Audi A6 C7 4.0 TFSI CRDB Coolant Hose Pipe Tube 4G0819377Q

The Audi A6 C7 4.0 TFSI CRDB Water Hose Pipe is an original cooling system component from the cooling system hoses and pipes group, designed for the 4.0 TFSI gasoline engine. This is a solution for users who expect stable engine operation, proper coolant circulation, and maintenance of factory thermal parameters in their Audi A6 C7.

Specifications and technical data

• SKU: 4G0819377Q
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0819377Q
• Substitutable numbers: 4G0819377Q, 4G0 819 377 Q
• Fuel type: Petrol
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The water hose pipe in the 4.0 TFSI CRDB engine is responsible for the controlled flow of coolant between key system components. A correctly selected pipe ensures:

• maintenance of stable operating temperature of the gasoline engine,
• efficient removal of excess heat from the engine area,
• reduction of overheating risk during dynamic driving.

By maintaining the original geometry and connection diameters, the pipe works with factory cooling system components, leading to predictable behavior of the entire system.

Technical Characteristics and Compatibility

The component has been specifically designed for the 4.0 TFSI CRDB unit powered by gasoline, which guarantees its suitability for the specific thermal requirements of this engine. The pipe's construction includes:

• appropriate resistance to the operating temperature of the coolant,
• rigidity and shape ensuring correct routing in the engine bay,
• factory mounting points and connections to other system elements.

This precise fit facilitates installation and allows for the preservation of the original pipe routing, which is important for both servicing and subsequent diagnostics.

Condition, Origin, and Benefits of Choosing a Used Part

The pipe comes from the Audi offering and is a used market item, allowing for cost control while maintaining original specifications. Choosing a used water pipe is a solution for drivers who:

• want to maintain the factory fit quality of components,
• are looking for savings compared to new OE parts,
• prefer parts from dismantling over aftermarket alternatives of unknown origin.

The original pipe design promotes trouble-free installation and reduces the risk of leaks resulting from imprecise fitting.

Importance of Functional Cooling System Hoses and Pipes

In the 4.0 TFSI CRDB gasoline engine, the cooling system operates under significant thermal load, especially in urban conditions and at higher speeds. A functional water pipe:

• stabilizes engine operating temperature,
• reduces the risk of damage to gaskets and aluminum components,
• supports even distribution of coolant throughout the circuit.

If you want to better understand how ambient temperature affects the entire cooling system, check out the guide “Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings”, where we discuss practical aspects of cooling system operation.

Selecting Other Audi Cooling System Hoses and Pipes

If you are assembling a larger set of cooling system components and need other cooling system hoses and pipes for Audi, check out our dedicated category: Audi cooling system hoses and pipes. This will help you easily select additional components compatible with your car's design.

For drivers interested in a broader perspective on the used parts market, we have also prepared a guide on the best used car parts for popular makes and models, which helps in making informed decisions about vehicle repairs and upgrades.