Audi A6 C7 Coolant Water Hose Radiator Pipe Line 2.0 Petrol Engine 4G0122101AT

Left upper radiator hose for Audi A6 C7 2.8 petrol is an original cooling system component, designed for precise installation on the left side of the engine bay. As part of the Cooling System Hoses and Pipes group, it ensures stable coolant flow and supports the proper operation of the powertrain. A used component allows for a technically correct repair without the need for more expensive replacements.

Specifications and technical data

• SKU: 4G0122101AT
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0122101
• Substitutable numbers: 4G0122101, 4G0 122 101
• Location on the vehicle: Left
• Fuel type: Petrol
• Category: Coolant Hoses

Application and Function in the Cooling System

This upper radiator hose is designed for Audi cars with a 2.8 petrol engine, where it is responsible for transporting coolant between key system components. Its placement on the left side of the vehicle ensures proper coolant flow, minimizing the risk of collision with other parts and unwanted stress during engine operation. Thanks to its precise geometry and factory design, the hose maintains optimal flow, contributing to stable engine operating temperatures. This is particularly important in petrol engines, where uniform cooling affects running smoothness, fuel consumption, and component durability.

Construction, Fitment, and Installation

As an element from the original production line, the hose is designed for specific mounting points and routing within the Audi A6 C7 engine bay. Appropriately shaped sections and factory-specified connection diameters facilitate installation and reduce the risk of leaks at connections to the radiator and other system components. A used radiator hose is a cost-effective solution that is also technically consistent with the rest of the system. With proper installation, using appropriate clamps and checking the condition of the connection sockets, it is possible to achieve a leak-free and stable connection without the need for additional modifications.

Benefits of Using an Original Hose

Using an original hose in the Audi A6 C7 cooling system offers a number of practical benefits:

• secure fit to factory brackets and guides in the engine bay,
• maintenance of correct coolant flow path,
• reduced risk of rubbing against other components and resulting damage,
• compatibility with the operating parameters of the 2.8 petrol engine. This allows the hose to be used for both standard replacement of a worn part and for repairs after a cooling system failure, where restoring factory operating conditions is crucial.

Condition, Verification, and Operation

The component is offered as used, which helps reduce repair costs while maintaining original design specifications. Before installation, a standard visual inspection for any signs of excessive wear is recommended, as well as replacing the hose clamps with new ones, matched to the hose diameter. A properly installed radiator hose on the left side of the vehicle supports the stable operation of the entire cooling system, which is particularly important under high loads and when driving in higher ambient temperatures.

More About Audi Cooling Systems and Parts

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 hoses, return pipes, or radiator connections, check the available parts in the Audi Cooling System Hoses and Pipes category. To better understand how summer conditions affect your car's cooling efficiency and when it's worth considering used components like hoses, radiators, or fans, check out the guide Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings.