Description
Mercedes R231 A/C Air Condition Compressor Hose Pipe Line Tube is an original air conditioning system component designed for Mercedes models, ensuring a tight and stable connection between the compressor and other system components. Using a pre-owned hose from this group allows for an economical yet technically correct repair of the cabin cooling system, while maintaining the factory geometry of the pipe and hose routing. It is a practical solution for users who want to restore air conditioning performance without compromising on original build quality.
Specifications and technical data
- SKU: A2318300315
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2318300315
- Substitutable numbers: A2318300315, A 231 830 03 15
- Category: A/C Hoses & Fittings
Purpose and function in the air conditioning system
The hose from the Air conditioning hoses, pipes and connectors group is responsible for the safe transport of refrigerant between the compressor and other system components. A correctly selected pipe:
- maintains the proper operating pressure of the refrigerant,
- ensures connection tightness thanks to factory connectors,
- reduces vibrations transmitted from the compressor to the rest of the system,
- prevents leaks that could lead to a drop in air conditioning efficiency.
Thanks to maintaining the original geometry and diameter of the hose, the air conditioning system operates under stable conditions, which promotes uniform cooling of the vehicle interior.
Advantages of using an original Mercedes hose
Using an original hose in the air conditioning system brings a number of practical assembly and operational benefits:
- Factory fit – the correct length, shape, and mounting points facilitate installation in the original body brackets.
- Compatibility with equipment – the hose connectors are adapted to the factory compressor and other air conditioning system components.
- Stable system operation – maintaining the appropriate refrigerant flow cross-section promotes uniform operation of the compressor and expansion valve.
- Reduced risk of leaks – original ends and connection ports minimize the risk of problems after recharging the air conditioning.
Choosing such a component is particularly beneficial for repairs where compliance with factory service documentation and repeatability of system operating parameters are important.
Characteristics of the used component
The offered hose is a used component, which allows for a significant reduction in repair costs compared to new parts, while maintaining the original design. This type of part is a good choice in situations where:
- the existing hose has suffered mechanical damage (cracks, abrasion, corrosion at the connectors),
- replacement of the component is necessary after a collision or bodywork intervention,
- consistency with other air conditioning system components from the same brand is important.
A used hose allows for a balance between service costs and quality, as well as fitment for the specific vehicle model.
Integration with the air conditioning system and service aspects
When installing the air conditioning compressor hose, it is essential to follow the proper service procedure: emptying the system of refrigerant, replacing seals at connection points, and checking for leaks after installation. A correctly installed hose:
- ensures stable operating pressure throughout the system,
- reduces mechanical loads acting on the compressor ports,
- facilitates subsequent service, including diagnostics and potential re-opening of the system.
Thanks to maintaining the original hose design, service centers can use standard diagnostic procedures and tools intended for Mercedes vehicles.
Used Mercedes parts and cost optimization
Choosing original, used air conditioning system components is a sensible way to reduce the operating costs of a premium class car. If you want to learn more about the advantages of such solutions and find out how to safely select parts from dismantling, read the article: Used parts for Mercedes – original components from dismantling.
If you are planning a comprehensive repair or upgrade of the air conditioning area in your Mercedes and need other elements from the same group, such as high-pressure lines, flexible refrigerant hoses, or service connectors, check out the available parts in the Mercedes air conditioning hoses, pipes and connectors category.






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