Audi A3 8Y 30 TFSI DXDE A/C Air Condition Pipe Line Tube Hose 5WC816738B

Audi A3 8Y 30 TFSI DXDE A/C Air Condition Pipe Line Tube Hose is an original Audi A/C system component, designed for the precise routing of refrigerant within the installation. This used component from the A/C pipes, hoses, and connectors category allows for a technically correct repair of the cabin cooling system while maintaining factory operating parameters.

Specifications and technical data

• SKU: 5WC816738B
• Mark: Audi
• Condition: Used
• OEM Part Number: 5WC816738B
• Substitutable numbers: 5WC816738B, 5WC 816 738 B
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The described Audi A3 8Y 30 TFSI DXDE A/C Air Condition Pipe Line Tube Hose has been designed to operate in the A/C system of the Audi A3 8Y generation model with the 30 TFSI DXDE engine. It is responsible for a tight and stable connection of system components, which is crucial for maintaining proper refrigerant pressure and effective cooling of the vehicle's interior.

Thanks to its factory geometry and fitment for the specific engine configuration, the hose ensures proper routing of the working medium, minimizing the risk of vibrations, leaks, and improper stress on other air conditioning system components.

Original Audi construction and installation fitment

As an Audi brand component, the A/C hose features a design that meets the vehicle manufacturer's requirements. This includes:

• factory shaping of rigid and flexible sections,
• use of appropriate connectors and terminals for the Audi A3 8Y A/C system,
• adaptation for operation in the engine bay with the 30 TFSI DXDE unit.

Such construction facilitates a plug-and-play installation in place of a worn or damaged hose, without the need for system modifications or the use of adapters. Factory fitment reduces service time and minimizes the risk of installation errors.

Benefits of using a used OEM hose

Choosing a used OEM A/C hose for the Audi A3 8Y is a solution that allows you to balance cost control with technical compliance. In practice, this means:

• maintaining the original refrigerant flow characteristics,
• preserving the correct positioning of the hose relative to other components in the engine bay,
• the ability to restore A/C system efficiency after mechanical failure or leakage.

For workshops and private users, this is particularly beneficial for post-accident repairs or when replacing air conditioning system components, where both technical correctness and a rational budget are important.

Application in A/C system service and diagnostics

The Audi A3 8Y 30 TFSI DXDE A/C Air Condition Pipe Line Tube Hose is suitable for both standard replacement of a damaged part and more extensive service work, such as the removal of the compressor, condenser, or other system sections. It enables the restoration of system tightness after detecting refrigerant loss or pipe corrosion.

After installation, it is recommended to perform a leak test and a full air conditioning system service (recovery, vacuum, recharge) to fully utilize the component's potential and ensure stable operation of the cabin cooling system.

Expansion and completion of the Audi air conditioning system

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 pipes, flexible hoses, or service connectors, check out the available parts in the Audi A/C pipes, hoses, and connectors category.

Expert support in choosing used parts

When selecting used A/C system components – such as hoses, compressors, or valves – it is worth using reliable sources of information and proven verification procedures. Practical tips on the safe purchase of aftermarket components, including the importance of OEM and reference numbers, can be found in the Global Parts guide: Safe purchase of used car parts online – a step-by-step guide.

Additionally, if you are interested in the broader context of using original used components in premium cars, including brands related to the Audi segment, it is worth reading the article describing the advantages of installing factory components from dismantling: Used parts for Mercedes – original parts from dismantling.