Land Rover Discovery 3 L319 Water Coolant Pipe Hose Line 2.7 V6 4H2Q-6720-CD

Land Rover Discovery 3 L319 Water Coolant Pipe Hose Line 2.7 V6 is a component from the Cooling system pipes and hoses group, designed for operation in the 2.7 V6 engine coolant circuit. It enables efficient discharge and supply of fluid between the radiator and the engine, supporting a stable operating temperature for the power unit. This is a solution for users looking for a technically matched component for the cooling system in the Discovery 3 L319.

Specifications and technical data

• SKU: 1335277
• Mark: Land Rover
• Condition: Used
• OEM Part Number: 1335277
• Substitutable numbers: 1335277, 4H2Q6720CD, 4H2Q-6720-CD
• Part type: Hose
• Category: Coolant Hoses

Purpose and function in the cooling system

The Land Rover Discovery 3 L319 Water Coolant Pipe Hose Line 2.7 V6 is responsible for transporting coolant between key system components. A properly selected hose ensures:

• stable coolant flow under various engine loads,
• maintenance of the optimal operating temperature of the power unit,
• reduced risk of overheating in both urban and off-road conditions.

Thanks to its proper shape and diameter, the hose works with the factory cooling system, maintaining the flow parameters required by the 2.7 V6 engine design.

Technical characteristics and fitment

The hose belongs to the Cooling system pipes and hoses category, meaning it has been designed to operate in an environment of high temperatures and variable coolant pressure. The hose construction is adapted to the engine bay geometry of the Land Rover Discovery 3 L319, which facilitates correct routing and minimizes stress during engine operation.

Proper fitment to the cooling system translates into:

• secure connection to radiator and engine ports,
• reduced risk of leaks at the joints,
• stable system operating conditions in the long term.

Product condition and service application

The offered hose is a used item, making it a cost-effective solution while maintaining the functionality required for daily operation. This type of component is particularly suitable for:

• routine cooling system repairs after leaks or cracks are detected,
• preventive maintenance when there is a need to replace worn-out hoses,
• restoring the efficiency of a vehicle operated in more demanding off-road conditions.

Choosing a used hose allows you to reduce repair costs while maintaining compliance with the factory design of the Land Rover cooling system.

Technical support and component selection

The Land Rover Discovery 3 L319 Water Coolant Pipe Hose Line 2.7 V6 works with other cooling system components, such as the radiator, thermostat, or water pump. When planning service work, it is worth paying attention to the general condition of the entire circuit to avoid the recurrence of faults resulting from the wear of other elements.

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

More about cooling system operation

High ambient temperatures place a particular strain on the cooling system, which is why choosing an efficient water coolant pipe has a direct impact on engine safety. To better plan your service and understand how summer conditions affect engine cooling and when it is worth reaching for used components, check out our guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.