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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BMW Z4 E85 E86 1 Air Conditioning Heater Evaporator 6927613

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Skoda Fabia 5J A/C Air Condition Climate Control Switch Panel 5J0820045D

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Compressor BMW E46 Engine M43 M47 Air Conditioning A/C Compressor 8386650

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Volkswagen VW Golf Mk5 Air Conditioning Panel Control Switch 1K0907044CT

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Audi A4 B9 A5 F5 Air Conditioning Compressor Air Con A/C Unit Diesel 8W0816803L

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Audi RS4 B7 Coolant Air Conditioning Pipe A/C Hose Line Tube 8E0260701BT

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Climate Control Panel Mercedes W176 W246 Heater Switch Air Con A/C A2469002208

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BMW X3 E83 LCI E92 N52N A/C Air Con Conditioning Compressor 6918749

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Range Rover L405 Heater Air Conditioning A/C Control Switch Panel DPLA-18A802-DF

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VW Volkswagen Passat B7 Air Conditioning Compressor A/C Pump 1K0820859S

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Mercedes Vito W639 Air Conditioning A/C Refrigerant Pipe Line Hose A6398303700

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BMW F20 F21 A/C Air Conditioning Heater Switch Control Unit Panel 9287339

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Audi A4 B7 Automatic Air Conditioning Climate Control Panel 8E0820043BM

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BMW 5 X5 Series E39 E53 Air Suspension Control Unit Supply 1092396 37141092396

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Compressor BMW E46 X3 E83 Diesel M47N2 Air Conditioning Compressor A/C 6905643

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Mercedes W906 Heater Controller Blower Motor Fan Resistor A0008700089

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BMW X5 X6 Series E70 E71 F15 F16 Heating Radiator Heat Exchanger 669180B

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Mini Countryman R56 Automatic Air Conditioning Control Switch 3457397

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Audi Q7 4L Air Conditioning Pipe Refrigerant Hose Line Pipe A/C 7L6820744BQ

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Air Conditioning Panel BMW E83 X3 Automatic Climate Control Unit 3417544

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BMW X5 Series E53 Air Conditioning Heater Radiator Triple Aluminium Pipe 8385564

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Mini Cooper R60 Countryman Automatic Air Conditioning Control Switch Panel

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BMW E81 E87 E90 E92 Radiator Cooling Fan Shroud Motor N54 135i 335i 7544803

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Mercedes Vito Viano W639 AC Climate Heater Control Unit Switch Panel A6394460828

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VW Caddy Maxi 2k Air Conditioning Refrigerant Hose Tube Line Pipe 2K0816721C

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Chrysler Voyager Air Conditioning Compressor A/C Pump 89074

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BMW 1 3 X1 Series E81 E84 E87 E90 E91 Heater Closing Panel

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BMW F20 F21 F22 F23 F30 F31 Air Conditioning Heater Control Unit Switch 9363543

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