Audi A6 C8 Engine Water Cooling Coolant Pipe Hose Line 2.0 TFSIe 4K0122058G

The Audi A6 C8 Engine Water Cooling Coolant Pipe Hose Line 2.0 TFSIe is an original engine cooling system component designed for Audi A6 C8 models with a TFSIe hybrid drive. This used hose ensures a factory fit, stable coolant flow, and maintains the correct operating temperature of the powertrain, which translates to safe and predictable operation.

Specifications and technical data

• SKU: 4K0122058G-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 4K0122058G
• Substitutable numbers: 4K0122058G, 4K0 122 058 G
• Part type: Hose
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The presented hose is part of the Cooling System Hoses and Pipes category, responsible for transporting coolant between key components of the 2.0 TFSIe engine in the Audi A6 C8. A correctly selected and sealed hose minimizes the risk of overheating, performance loss, and uncontrolled leaks, which is important for both the durability of the combustion engine and the electrical components in the hybrid system.

Thanks to its manufacturer-compliant design, the hose maintains proper flow geometry, supporting the stable operation of the coolant pump and correct bleeding of the entire circuit.

Original Origin and Fit for Audi

The component comes from the Audi parts line, meaning it retains factory assembly parameters and compatibility with the engine's accessories in the A6 C8 TFSIe. Original manufacturing translates to:

• secure fit to the cooling system's mounts and spigots,
• retention of the manufacturer-specified stiffness and flexibility of the hose,
• consistency with other system components, such as the radiator, coolant pump, or distribution tees.

This solution facilitates installation and reduces the need for modifications, which is particularly important in modern hybrid designs where engine bay space is highly utilized.

Usage Characteristics of a Used Component

The hose is a used part, allowing for an attractive price while maintaining the original manufacturer's specifications. A used component of this type is often chosen for:

• repairs after localized coolant leaks,
• mechanical damage to hoses (cracks, abrasions, deformations),
• cooling system service after a collision or interference with engine accessories.

Choosing an original hose from the aftermarket allows for maintaining the cohesion of the entire cooling system without the need for substitutes with uncertain parameters.

Benefits of Using an Original Cooling Hose

Using this hose in the Audi A6 C8 2.0 TFSIe supports the stable operation of the cooling system, which leads to:

• maintaining optimal operating temperatures for the engine and hybrid components,
• reduced risk of overheating in urban and highway conditions,
• better protection of seals, the coolant pump, and the radiator from operating in extreme conditions.

For the user, this means more predictable operation, reduced unplanned service downtime, and the ability to effectively utilize the potential of the TFSIe powertrain.

Cooling System Expansion and Additional Materials

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

During service work, especially in the summer season, it is worth paying attention to the overall condition of the entire cooling system. How high temperatures affect its performance and when it is worthwhile to reach for used components, such as radiators or fans, is described in the guide Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings, which will help you better plan the scope of work and select the appropriate parts.