Audi R8 42 Air Conditioning Pipe Refrigerant Hose Line A/C 420260701

The Audi R8 42 Air Conditioning Hose Line is an original cabin cooling system component designed for use in sporty Audi models. It ensures a sealed and stable connection between air conditioning components, contributing to the efficient operation of the entire A/C system and thermal comfort inside the vehicle.

Specifications and technical data

• SKU: 420260701
• Mark: Audi
• Condition: Used
• OEM Part Number: 420260701
• Substitutable numbers: 420260701, 420 260 701
• Part type: Hose
• Category: A/C Hoses & Fittings

Technical characteristics of the air conditioning hose

The presented A/C hose line belongs to the category of Air Conditioning Hoses, Lines, and Connectors, meaning it is responsible for transporting refrigerant between key system elements. The hose's construction is designed to withstand pressure, vibrations, and temperature fluctuations typical of intensively used powertrains.

As an OEM-class component from Audi, the hose is precisely matched to the engine bay geometry and factory mounting points, facilitating installation and minimizing stress on the connections. The appropriately selected diameter and routing of the hose support stable refrigerant pressure and the correct operation of the compressor, condenser, and evaporator.

Purpose and application in the A/C system

The Audi R8 42 air conditioning hose is a dedicated component for the specific cabin cooling system architecture in vehicles of this series. Its function is to:

• Safely route refrigerant between A/C system modules, maintaining required flow parameters.
• Maintain connection integrity through precisely manufactured ends and compatibility with factory connectors.
• Reduce vibrations and stress within the air conditioning installation, minimizing the risk of micro-cracks and leaks in the long term.

A correctly selected air conditioning hose directly impacts cooling efficiency, compressor smoothness, and maintaining proper pressure throughout the circuit.

Condition of the component and benefits of choosing a used OEM part

The offered hose is a used OEM component, sourced from disassembly. Such components are often chosen by workshops and individual users because they combine factory fit with a more favorable purchase cost compared to new aftermarket replacements.

The main advantages of using a used OEM-class air conditioning hose include:

• Factory geometry and length – the hose follows the original routing path in the engine bay.
• Compatibility with original connectors – no need for installation modifications or additional adapters.
• Consistency with other A/C system components – the hose is designed as part of a complete system, promoting stable air conditioning operation.

Professional installation and operation

To fully utilize the potential of this hose, installation in a specialized service center equipped with appropriate air conditioning system handling equipment is recommended. Proper installation includes:

• Checking the condition of connectors and seals before installing the hose.
• Evacuating the system and refilling with refrigerant according to the vehicle manufacturer's guidelines.
• Leak and working pressure testing after completing the installation.

This approach helps minimize the risk of repeated interventions in the A/C system and ensures stable air conditioning operation in daily use.

Other Audi Air Conditioning Hoses, Lines, and Connectors

If you also need other Audi air conditioning hoses, lines, and connectors, check out our dedicated offer: Audi air conditioning hoses, lines, and connectors. This will help you easily assemble a complete set of components necessary for comprehensive A/C system servicing in your car.

More about the advantages of used OEM parts

When considering the purchase of used air conditioning system components, it is worth exploring the broader context of using original disassembled parts in premium vehicles. Practical information on this topic can be found in the article: used parts for Mercedes – original parts from disassembly, which discusses, among other things, the cost-effectiveness of choosing OEM components and the impact of such solutions on service costs and vehicle usability.