Audi RSQ3 F3 2.5 TFSI Quattro Water Coolant Pipe Hose Line 057121057C

Audi RSQ3 F3 2.5 TFSI Quattro Water Coolant Pipe Hose Line is an original component from the Cooling system pipes and hoses group, designed specifically to operate in the demanding environment of the 2.5 TFSI engine with Quattro drive. This used OEM part ensures factory-spec coolant flow geometry, which promotes stable operating temperatures for the engine and proper interaction with other system components.

Specifications and technical data

• SKU: 057121057C
• Mark: Audi
• Condition: Used
• OEM Part Number: 057121057C
• Substitutable numbers: 057121057C, 057 121 057 C
• Category: Coolant Hoses

Purpose and function in the cooling system

This water pipe is a functional element of the cooling system, responsible for directing coolant between specific components of the Audi RSQ3 F3 2.5 TFSI Quattro engine. The properly shaped flow path reduces the risk of localized overheating, supports uniform heat dissipation, and helps maintain stable thermal conditions during dynamic driving.

Thanks to the factory fitment for the specific engine and body configuration, the pipe maintains proper clearance from hot and moving parts, which minimizes the risk of abrasion, vibration, and leaks. This translates into safe and predictable cooling system operation in daily use and under higher loads.

Advantages of using an original cooling pipe

Using an original pipe in the Audi RSQ3 F3 offers a number of practical installation and operational benefits:

• factory fitment to connectors and mounts in the engine bay,
• preservation of the diameter and flow cross-section designed by the manufacturer,
• compatibility with the existing cooling system architecture,
• reduced risk of leaks resulting from poor fitment of aftermarket replacements.

By choosing an original Audi cooling system pipe, you maintain the integrity of the entire system, which is especially important in a high-load turbocharged engine, where stable cooling affects the durability of the engine and its accessories.

Characteristics of the used part

The item comes from disassembly and is offered as used, which allows for an economical repair while retaining an OEM component. This type of solution is particularly beneficial for specialized models such as the Audi RSQ3 F3, where the availability of new pipes can be limited or costly.

A used cooling system pipe is a sensible choice in situations where the existing part has suffered mechanical damage, material aging, or leaks at the connections. Replacing it with an original component from the same design series helps restore proper coolant circulation without interfering with the system design.

Technical support and knowledge about the cooling system

If you want to better understand how a properly functioning cooling system affects engine longevity and what symptoms may indicate engine overheating, check out our guide: Engine cooling system – overheating, repair, and used radiators. This is a practical supplement to your knowledge when planning diagnostics and repairs.

In the context of choosing used parts, such as pipes and hoses, it is also worth taking a broader look at automotive recycling and the economic aspect, described in the article: Eco-driving: discover the benefits of used car parts.

Expanding repairs within the Audi cooling system

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