Audi RS6 C7 Petrol Radiator Upper Hose Line Pipe Left N/S 4.0 TFSI 4G0122101P

Audi RS6 C7 Petrol Radiator Upper Hose Line Pipe Left N/S is an original cooling system component from the Cooling system pipes and hoses group, designed for operation in the demanding 4.0 TFSI petrol engine. Precise fitment to the RS6 C7 design and factory connection geometry ensure stable coolant flow and predictable system behavior under high-load conditions.

Specifications and technical data

• SKU: 4G0122101P
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0122101P
• Substitutable numbers: 4G0122101P, 4G0 122 101 P
• Location on the vehicle: Left
• Fuel type: Petrol
• Category: Coolant Hoses

Purpose and function in the cooling system

The presented upper radiator hose is designed for installation on the left side of the engine bay in the Audi RS6 C7 generation model with a 4.0 TFSI petrol unit. It is responsible for routing coolant between key system components, stabilizing engine operating temperature during dynamic driving, high motorway speeds, and intense acceleration.

By maintaining the factory flow diameter and appropriately selected flexibility, the hose reduces pressure drops and minimizes the risk of local flow turbulence, which promotes uniform cooling of the cylinders and engine accessories.

Construction and fitment for Audi RS6 C7

The component has been designed specifically for the RS6 C7 engine bay architecture, taking into account pipe routing, mounting points, and the proximity of other sub-assemblies. The shape of the hose allows for collision-free routing near hot exhaust system components and accessories, reducing the risk of chafing and contact with moving parts.

Precise fitment to factory connectors allows for the use of standard clamps and couplings, which facilitates installation and subsequent maintenance. The use of original geometry is particularly important in a turbocharged engine, where the cooling system operates under increased thermal load.

Benefits of using an original radiator hose

Choosing an original upper radiator hose for the Audi RS6 C7 brings a number of practical operational benefits:

• maintenance of factory coolant flow characteristics in the 4.0 TFSI petrol engine,
• secure fitment to the left area of the engine bay without the need for modifications,
• compatibility with stock cooling system components and mounts,
• reduced risk of leaks resulting from inaccurate fitment of aftermarket replacements.

For users operating the RS6 C7 dynamically, maintaining an efficient and leak-free cooling system has a direct impact on the durability of the power unit and performance stability.

Condition, application, and installation aspects

The offered hose comes from the Cooling system pipes and hoses group and is intended for use in petrol-powered vehicles. The location on the left side of the vehicle facilitates service access, and installation can be carried out as part of standard cooling system maintenance procedures, while observing typical bleeding and leak check operations.

Before installation, it is recommended to verify compatibility with your specific RS6 C7 unit and check other cooling system components, such as the radiator, thermostat, or additional pipes, to avoid the need for repeat repairs in the near future.

Cooling system maintenance expansion and technical knowledge

In the summer season, the cooling system in powerful petrol units operates under particularly demanding conditions. To better understand the impact of high temperatures on cooling efficiency and the possibilities of optimizing service costs using secondary market components, it is worth checking our guide: Summer heat vs. cooling system – used radiators and fans as a way to control costs.

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