Audi A4 B8 A5 8T Expansion Valve Air Conditioning Regulator 8T0820679

Audi A5 8T 2012 Expansion valve D >> - 11.11.2013 is a precisely designed component of the air conditioning system, dedicated for use in Audi A5 8T models from a specific production range. It is responsible for the stable expansion of the refrigerant, which translates into uniform cooling of the vehicle's interior and predictable operation of the entire system. This solution is designed for drivers who expect consistent performance parameters and high system reliability.

Specifications and technical data

• SKU: 8T0820679
• Mark: Audi
• Condition: Used
• OEM Part Number: 8T0820679
• Substitutable numbers: 8T0820679, 8T0 820 679, 8T0820679A, 8T0 820 679 A
• Part type: A/C Expansion Valve
• Category: A/C Expansion Valves

Purpose and Role in the Air Conditioning System

The expansion valve in the Audi A5 8T is responsible for the controlled reduction of refrigerant pressure before the evaporator. A correctly selected component ensures:

• stable cooling parameters across a wide range of thermal loads,
• efficient cooperation with the compressor and other system components,
• reduction of air temperature fluctuations, which improves driving comfort.

Thanks to its proper flow characteristics, the valve helps maintain a balance between cooling efficiency and the mechanical load on the compressor, which is important for the durability of the entire system.

Why Choose an Original Audi Part

For precision components like an expansion valve, maintaining factory operating parameters is crucial. An original component from the Audi brand ensures:

• precise fit to the air conditioning installation in the A5 8T body,
• compliance with the factory control characteristics and system safeguards,
• consistent manufacturing quality and predictable performance over a longer period of operation.

Choosing a part that complies with the manufacturer's documentation reduces the risk of problems such as uneven cooling, excessively high operating pressures, or accelerated compressor wear. This is particularly important for vehicles where the air conditioning is used intensively, e.g., in city traffic or on long journeys.

Technical Aspects of Installation and Diagnostics

Replacing the expansion valve in the Audi A5 8T requires adherence to service procedures typical for air conditioning systems: proper refrigerant recovery, leak testing, and subsequent filling of the system with the correct amount of medium. Using a dedicated component facilitates:

• maintaining the correct geometry of connections and seals,
• avoiding stress on pipes and connectors,
• proper cooperation with pressure and temperature sensors.

When diagnosing symptoms such as poor cooling, evaporator freezing, or unstable operating pressures, the expansion valve is one of the key points of inspection. Replacing it with the correct, original part helps eliminate variables resulting from uncertain quality of aftermarket alternatives.

Part Selection and Technical Support

To ensure you are choosing the correct valve for your Audi A5 8T, it is advisable to verify compatibility with your vehicle's documentation and the manufacturer's part numbers. In our store, you can use designations such as SKU, OEM Part Number, or Brand to precisely match the component to your car's specific configuration.

If you are considering whether a refurbished part or a used original part would be a better solution, our guide may be helpful – check out the article on choosing between refurbishment and used original components, where we discuss the practical differences in durability and repair cost-effectiveness. Additionally, we encourage you to read the guide on the most frequently chosen used parts for popular models, which will help you make an informed decision when planning broader service work.

Benefits of a Properly Functioning Expansion Valve

A functional expansion valve in the Audi A5 8T directly translates to driving comfort. Maintaining the correct refrigerant pressure and temperature means:

• stable cabin temperature even under varying external conditions,
• more even compressor load,
• reduced risk of failure of other air conditioning system components.

By choosing the Audi A5 8T 2012 Expansion valve D >> - 11.11.2013, you are investing in a component designed specifically for this model, which promotes long-term, predictable operation of the entire interior cooling system.