Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line 1K0122073S

Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line is a component from the Cooling system hoses and pipes group, designed for operation in the engine cooling system of Audi vehicles. It enables efficient transport of coolant between the radiator and other components, supporting stable engine operating temperatures and safe heat dissipation.

Specifications and technical data

• SKU: 1K0122073S
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K0122073S
• Substitutable numbers: 1K0122073S, 1K0 122 073 S, BG
• Category: Coolant Hoses

Purpose and function in the cooling system

The water radiator hose in the Audi A4 B7 is responsible for directing the flow of coolant between the radiator and the engine cooling system components. A properly selected hose ensures:

• stable coolant flow under operating pressure,
• resistance to temperature changes under typical operating conditions,
• a tight connection with cooling system ports and connectors.

Thanks to its appropriate shape and fit to the engine bay geometry, the hose minimizes the risk of abrasion and unwanted stress during engine operation.

Benefits of using an original Audi hose

Using a hose dedicated to the Audi A4 B7 allows for maintaining the factory performance characteristics of the cooling system. The original design ensures:

• precise fit to mounts and ports in the engine bay,
• compliance with flow parameters specified by the manufacturer,
• easier installation without the need to modify other components.

Such a solution reduces the risk of leaks, engine overheating, and accelerated wear of other cooling system components.

Product characteristics and condition

The offered hose belongs to the group of used parts, which allows for an economical repair of the cooling system while maintaining the original design specifications. It is a practical solution for users who want to maintain the efficiency of the cooling system without having to resort to replacements with uncertain parameters.

The water radiator hose for the Audi A4 B7 is suitable both for standard replacement of a worn-out part and for repairs following a cooling system failure, where restoring proper coolant circulation is crucial.

Technical support and part selection

When selecting a water radiator hose, it is worth paying attention to compatibility with the specific engine version and cooling system configuration of the given Audi A4 B7 unit. An original element from the Cooling system hoses and pipes group facilitates fitting to the existing installation, which translates into shorter installation time and a lower risk of service errors.

To better understand how the condition of hoses, the radiator, and fans affects engine thermal safety in high temperatures, it is worth reading the guide: Summer heat vs. cooling system: used radiators and fans as a guarantee of savings. This is a practical addition to your knowledge when planning service work within the cooling system.

Expanding Audi cooling system service

If you are planning a comprehensive repair or upgrade of the cooling system area in your Audi and need other components from the same group, such as additional pipes, flexible hoses, or sections connecting the radiator to the engine, check out the available parts in the Audi cooling system hoses and pipes category.