Land Rover Discovery Sport L550 Expansion Overflow Hose Pipe Line K8D2-8K012-BE

Land Rover Discovery Sport L550 Expansion Overflow Hose Pipe Line is an original component from the Cooling system pipes and hoses group, designed for precise routing of coolant between the expansion tank and other system components. The used OEM component ensures factory geometry, correct connection diameters, and stable cooling system operation under demanding operating conditions.

Specifications and technical data

• SKU: K8D2-8K012-BC
• Mark: Land Rover
• Condition: Used
• OEM Part Number: K8D2-8K012-BC
• Substitutable numbers: K8D2-8K012-BC, K8D28K012BC, LR137723, 104123858, K8D28K012BE, K8D2-8K012-BE
• Part type: Hose
• Category: Coolant Hoses

Purpose and function in the cooling system

The expansion overflow hose in the Discovery Sport L550 model is responsible for the controlled flow of coolant between the tank and the rest of the system. A correctly selected hose:

• maintains circuit tightness under varying pressure and temperature,
• ensures stable venting of the cooling system,
• minimizes the risk of engine overheating,
• eliminates unwanted bending and kinking thanks to its factory profile. By maintaining the original routing path, the hose does not interfere with other engine bay components, which facilitates service and reduces the risk of abrasion.

Advantages of using an original Land Rover hose

Choosing an original Land Rover cooling system hose instead of a random replacement primarily ensures a perfect fit and predictable material behavior over the long term. The OEM element offers:

• factory connection diameters and proper wall stiffness,
• compatibility with original clamps and mounting brackets,
• resistance to typical operating temperatures and fluids recommended by the manufacturer,
• stable geometry that limits stress on tank connections and other system elements. The used OEM component is particularly beneficial where maintaining the factory characteristics of the cooling system at a reasonable repair cost is a priority.

Selection, installation, and service aspects

When selecting an expansion overflow hose for the Discovery Sport L550, it is crucial to match it to the specific vehicle version and cooling system configuration. The original hose from this reference was designed for specific mounting points, which:

• facilitates installation without modifications or forced fitting,
• reduces workshop labor time,
• decreases the risk of leaks at connections. During installation, it is recommended to check the condition of clamps and guide brackets, as well as to verify the overall tightness of the system after filling and venting. A properly selected hose helps maintain a stable engine operating temperature and protects other cooling system components from overload.

Benefits of choosing a used OEM element

A used OEM expansion overflow hose is a reasonable compromise between cost and quality. Compared to cheap replacements, the original hose:

• retains factory material specifications and shape,
• is designed for long-term cooperation with other cooling system components,
• limits the risk of incorrect positioning, which can lead to overheating or leaks. If you are considering the difference between budget replacements and original parts, it is worth reading the practical arguments presented in the article on the hidden defects of cheap automotive spare parts, which shows why OEM components often prove to be more cost-effective in the long run.

Cooling system service expansion and educational materials

If you are planning a comprehensive repair or upgrade of the cooling system area in your Land Rover and need other elements from the same group, such as return pipes, main hoses, or flexible sections connecting the radiator to the tank, check the available parts in the Land Rover cooling system pipes and hoses category. In case of problems with cabin temperature or lack of cooling, it is also worth paying attention to the condition of the air conditioning system – practical tips on selecting and checking used components can be found in the article on using original used air conditioning compressors as an alternative to new parts, which allows you to better plan the full scope of service work on your vehicle.