Volkswagen Passat B8 Air Conditioning A/C Hose Pipe Line 2.0 Diesel 3Q0816721G

Volkswagen Passat B8 Air Conditioning A/C Hose Pipe Line 2.0 Diesel is an original cabin cooling system component designed for diesel-powered vehicles. It ensures a leak-proof and stable routing of the refrigerant, which translates into efficient air conditioning operation and thermal comfort inside the vehicle. This is a solution for users looking for factory-fitment and predictable system performance parameters.

Specifications and technical data

• SKU: 3Q0816721G
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3Q0816721G
• Substitutable numbers: 3Q0816721G, 3Q0 816 721 G
• Fuel type: Diesel
• Part type: Line
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The described air conditioning hose is a component from the Air conditioning hoses, pipes, and connectors group, responsible for transporting the refrigerant within the cooling system. In a vehicle with a 2.0 Diesel engine, it operates under conditions of increased thermal load, which is why its correct selection is important for pressure stability, cooling efficiency, and compressor longevity.

Using a dedicated hose allows for maintaining the correct installation geometry, minimizes the risk of vibrations and leaks, and facilitates the servicing of the entire air conditioning system.

Benefits of using an original hose

Choosing an air conditioning hose matched to a specific diesel engine version ensures:

• factory fitment to mounts and connectors in the engine bay,
• appropriate diameter and cross-section for refrigerant flow,
• proper cooperation with other air conditioning system components,
• reduced risk of a drop in cabin cooling efficiency.

Thanks to this, the air conditioning system maintains stable operating parameters, and the driver and passengers can count on comfortable interior temperatures even under high engine load.

Characteristics and condition of the component

The air conditioning hose comes from the Volkswagen brand, which means maintaining the vehicle manufacturer's quality standards regarding materials, diameters, and connector types. The item is offered as used, which allows for an economical repair of the system while maintaining the original design and compatibility with the factory installation.

Such a solution is particularly beneficial in the case of maintenance repairs, where it is crucial to combine reasonable costs with maintaining the proper operating parameters of the air conditioning in a diesel-powered car.

Selection and practical application

When replacing an air conditioning hose in a Passat B8 with a diesel unit, it is essential to match the component to the specific system configuration. The original hose facilitates installation because its length, shape, and connector types are adapted to the factory routing of the system. This limits the need for modifications and shortens service time.

The component will work well both for a standard replacement of a damaged hose and for comprehensive air conditioning system maintenance, including drying, refrigerant refilling, and leak testing.

Expanding the air conditioning system in a Volkswagen

If you are planning a comprehensive repair or upgrade of the air conditioning area in your Volkswagen and need other elements from the same group, such as additional pipes, flexible hoses, or service connectors, check the available parts in the Volkswagen air conditioning hoses, pipes, and connectors category.

More about the advantages of used premium parts

If you are considering a wider use of original, used components in premium segment cars and want to better understand how they affect service costs and the preservation of the vehicle's factory character, it is worth reading the article: Used parts for Mercedes – original parts from dismantling. Although it concerns a different brand, it well illustrates the approach to the conscious selection of high-quality used components.