Audi A6 A7 C8 Air Conditioning Pipe Hose Line Tube 3.0 TDI Diesel 4K2816720P

Audi A6 A7 C8 Air Conditioning Pipe Hose Line Tube is an original cabin cooling system component designed for diesel engines. It ensures a tight and stable connection between air conditioning components, which translates into efficient refrigerant discharge and proper operation of the entire system. Using an OEM component is a sensible choice for repairs when you value factory fitment and predictable performance parameters.

Specifications and technical data

• SKU: RHD-4K2816720P
• Mark: Audi
• Condition: Used
• OEM Part Number: 4K2816720P
• Substitutable numbers: 4K2816720P, 4K2 816 720 P
• Fuel type: Diesel
• Part type: Pipe
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The air conditioning pipe used in Audi A6 and A7 C8 generation models with a 3.0 TDI diesel engine is responsible for transporting refrigerant between system components, such as the compressor, condenser, or evaporator. A properly selected air conditioning pipe minimizes pressure drops, reduces the risk of leaks, and supports stable compressor operation, which directly impacts thermal comfort inside the vehicle. Thanks to a design compliant with the manufacturer's standards, the pipe maintains the correct diameter, shape, and mounting points, which facilitates installation and allows for proper routing of the air conditioning lines in the engine bay.

Benefits of using an original Audi pipe

Choosing an original air conditioning pipe for the Audi A6/A7 C8 brings a number of practical advantages:

• factory fitment for air conditioning systems in diesel engine versions,
• preservation of the pipe geometry designed by the manufacturer,
• appropriate resistance to operating pressure and refrigerant temperature,
• compatibility with factory brackets and mounts on the vehicle body. Such a solution reduces the risk of installation problems, shortens service time, and helps maintain stable air conditioning performance in the long term.

Used condition and repair cost-effectiveness

This item comes from the used original parts segment, which allows for a significant reduction in repair costs compared to purchasing a new OEM pipe, while maintaining the same geometry and manufacturing standards. In practice, with proper installation and the use of new seals, a used air conditioning pipe can effectively operate in the system for a long time, ensuring correct pressure and refrigerant flow. Before installation, standard service procedures are recommended: checking the tightness of the entire system, replacing O-rings, and performing pressure and vacuum tests to confirm the absence of leaks before refilling the air conditioning system.

Professional installation and part selection

To fully utilize the potential of this pipe in an Audi diesel air conditioning system, it is worth entrusting the installation to a specialized service center. A professional workshop will pay attention to:

• correct routing of the pipe in the engine bay,
• tightening torque of the connectors in accordance with manufacturer guidelines,
• cleanliness of the sockets and sealing surfaces,
• inspection of other air conditioning system components for potential leaks. This approach minimizes the risk of repeated interference with the system and allows for restoring full air conditioning functionality after a single service operation.

Related air conditioning system components and service knowledge

During cabin cooling system repairs, it is worth comprehensively assessing the condition of the compressor, condenser, evaporator, and other pipes and connectors. If you want to better understand when it is worth reaching for original used components in an air conditioning system, how to select them, and what to check before installation, read the article: No cooling in the car – when does a used OEM air conditioning compressor make sense. If you are planning a comprehensive repair or upgrade of the air conditioning zone in your Audi and need other elements from the same group, such as pipes, hoses, or connectors, check the available parts in the category Audi air conditioning pipes, hoses, and connectors.