Mercedes W164 Air Conditioning A/C Condenser Radiator Diesel OM629 A1645000054

Mercedes W164 Air Conditioning A/C Condenser Radiator Diesel OM629 is an original air conditioning system component designed for diesel-powered vehicles. The condenser plays a key role in the process of dissipating heat from the refrigerant, ensuring stable and efficient air conditioning operation. This used component allows for an economical yet technically sound repair of the refrigerant cooling system in your Mercedes.

Specifications and technical data

• SKU: A1645000054
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1645000054
• Substitutable numbers: A1645000054, A 164 500 00 54
• Location on the vehicle: Rear
• Fuel type: Diesel
• Category: A/C Condensers

Purpose and technical function

The presented condenser belongs to the Condensers (radiators) group and is intended for installation in the rear area of the vehicle. Its task is to condense the compressed refrigerant and effectively dissipate heat into the surroundings, which stabilizes the pressure in the system and enables the proper operation of the evaporator and compressor.

In a diesel-powered vehicle, such as one with the OM629 unit, a properly selected condenser is particularly important due to higher thermal loads during prolonged operation. The appropriate design of the air conditioning radiator supports maintaining a comfortable temperature in the cabin, even under high engine load and in urban conditions.

Compatibility with the Diesel OM629 unit

The air conditioning system in diesel cars requires components adapted to specific operating parameters, such as temperature ranges, pressures, and airflow characteristics. The condenser used in a Mercedes with the OM629 unit has been designed to:

• ensure stable heat dissipation during long-distance highway driving,
• maintain the appropriate refrigerant pressure throughout the entire engine speed range,
• work in harmony with factory air conditioning equipment and the cooling system.

Thanks to this, replacing it with an original, used component allows you to maintain the factory air conditioning performance characteristics without the need for system modifications.

Vehicle placement and installation aspects

The condenser is designed for installation in the rear part of the vehicle, which requires attention to proper hose routing and connection tightness. When selecting the component, it is worth verifying:

• compatibility with the body version and air conditioning system of the specific vehicle,
• the layout of mounts and connection ports,
• the condition of other system components, such as hoses, the receiver-drier, or the evaporator.

Selecting the right condenser for a specific Mercedes configuration helps reduce installation time and minimize the risk of leaks. The used OEM component retains factory mounting points, which facilitates service and ensures consistency with the vehicle's original design.

Benefits of using an original condenser

Using an original air conditioning radiator in a Mercedes W164 brings a number of practical benefits:

• preservation of factory refrigerant cooling efficiency,
• compatibility with the air conditioning system designed for the Diesel engine,
• proper fitment to the body structure and aerodynamic covers,
• the possibility of economical repair through the use of a proven, used component.

For the user, this means stable air conditioning operation, predictable system behavior under various operating conditions, and reduced service costs while maintaining factory functional parameters.

Related components and additional information

If you are planning a comprehensive repair or upgrade of the air conditioning and refrigerant cooling area in your Mercedes and need other elements from the same group, such as additional radiators, auxiliary condensers, or mounting hardware, check the available parts in the Condensers (radiators) Mercedes category.

In the case of more extensive service work on the vehicle, it is also worth taking care of the condition of other electrical components and engine accessories. If you are considering using aftermarket components in other areas of the vehicle, the following practical guide may be helpful: When is it worth replacing an alternator with a used one: a practical guide for drivers.