Audi A4 B9 Coolant Air Conditioning Pipe A/C Hose Line Tube 8W2816720

Audi A4 B9 Coolant Air Conditioning Pipe A/C Hose Line Tube is an original refrigerant cooling system component, designed for precise routing and leak-proof transport of the medium within the A/C installation. Thanks to its factory fitment for the A4 B9 platform, it ensures stable air conditioning system operation and correct operating pressure throughout the entire circuit. As part of the Air conditioning pipes, hoses, and connectors group, it allows for a technically correct repair without the need for system modifications.

Specifications and technical data

• SKU: RHD-8W2816720
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W2816720
• Substitutable numbers: 8W2816720, 8W2 816 720
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The offered pipe is a component of the factory A/C system in the Audi A4 B9 generation, responsible for the safe routing of refrigerant between individual system components. The design selected by the manufacturer ensures:

• appropriate flow diameter to maintain the correct operating pressure,
• leak-proof connections with other air conditioning components,
• stable operation of the compressor and other system elements.

As a result, the air conditioning system can maintain the specified operating parameters, which translates into thermal comfort inside the vehicle and protection of other components against overload.

Original origin and fitment for Audi

The pipe comes from the Audi parts line, which means maintaining factory standards of workmanship, geometry, and material quality. Its original origin ensures:

• secure fitment to mounting points in the body and engine bay,
• compatibility with original A/C system connectors and seals,
• preservation of the refrigerant flow characteristics designed by the manufacturer.

Thanks to this, installation proceeds in an orderly manner, without the need for system modifications or the use of adapters, and the entire system retains parameters close to factory specifications.

Characteristics of the used component

The offered air conditioning pipe is a used component, which allows for an economical system repair while maintaining the original manufacturer's specifications. This type of part is particularly beneficial in situations where:

• mechanical damage to the pipe has occurred (e.g., bending, cracking, pitting corrosion),
• it is necessary to replace a section of the installation after a collision or service intervention,
• you want to maintain the original geometry of the pipe routing in the engine bay.

Choosing a used, original pipe allows you to maintain the consistency of the entire air conditioning system with the factory Audi design, while simultaneously optimizing repair costs.

Benefits of using an original A/C pipe

Using an air conditioning pipe dedicated to the Audi A4 B9 brings a number of practical operational benefits:

• Stable system tightness – properly selected connectors and diameters minimize the risk of refrigerant loss.
• Protection of the compressor and accessories – correct flow and pressure limit the risk of overloads and failures of other components.
• Consistency with service documentation – the original element facilitates diagnostics and future maintenance.

For workshops and private users, this means predictable installation and easier maintenance of the air conditioning system in proper technical condition.

Related components and technical knowledge

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 additional pipes, flexible hoses, or service connectors, check the available parts in the Audi air conditioning pipes, hoses, and connectors category.

When planning repairs for comfort and air conditioning systems, it is also worth learning about the specifics of premium component operation – a good point of reference is the material describing the advantages of using original, used components in high-class cars, such as Mercedes-Benz: Used parts for Mercedes – original parts from dismantling. This allows for a better understanding of why original air conditioning pipes and hoses are a beneficial choice also in the case of Audi.