Land Rover Discovery Sport L550 Water Coolant Pipe Hose Line 2.0 G4D3-18B402-BA

The Land Rover Discovery Sport L550 Water Hose Pipe 2.0 G4D3-18B402-BA is an original cooling system component designed for precise coolant flow in the 2.0 engine. A properly selected water hose ensures stable engine operation, reduces the risk of overheating, and supports safe heat dissipation. This is a practical solution for users who want to maintain the efficiency of their cooling system while preserving the original Land Rover specifications.

Specifications and technical data

• SKU: LR073713
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR073713
• Substitutable numbers: LR073713, LR104391, G4D3-18B402-BB, G4D318B402BB, G4D318B402BA, G4D3-18B402-BA
• Part type: Hose
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The presented water hose belongs to the Cooling System Hoses and Pipes group, responsible for transporting coolant between key engine components. The correct shape and diameter of the hose allow for maintaining proper flow, which translates to a stable operating temperature for the 2.0 unit in the Discovery Sport L550 model.

This component is particularly important when the existing hose shows signs of wear, leaks, or deformation. Using an original hose allows for restoring correct coolant circulation, reducing pressure drops in the system, and minimizing the risk of overheating-related failures.

Benefits of Using an Original Land Rover Hose

Choosing a water hose dedicated to the Land Rover Discovery Sport L550 offers a range of practical benefits for everyday use:

• Factory fit for the cooling system of a specific engine version,
• Appropriately selected geometry, facilitating installation in original mounting points,
• Preservation of the manufacturer's designed coolant flow,
• Compatibility with other cooling system components.

Thanks to this, replacing a worn-out part with an original water hose allows for maintaining engine performance levels close to factory settings, without the need for additional modifications.

Component Characteristics and Installation

The water hose has been designed as a part intended for a specific 2.0 engine configuration in the Discovery Sport L550, which simplifies servicing and reduces the risk of incorrect selection. The appropriate stiffness and flexibility of the material contribute to stable hose routing within the engine bay, even under varying thermal loads.

The item is offered in a used condition, allowing for economical repair while maintaining the original manufacturer's specifications. Before installation, a standard leak check and visual inspection of the working surfaces are recommended to ensure trouble-free operation after replacement.

Cooling System and Engine Durability

A functional water hose directly impacts the efficiency of the entire cooling system. Maintaining proper coolant circulation helps protect the engine from overheating, cavitation, and localized temperature spikes that can accelerate component wear.

For users who want to better understand the relationships between individual cooling system components and engine lifespan, an article discussing common overheating issues and the importance of functional components will be helpful. It is available here: Engine Cooling System – Overheating, Repair, and Used Radiators.

Expanding Land Rover Cooling System Service

If you are planning a comprehensive repair or upgrade of the engine area in your Land Rover and need other parts from the same group, such as additional coolant pipes, hoses, or connectors, check the available parts in the Land Rover Cooling System Hoses and Pipes category.

Summary

The Land Rover Discovery Sport L550 Water Hose Pipe 2.0 G4D3-18B402-BA is a practical solution for owners who want to restore proper coolant circulation in their vehicle while maintaining the original system characteristics. A properly selected, used OEM part allows for a technically correct repair, supports stable engine operating temperatures, and provides a solid foundation for further cooling system maintenance.