Land Rover Discovery 4 L319 Water Coolant Pipe 3.0 TDV6 AH22-9P924-AA

Land Rover Discovery 4 L319 Water Coolant Pipe 3.0 TDV6 is an original cooling system component designed for the precise routing of coolant in the 3.0 TDV6 engine. Thanks to its factory geometry and perfect fit for the specific power unit, it ensures stable thermal conditions, which translates into safe and predictable engine operation. This solution is particularly beneficial when servicing vehicles operated under varied, including higher, load ranges.

Specifications and technical data

• SKU: AH22-9P924-AA
• Mark: Land Rover
• Condition: Used
• OEM Part Number: AH22-9P924-AA
• Substitutable numbers: AH22-9P924-AA, AH229P924AA, LR014204
• Part type: Pipe
• Category: Coolant Hoses

Purpose and function in the cooling system

The water coolant pipe in the 3.0 TDV6 engine is responsible for the controlled flow of fluid between key components of the power unit. A properly selected and leak-free pipe:

• stabilizes engine operating temperature across a wide range of loads,
• reduces the risk of localized overheating and cooling efficiency drops,
• supports even heat dissipation from the engine block and accessories.

For an off-road and on-road vehicle like the Discovery 4 L319, maintaining an efficient coolant flow is important both in city driving and during prolonged operation under load, e.g., when towing a trailer or driving off-road.

Construction and fit for Land Rover Discovery 4 L319

The pipe in question belongs to the Cooling system pipes and hoses group, which means that its geometry, connection diameters, and mounting points are factory-adapted to the architecture of the 3.0 TDV6 engine in the Land Rover Discovery 4 L319. Such fitment allows to:

• maintain the original routing of the pipe in the engine bay,
• ensure proper tension and avoid unwanted twisting,
• minimize the risk of collision with other accessory components.

Precise fitment translates into easier installation and reduces the possibility of leaks at critical connection points.

Performance characteristics of the used component

The item is offered in a used condition, which is a beneficial solution for users looking for an economical yet original cooling system part. In practice, this means the ability to restore proper coolant circulation without the need to invest in a new component. The used pipe, sourced from a vehicle of the same brand, retains its factory shape and connection parameters, which facilitates service and reduces vehicle downtime.

Benefits of using an original cooling pipe

Using a pipe dedicated to the 3.0 TDV6 engine in the Discovery 4 L319 brings a number of practical benefits:

• Structural compatibility – no need for modifications, adjusting diameters, or pipe lengths.
• Stable cooling system operation – maintaining the coolant flow designed by the manufacturer.
• Operational safety – reducing the risk of failures resulting from leaks or incorrect pipe routing.
• Economical repair – the ability to lower service costs while maintaining the original technical specification.

Technical support and additional materials

If you are planning a comprehensive repair or upgrade of the engine area in your Land Rover and need other elements from the same group, such as additional pipes, return hoses, or system branches, check out the available parts in the Land Rover cooling system pipes and hoses category.

To better understand how thermal conditions affect the durability of pipes and the entire cooling system, it is worth reading the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings, where you will find practical tips on operation and service in high temperatures.