What is the construction and purpose of air conditioning and heating systems?

Air conditioning and heating systems are systems responsible for regulating temperature, humidity, and air circulation in the vehicle cabin. They consist of cooling and heating parts, and their elements are located both in the engine compartment and under the dashboard. A typical set includes, among others, a compressor, condenser, evaporator, heater core, blower, and control modules.

What are air conditioning and heating systems used for?

Air conditioning and heating systems are used to maintain appropriate conditions inside the car throughout the year. They are responsible for cooling in summer, heating in winter, and dehumidifying the air when defrosting windows. Their efficiency also affects driver comfort, visibility, and the correct operation of automatic airflow control.

What is the construction and function of the blower module?

The blower module is a set of ducts, flaps, actuators, and housings through which air enters the cabin. It is used to direct the stream to the windshield, feet, or the central zone and to mix warm and cool air. Depending on the version, it works with actuator motors, temperature sensors, and the control panel.

How to select a part for a specific car?

When selecting, it is best to compare the OEM number, engine version, A/C type, and the layout of mounts and connectors. In many cases, the pre-facelift or post-facelift version, the type of control panel, and the presence of additional sensors also matter. A safe solution is to verify the part by VIN or by the number of the removed element.

What symptoms indicate a problem with the air conditioning or heating system?

Typical symptoms include poor cooling, lack of heating, fogging windows, uneven blower operation, and unusual noises after turning on the air conditioning. In practice, the cause may be a leak in the lines, a worn compressor, a damaged control panel, or a faulty flap motor. It is also worth checking the cabin filter and the patency of the condensate drain.

What to pay attention to before installing a used HVAC component?

Before installation, it is worth comparing the condition of the housing, the completeness of ports, mounts, and electrical plugs, and the compliance of catalog numbers. For parts such as a compressor, evaporator, or heater core, it is also important to check for leaks and signs of previous repairs. A well-chosen element reduces the risk of re-removal and facilitates proper fitting with the rest of the system.

Air conditioning and heating installations

At Global Parts, we offer a wide selection of original used car parts, including air conditioning and heating parts for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our air conditioning and heating parts undergoes quality control to ensure you receive a top-quality product.

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Mercedes Vito W639 Air Flap Electric Motor Actuator Heater Blower 0132801332

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Mercedes W204 W212 Air Conditioning A/C Air Con Condenser Hose Pipe A2128302500

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Compressor Mercedes Benz A B W169 W245 Petrol Air Conditioning A0022301311

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Climate Control Panel Mercedes W176 W246 Heater Switch Air Con A/C A2469003616

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Mercedes W204 Air Con Panel Heater Climate Control Switch A/C Unit A2049005805

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Mercedes Viano Vito W639 Air Con A/C Pipe Conditioning Hose Line A6398300015

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Mercedes C117 X156 W176 Refrigerant Pipe Air Conditioning Line Hose A2468303515

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Climate Heater Control Mercedes C207 W212 Hazard Switch Panel Unit A2129005018

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Secondary Air Pump Mercedes W169 W245 Auxiliary Pump A0001404585

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Mercedes Sprinter W907 W910 Air Conditioning Stepper Motor A0009069207

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Heater Mercedes Vito W639 Additional Heat Exchanger Rear Heater A0008350500

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Mercedes Sprinter W906 Air Conditioning A/C Air Con Hose Pipe Line A9068306300

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Air Conditioning Panel Mercedes W176 Automatic Heater A/C Control A2469000515

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Air Conditioning Compressor Mercedes W204 W212 Air Con A/C Pump A0022303211

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Mercedes W212 Air Conditioning Pipe A/C AC Hose Line A2078303015

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Mercedes W204 Heater Climate Control Panel Air Con A/C Switch Unit A2049005805

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Mercedes A B Class W169 W245 Dashboard Dash Center Air Vent Grill A1698300054

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Mercedes Sprinter W906 Air Conditioning A/C Air Con Hose Pipe Line A9068306415

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Resistor Mercedes W205 W213 Heater Blower Fan Resistor Modul A0999060412

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