BMW G20 G21 Air Conditioning Pipe A/C Coolant Hose Line 9395479

BMW G20 G21 Air Conditioning Pipe A/C Coolant Hose Line is a cabin cooling system component designed for the precise transport of refrigerant within the air conditioning installation. The product comes from the Mercedes brand, which ensures construction in accordance with manufacturer standards and solid workmanship. This used component allows for an economical yet technically correct repair of the air conditioning system in your vehicle.

Specifications and technical data

• SKU: 9395479
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: 9395479
• Substitutable numbers: 9395479, 64539395479
• Category: A/C Hoses & Fittings

Technical characteristics of the air conditioning hose

The presented air conditioning hose belongs to the Air conditioning lines, hoses, and connectors group, which are components responsible for the tight and stable routing of refrigerant between system sub-assemblies. The hose construction is designed to:

• maintain proper tightness at typical air conditioning system operating pressures,
• ensure resistance to temperature changes in the engine compartment and body zone,
• reduce vibrations and stress thanks to flexible sections,
• work with factory connectors and mounts in the vehicle.

As a result, the hose can be used as a replacement for a damaged element in the installation, restoring proper refrigerant circulation and stable operation of the compressor and evaporator.

Purpose and application in the air conditioning system

The air conditioning hose in this type of installation is responsible for connecting selected components – such as the compressor, condenser, evaporator, or receiver-drier – into one sealed circuit. A properly selected hose:

• minimizes the risk of refrigerant leakage,
• limits the possibility of moisture entering the system,
• ensures stable operating pressure, which translates into cooling efficiency,
• facilitates service as it works with factory service connectors.

By choosing a used air conditioning hose, you can effectively restore system functionality without the need to invest in more expensive, new components, while maintaining compatibility with the factory installation architecture.

Benefits of using a used Mercedes air conditioning hose

An element sourced from a dismantled Mercedes vehicle is a solution that allows you to combine reasonable costs with maintaining parameters close to factory specifications. The main advantages of this solution include:

• the ability to match the existing installation without structural modifications,
• preservation of the original hose routing geometry in the engine compartment and body,
• reduction of the risk of leaks typical for low-quality cheap replacements,
• more predictable behavior over a longer service life due to factory material specifications.

A used air conditioning hose is a good choice when you want to restore system efficiency at controlled service costs while maintaining compatibility with other installation elements.

Technical support and parts selection

Before purchasing, it is worth comparing the shape, routing, and type of hose connectors with the element currently installed in the vehicle to ensure full mounting compatibility. It is also helpful to verify part markings in service documentation or the manufacturer's catalog – this helps avoid fitment issues and speeds up the installation process itself.

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

To better plan your repair budget and learn about the advantages of using original dismantled parts in vehicles of this brand, it is worth reading the guide Used parts for Mercedes - original parts from dismantling, which discusses, among other things, the selection of air conditioning system components.

Summary

BMW G20 G21 Air Conditioning Pipe A/C Coolant Hose Line from the Mercedes brand offer is a practical solution for users looking for a technically correct, used cabin cooling system element. A properly selected and correctly installed hose allows you to restore air conditioning efficiency, ensuring stable refrigerant circulation and thermal comfort inside the vehicle at rational service costs.