Audi R8 42 RS6 C6 Air Conditioning Heat Exchanger Hose 420898037A

The Audi R8 / RS6 C6 Air Conditioning Heat Exchanger Hose is an original part from the Heat Exchangers group, designed for operation within the refrigerant circuit. Engineered by the vehicle manufacturer, it ensures proper medium flow between the heat exchanger and other system components, leading to stable cooling parameters and predictable air conditioning performance. A used OEM part is a sensible choice for servicing premium vehicles when maintaining factory geometry and compatibility with other sub-assemblies is a priority.

Specifications and technical data

• SKU: 420898037A-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 420898037A
• Substitutable numbers: 420898037A, 420 898 037 A
• Category: Heater Cores

Purpose and Function in the Air Conditioning System

The heat exchanger hose is responsible for a sealed and stable connection between the heat exchanger and other elements of the air conditioning system. In high-performance and high-power vehicles like the Audi R8 or RS6 C6, proper refrigerant flow is crucial not only for comfort but also for maintaining optimal operating conditions for other thermal systems.

The original hose geometry allows for:

• correct medium routing without unwanted kinks or constrictions,
• appropriate rigidity and vibration resistance characteristic of high-power units,
• consistency with the factory placement of the heat exchanger and other hoses.

Benefits of Using an Original Heat Exchanger Hose

Using an original part from the Heat Exchangers group instead of aftermarket alternatives minimizes the risk of fitment issues and system leaks. The hose is designed to operate under demanding temperature and pressure conditions typical for premium vehicle air conditioning systems.

Key advantages include:

• Factory Fitment for the specific vehicle platform's air conditioning system,
• maintaining the original hose routing, which simplifies service installation,
• compatibility with factory mounting points and brackets in the engine bay and at the heat exchanger.

Characteristics of a Used Component

The offered hose is a used part, sourced from disassembly, allowing for a reasonable cost while maintaining the original manufacturer's specifications. This type of solution is often chosen for repairs of sports vehicles where compliance with the factory design is a priority, alongside optimizing the service budget.

Prior to installation, a standard leak check of the system and inspection of accompanying seals are recommended, in accordance with service procedures for air conditioning systems.

Application in Service Practice

The air conditioning heat exchanger hose is suitable for both routine replacement of a damaged part and for more extensive work related to restoring the system after a collision or intervention in the vehicle's front end. Thanks to the preserved factory geometry, installation proceeds predictably, without the need for modifications to other components.

If you are planning a comprehensive repair or upgrade of the cooling and air conditioning system area in your Audi and require other parts from the same group, such as hoses, radiators, or additional heat exchange modules, check the available parts in the Audi Heat Exchangers category.

Additional Technical Support

When working with thermal systems and lighting, it is advisable to consult reliable sources of service knowledge. If you are interested in how to select original components used in other key vehicle systems, such as LED headlights or Xenon systems, the following guide may be helpful: See More and Better – A Complete Guide to Selecting and Replacing Used LED and Xenon Headlights.