EGR Cooler Housing Unit Radiator 4.4 Diesel AL3Q-9F464-DB

Range Rover L405 EGR Cooler Housing Unit Radiator 4.4 Diesel is an exhaust gas recirculation system component designed for diesel engines, which supports stable engine operation and reduces exhaust emissions. Thanks to the use of a factory design dedicated to this model, the cooler works with the EGR system in a predictable and safe manner for other components. It is a practical solution for users looking for a proven EGR system component in a used condition.

Specifications and technical data

• SKU: LR022968
• Mark: Range Rover
• Condition: Used
• OEM Part Number: LR022968
• Substitutable numbers: LR022968, AL3Q9F464DB, AL3Q-9F464-DB
• Fuel type: Diesel
• Category: EGR Parts & Valves

Purpose and function in the EGR system

The EGR cooler housing unit in the 4.4 Diesel engine is responsible for lowering the temperature of exhaust gases directed back to the intake manifold. Cooled exhaust gases allow for a more controlled combustion process, which helps reduce nitrogen oxides and ensures stable engine operation. In the case of the Range Rover L405, a properly functioning element of this type is important for engine performance, uniform thermal load, and maintaining factory parameters.

Construction and fitment for Range Rover L405

The Range Rover L405 EGR Cooler Housing Unit Radiator 4.4 Diesel has been designed as part of the exhaust gas recirculation system in Range Rover vehicles with a diesel engine. The design provides for cooperation with the factory EGR valve housing and the cooling system, which facilitates installation in place of a worn-out part. The use of original connection geometry and flow channels helps maintain proper exhaust and coolant flow without the need for system modifications.

The product belongs to the EGR Valves and Parts group, which means it is an integral part of the system responsible for exhaust gas recirculation, and its proper operation affects the interaction with the engine control electronics and other components of the intake system.

Benefits of use in a Diesel engine

In diesel engines, the EGR system operates under a wide range of loads, which is why an efficient EGR cooler housing unit is important for both durability and engine performance. The use of this component allows you to:

• maintain the appropriate temperature of exhaust gases directed to the intake,
• reduce the risk of overheating components in the EGR valve area,
• maintain stable operating conditions under variable engine loads,
• support compliance with exhaust emission standards provided for the given model.

For users of the Range Rover L405 with a diesel engine, this is particularly important in mixed operation, where frequent changes in load and temperature can accelerate the wear of exhaust gas recirculation system components.

Characteristics of the used product

The offered EGR cooler housing unit is a used item, which represents a reasonable compromise between cost and functionality. This type of part allows for restoring the correct operation of the EGR system without the need to invest in a new component, while maintaining the factory design and fitment for the specific model. Choosing a used part is often practiced in the case of vehicles used intensively, where both technical efficiency and repair economy are important.

Integration with other EGR system components

The EGR cooler housing unit works with the EGR valve, exhaust pipes, and the cooling system, creating a coherent recirculation system. Proper installation requires maintaining connection tightness and proper bleeding of the cooling system after replacement. It is worth paying attention to the condition of other elements in this group to avoid repeated disassembly in a short time and to ensure uniform thermal load of the entire system.

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 EGR coolers, exhaust gas recirculation valves, or EGR system pipes, check the available parts in the Range Rover EGR Valves and Parts category.

For drivers interested in the broader context of using used parts and the differences between factory components and high-performance versions, an article describing the characteristics of sports components and their use in everyday operation may be helpful: BMW M Performance: how do BMW M components differ from standard ones?.