Land Rover Discovery 3 L319 Water Coolant Flange Pipe 2.7 Diesel 4H2Q-8A544-AB

Land Rover Discovery 3 L319 Water Coolant Flange Pipe 2.7 Diesel is a component from the Cooling system pipes and hoses group, designed for the diesel engine. It is responsible for the precise routing of coolant, which supports a stable operating temperature of the power unit and reduces the risk of overheating.

Specifications and technical data

• SKU: 1316063
• Mark: Land Rover
• Condition: Used
• OEM Part Number: 1316063
• Substitutable numbers: 1316063, 4H2Q8A544AB, 4H2Q-8A544-AB
• Fuel type: Diesel
• Category: Coolant Hoses

Function and application in the cooling system

The pipe – water flange in the 2.7 Diesel engine acts as a flow channel for coolant between key components of the system. A properly selected flange ensures:

• stable circulation of coolant in the power unit,
• maintenance of the optimal engine operating temperature,
• reduction of thermal loads on components,
• more predictable engine behavior under heavy load conditions.

Thanks to its proper geometry and fit for the 2.7 Diesel unit design, this component works with other cooling system parts, supporting safe vehicle operation both off-road and on long journeys.

Benefits of using an original Land Rover component

The original pipe – water flange dedicated to the Discovery 3 L319 has been designed for the specific architecture of the diesel engine. This translates into:

• secure fit to factory mounting points and existing cooling system connections,
• preservation of factory coolant flow parameters,
• reduction of the risk of leaks resulting from inaccurate fitment of aftermarket replacements,
• easier installation without the need for system modifications.

A component from this group is particularly important in diesel engines, where thermal loads are high and the cooling system must operate in a repeatable and stable manner.

Product characteristics and condition

The pipe – water flange offered in this listing comes from a Land Rover vehicle and is classified as a used part. This means it has been previously used but can still perform its function in the cooling system, provided it is installed correctly and appropriate seals are used in accordance with the vehicle manufacturer's recommendations.

For components in the Cooling system pipes and hoses group, it is particularly important to pay attention to:

• the condition of the connection surfaces,
• the absence of visible cracks and deformations,
• the cleanliness of the flow channels before installation.

Importance for diesel engine durability

The diesel engine in the Discovery 3 L319 operates under high thermal load, which is why a functional pipe – water flange has a direct impact on:

• maintaining the proper operating temperature of the power unit,
• reducing the risk of engine overheating and seizure,
• operational stability during towing or off-road driving.

To better understand how the entire cooling system affects the lifespan of the power unit and what symptoms may indicate problems with fluid circulation, it is worth reading the guide: Engine cooling system – overheating, repair, and used radiators.

Expanding the Land Rover cooling system

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, hoses, or coolant flanges, check out the available parts in the Land Rover cooling system pipes and hoses category.

For drivers who want to better plan vehicle maintenance and learn about the most frequently replaced parts, the following practical guide may also be helpful: TOP 10 most frequently replaced parts in your car.