Land Rover Discovery Sport L550 Coolant Expansion Tank Hose Line L8D2-8K012-BA

Land Rover Discovery Sport L550 Coolant Expansion Tank Hose Line is an original cooling system component, specifically designed for precise coolant routing within the engine of this model. Thanks to its factory geometry and perfect fitment to the body mounts, it ensures stable system operation and safe heat dissipation from the power unit. This used OEM component is a sensible choice for drivers who expect solid quality and compliance with factory standards.

Specifications and technical data

• SKU: L8D2-8K012-BA
• Mark: Land Rover
• Condition: Used
• OEM Part Number: L8D2-8K012-BA
• Substitutable numbers: L8D2-8K012-BA, L8D28K012BA, LR135919
• Part type: Hose
• Category: Coolant Hoses

Purpose and function in the cooling system

The coolant hose in the Land Rover Discovery Sport L550 is responsible for the directional flow of fluid between system components, which directly impacts the maintenance of stable engine operating temperatures. The properly shaped routing of the hose minimizes the risk of kinks, local constrictions, and uncontrolled vibrations that could disrupt the flow. The original design of the hose was developed specifically for this model, ensuring the correct diameter, length, and support points are maintained. This translates into reliable coolant circulation and stable thermal conditions in the engine bay, which is essential both in daily use and under higher loads.

Advantages of using an original Land Rover hose

Choosing an original coolant hose for the Discovery Sport L550 offers primary assembly and operational benefits:

• factory fitment to the cooling system and body mounts,
• preservation of the fluid flow path designed by the manufacturer,
• compatibility with other cooling system components,
• reduced risk of leaks resulting from poor-fitting aftermarket replacements. As a result, installation is efficient, without the need for modifications or reshaping, and the cooling system retains parameters close to factory specifications. This is particularly important in modern power units, where stable engine operating temperature influences component durability and engine refinement.

Product characteristics and condition

The offered hose belongs to the Cooling System Hoses and Lines category, meaning it is a component responsible for transporting fluid throughout the entire cooling system. The used OEM component allows for the preservation of the original system performance characteristics while reducing costs compared to a new factory part. Due to its nature, the hose is intended for installation in a Land Rover vehicle, specifically the Discovery Sport L550 version. This is a solution for users who want to restore the proper operation of the cooling system after a failure, leak, or wear of the existing hose, without compromising on factory specifications.

Professional approach to cooling system repairs

When replacing a coolant hose, it is worth paying attention to the overall condition of the system: the tightness of connections, the condition of the radiator, connectors, and the quality of the coolant itself. A consistent service approach helps avoid recurring faults and ensures longer, stable engine operation. For drivers who want to better understand the relationships between individual system components, our blog guide will be helpful: Cooling system failure – why an original used radiator is a safer choice than a cheap replacement. 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 lines, return hoses, or sections connecting to the radiator, check out the available parts in the Land Rover Cooling System Hoses and Lines category.