Audi A4 B7 Air Conditioning A/C Evaporator Unit 8E2820103A

The Audi A4 B7 Air Conditioning A/C Evaporator Unit is a key component of the A/C system responsible for effective cabin air cooling. The offered item is an original Audi part from dismantling, which ensures factory-fit compatibility with the air conditioning system in this model. Thanks to the use of a component from the Evaporators group with a specific design for the A4 B7, the system maintains proper operating parameters and thermal stability.

Specifications and technical data

• SKU: RHD-8E2820103A
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E2820103A
• Substitutable numbers: 8E2820103A, 8E2 820 103 A
• Category: A/C Evaporators

Purpose and compatibility with the Audi A4 B7

The presented air conditioning evaporator unit has been designed specifically for the A/C system architecture in the Audi A4 B7 generation. This means compatibility with the factory heater housing, refrigerant lines, and airflow control system. Installing an original evaporator allows you to maintain:

• proper airflow through the heat exchanger,
• stable moisture drainage from the air conditioning housing,
• correct cooperation with other interior cooling system components.

As a result, the air conditioning system maintains parameters close to factory standards, without the need for adaptation or system modifications.

Technical characteristics of the evaporator

The evaporator acts as a heat exchanger where the refrigerant evaporates, lowering the temperature of the flowing air. The design used in the Audi A4 B7 ensures:

• a dense network of channels and fins increasing the heat exchange surface,
• properly selected geometry for even temperature distribution across the entire width of the airflow,
• compatibility with the factory air conditioning equipment of this model.

Using an original evaporator reduces the risk of cooling efficiency loss, excessive compressor load, and windshield fogging problems resulting from improper moisture drainage.

Condition, origin, and benefits of choosing a used part

The offered air conditioning evaporator is a used item, sourced from the dismantling of an Audi vehicle. Choosing an original second-hand part is often a beneficial solution for air conditioning systems because:

• you maintain factory build quality and fitment,
• you minimize the risk of installation problems typical of aftermarket replacements with different geometry,
• you maintain the consistency of the entire A/C system with other components.

If you are considering whether it is better to refurbish the component or install an original used part, it is worth checking out the practical tips in the article Refurbished or original used – which part to choose for repairs?.

Why choose an original Audi evaporator

By using an original air conditioning evaporator designed for the Audi A4 B7, you gain:

• reliable structural fit to the heater housing and air ducts,
• preservation of factory cooling and air dehumidification characteristics,
• reduced risk of leaks resulting from imprecise fitting of connectors and seals.

This solution is especially recommended for repairs where the repeatability of system operating parameters and compatibility with air conditioning control electronics are important.

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 heat exchangers, housing modules, or additional A/C system parts, check the available parts in the Audi Evaporators category.