Mercedes W164 W251 Air Conditioning Compressor Pump Unit A0022305811

Mercedes W164 W251 Air Conditioning Compressor Pump Unit is an original cabin cooling system component designed for installation in vehicles with diesel engines. This used compressor provides a functional service solution, allowing for cost-effective restoration of air conditioning efficiency while maintaining factory operating characteristics. It is a practical choice for drivers who value thermal comfort and compliance with the manufacturer's design.

Specifications and technical data

• SKU: A0022305811-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0022305811
• Substitutable numbers: A0022305811, A 002 230 58 11
• Location on the vehicle: Front
• Fuel type: Diesel
• Part type: A/C Compressor
• Category: A/C Compressors & Clutches

Purpose and compatibility with the air conditioning system

The compressor is a component from the Air conditioning compressors and clutches group, responsible for compressing the refrigerant and maintaining stable operating parameters for the entire system. It has been designed for installation in the front of the vehicle, in the engine compartment, which ensures proper connection to the accessory drive and air conditioning lines.

The compressor's design is adapted to the specifics of diesel units, which is important for load characteristics, rotational speed, and interaction with engine accessories. This ensures adequate cooling efficiency both in city traffic and during highway driving.

Technical and functional characteristics

The air conditioning compressor in this model is responsible for:

• compressing and circulating the refrigerant in the air conditioning circuit,
• maintaining stable operating pressure under various engine load conditions,
• working with the belt-driven accessories in the front part of the power unit,
• proper interaction with the vehicle's air conditioning control system.

By maintaining the original design, compatibility with factory mounts, lines, and control elements is ensured, which facilitates installation and reduces the need for additional modifications.

Benefits of using an original used compressor

Using an original air conditioning compressor from disassembly allows you to maintain the consistency of the entire system with the manufacturer's solutions. This is particularly important in premium class vehicles, where the air conditioning system is integrated with comfort and safety systems. A used component represents a reasonable compromise between repair costs and maintaining original build quality.

By choosing such a component, you gain:

• preservation of the factory air conditioning operating characteristics,
• fitment to existing mounts and engine accessories,
• a cost-effective service solution compared to new components.

Application in Mercedes vehicles with diesel engines

The compressor is intended for Mercedes vehicles with diesel engines, where the air conditioning system must work with the torque curve characteristic of a diesel engine. Proper selection of the compressor according to fuel type is important for durability, smooth operation, and the load on the accessory drive.

The location in the front of the vehicle promotes proper cooling and easier service access, which facilitates both installation and any subsequent maintenance tasks.

Why it is worth choosing original used Mercedes parts

In the case of premium class vehicles, choosing original parts from disassembly is often the most rational solution. This allows you to maintain the technical consistency of the vehicle while limiting repair costs. If you want to better understand the advantages of this approach and learn how to safely choose used components, read the article Used parts for Mercedes – original parts from disassembly.

If you are planning a comprehensive repair or upgrade of the air conditioning system area in your Mercedes and need other components from the same group, such as other compressors, clutches, or related drive components, check the available parts in the Mercedes air conditioning compressors and clutches category.