Audi A3 8V Air Conditioning A/C Evaporator 5Q2820102B

Audi A3 8V Air Conditioning A/C Evaporator is an original A/C system component designed for efficient cabin air cooling. Thanks to its factory design, Audi ensures precise fitment for the air conditioning system, stable operation, and predictable performance parameters. This is a solution for users who expect consistency with the factory air conditioning system and wish to maintain the original operating characteristics of the system.

Specifications and technical data

• SKU: RHD-5Q2820102B
• Mark: Audi
• Condition: Used
• OEM Part Number: 5Q2820102B
• Substitutable numbers: 5Q2820102B, 5Q2 820 102 B
• Category: A/C Evaporators

Purpose and role in the air conditioning system

The air conditioning evaporator in the Audi A3 8V is responsible for intensive heat exchange between the refrigerant and the air directed into the vehicle's interior. In practice, this means that the air flowing through its surface is cooled and then distributed through the ventilation ducts into the cabin. The proper design of the evaporator is crucial for:

• stable cooling performance under various temperature conditions,
• maintaining proper pressure and refrigerant flow in the A/C system,
• correct interaction with other system components, such as the compressor, condenser, or expansion valve.

A well-chosen evaporator helps maintain thermal comfort in the interior and reduces the risk of overloading other air conditioning components.

Original origin and fitment for Audi

The offered evaporator comes from the Audi parts group, which means it was designed with the specific architecture of the air conditioning system in the A3 8V model in mind. Its factory origin translates into:

• compatibility with factory mounting points and hose routing,
• appropriate geometry of air flow channels,
• predictable interaction with the air conditioning control electronics.

As a result, installation is straightforward, without the need for system modifications, and the system retains parameters close to the factory configuration.

Performance characteristics and operation

The Audi A3 8V Air Conditioning A/C Evaporator has been designed for years of operation in variable conditions – from low temperatures in winter to high thermal loads in summer. The design provided by the manufacturer allows for:

• efficient moisture removal from the air flowing through the evaporator,
• maintaining a stable supply air temperature when the system is properly charged,
• reducing performance drops during prolonged air conditioning use.

When replacing the evaporator, it is recommended to simultaneously check the tightness of the entire system, the condition of the receiver-drier, and ensure correct refrigerant charging to fully utilize the capabilities of the A/C system.

Component condition and service application

The offered evaporator is a dismantled part intended for service applications in Audi A3 8V vehicles where there has been a drop in cooling efficiency, leaks, or mechanical damage to the existing component. Choosing an original used component allows for:

• maintaining consistency with the factory system specification,
• reducing repair costs while maintaining high build quality,
• easier identification and selection of parts based on manufacturer markings.

This is a particularly beneficial solution for repairs where the priority is technical compliance with the factory design and predictable air conditioning system behavior after replacement.

Selection support and related components

When planning work on the air conditioning system, it is worth considering the condition of hoses, seals, and control elements to avoid the need for re-opening the system in the near future. 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 heat exchangers, mounting elements, or housings, check the available parts in the Audi Evaporators category.

For users interested in a broader approach to diagnostics and vehicle system maintenance, including the correct selection of components by manufacturer markings, the guide article on the construction, diagnostics, and regeneration of fuel system components may be helpful, as it discusses, among other things, the principles of selecting parts by numbers and good service practices.