Audi A6 RS6 C7 Air Conditioning Coolant Pipe Hose Line 4G2819350T

Audi A6 RS6 C7 Air Conditioning Coolant Pipe Hose Line is an original air conditioning system component designed for the precise routing of refrigerant within the installation. Thanks to its factory geometry and perfect fit for the C7 platform, it ensures stable operating pressure and proper cooperation with other air conditioning components, which translates into thermal comfort inside the vehicle.

Specifications and technical data

• SKU: RHD-4G2819350T
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G2819350T
• Substitutable numbers: 4G2819350T, 4G2 819 350 T
• Category: Other Car Parts & Accessories

Purpose and function in the air conditioning system

The presented hose is designed specifically for Audi A6 and RS6 C7 generation models, where it is responsible for the safe transport of refrigerant between the air conditioning system components. The properly selected inner diameter, shape, and factory connection ends reduce pressure drops and minimize the risk of leaks at the joints.

A properly selected refrigerant hose is crucial for:

• maintaining correct pressure in the air conditioning circuit,
• stable operation of the compressor and expansion valve,
• effective interior cooling under various thermal loads,
• reducing energy losses throughout the system.

Original origin and mounting fitment

As an Audi brand component, the air conditioning coolant pipe maintains factory parameters regarding length, shape, and mounting points. This means that:

• the routing of the hose in the engine compartment is consistent with the manufacturer's design,
• it does not interfere with other components (engine accessories, wiring harnesses, body elements),
• the proper distance from heat sources is maintained, which limits thermal stress on the material.

Such fitment facilitates installation and allows for maintaining the consistency of the entire air conditioning system with the factory Audi service documentation.

Characteristics of the used component

The hose comes from dismantling, which means it is a used part, but still intended for further use after proper installation and verification of system tightness. Choosing an original component from the secondary market allows you to:

• maintain factory air conditioning performance parameters at a lower cost than with a new element,
• avoid fitment issues typical of aftermarket replacements with universal geometry,
• maintain system consistency with the manufacturer's service documentation and diagrams.

Installation and operational tips

When replacing the air conditioning coolant pipe in an Audi A6 / RS6 C7, it is recommended to:

• perform a professional evacuation of the system from refrigerant and oil,
• replace seals at the connections in accordance with the manufacturer's guidelines,
• check the condition of other system components (condenser, evaporator, compressor, dryer),
• perform a leak test and refill the system with the correct amount of refrigerant and oil.

This approach allows you to fully utilize the potential of the original air conditioning hose and reduce the risk of further service interventions.

Expanding knowledge and selecting other components

If you want to better understand the specifics of the sports versions of Audi and the structural differences between RS variants and standard models, including the engine, brakes, and chassis, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?. This is a good supplement to your knowledge when planning comprehensive service or modernization work on an Audi RS6 C7.

If you are planning a comprehensive repair or modernization of the air conditioning zone in your Audi and need other elements from the same group, such as hoses, connectors, or additional installation sections, check the available parts in the Other Audi category.