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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Audi RS4 B8 Secondary Air Pump Auxiliary Pump 07K959253A

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BMW E90 E91 E92 LCI X3 F25 Air Conditioning Compressor A/C Unit 9225704

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Range Rover Sport L494 A/C Air Con Conditioning Pipe Hose Line KPLA-19A834-CC

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VW Volkswagen Golf 8 CD1 Air Conditioning A/C Hose Pipe Line 5WA816721A

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VW Volkswagen Transporter T6 Heater Blower Motor Fan 2.0 TDI Diesel 7L2819021

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Audi RS6 C7 Air Conditioning Pipe Hose Line A/C 4G0260701AJ

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Dashboard Trim BMW E90 E91 1 Cover Plate Frame Air Conditioner Heater 6966406

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AUC Temperature Sensor BMW G20 G22 G23 G30 G11 G12 G70 Air Conditioning 9872065

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BMW F10 LCI B47 Coolant Line Pressure Hose Pipe Compressor Condenser 9376740

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Mercedes-Benz E CSL Class S211 W211 W219 Air Conditioning Hose Pipe A2118300615

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Audi Q3 SE Air Conditioning Pipe Hose Line A/C 8U0820721G

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Renault Master 3 Heating Radiator Heat Exchanger 7701209819

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VW Polo 6R Dashboard Air Outlet Grille Interior Right O/S Vent 6RF819704A

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Audi Q7 4L Webasto Auxiliary Additional Pre Heater Diesel 4L0815071G

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BMW E60 E61 520d M47N2 Air Conditioning Compressor Air Con Pump 6950152

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Seat Ibiza Mk5 5KJ A/C Air Condition Climate Control Switch Panel 6F0907044M

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BMW F10 Air Conditioning Climate Control Panel Radio A/C Switch 9353602

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Seat Ibiza Mk4 Air Conditioning Line A/C Air Con Pipe Hose Petrol 6C0820741AB

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BMW X5 E70 LCI X6 E71 F10 F11 Air Conditioning Compressor A/C Pump N57 6987890

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BMW F06 F12 F13 Radio Air Conditioning A/C Switch Control Unit Panel 9328430

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Mercedes W221 Air Conditioning A/C Condenser Radiator Diesel A2215001354

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BMW X3 F25 X4 F26 Air Conditioner Evaporator Expansion Valve 6823978

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Mercedes W204 Heater Climate Control Unit Switch Button Knob Panel A2049002103

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Volkswagen Polo 6R Expansion Valve Air Conditioning A/C Valve 6Q0820679F

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Ford Transit Custom MK8 A/C Air Conditioning Hose Pipe Line GK21-19D850-AH

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BMW 5 Series E60 E60N E61 LCI Front Bumper Air Duct Trim Left N/S 7897175

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BMW 7 Series E65 730d M57N Pressure Hose Compressor Condenser Pipe 8385265

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BMW 1 2 3 F20 F21 F22 F30 F31 Heater Air Conditioning Matrix Actuator Diesel

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Mercedes A B W169 W245 Air Conditioning Heater Matrix Unit Housing Box Diesel

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Audi A4 B9 Air Conditioning Pipe A/C AC Hose Line 8W0816738Q

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BMW E90 E91 N47 Air Con Compressor Condenser Pressure Hose 9223319

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Mercedes R170 Air Conditioning A/C Evaporator A1708300158

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Volkswagen Golf Mk5 Audi A3 8P Air Conditioning Pipe Hose Line 1K0820743FG

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Air Conditioning Panel Renault Trafic II Vivaro A Heater Climate Control X83WKA

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Mercedes ML W164 Air Con Refrigerant Pipe Conditioning Line Hose A1648305315

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Skoda Fabia 6Y VW Polo 6N Heater Blower Motor Fan A/C 6Q2819015G

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Mercedes W211 Diesel Heater Matrix Electric Auxiliary Heater Radiator

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Mercedes W204 W212 Heater Blower Radial Motor Fan Centre Console A2048300008

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Volkswagen Golf Mk5 Audi A3 8P Air Conditioning Pipe Hose Line 1K0820741BC

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Mini Cooper One 2 R50 R52 R53 A/C Air Conditioning Pump Compressor 1171310

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Audi A3 8V Volkswagen Golf Mk7 A/C Air Conditionin Pipe Hose Line 5Q0816721AC

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Hyundai H1 AC Switch Blower Heater Air Conditioning Control Panel 972504H9404X

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Volkswagen Golf MK6 Air Conditioning Compressor Air Con A/C Pump 1K0820808D

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BMW F30 LCI 330e B48X Compressor Condenser Pressure Hose Line 9368332

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BMW X3 G01 G20 G21 G30 G31 Electric Auxiliary Water Heater Heating Unit 9892240

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Audi A4 B8 A5 8T A/C Expansion Valve Air Conditioning Evaporator TGK Y7556003

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BMW E60 E61 E63 E64 M5 M6 Grommet Pipe Coolant Lines A/C Seal Gasket 6915174

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VW Volkswagen Phaeton 3D Auxliary Heat Exhchanger Control Valve 3D2959617A

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Mercedes W204 C207 W212 C218 A/C Air Conditioning Compressor Pump A0032308811

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Audi A4 B7 Air Con Conditioning Compressor A/C Pump 8E0260805BJ

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Audi Q2 GA Dashboard A/C Air Condition Heater Control Panel Unit 83A820047J

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Volkswagen Transporter T5 Panel Climate Control Switch 7H5919158J

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Mercedes W639 W906 A/C Air Conditioning Compressor Climate Pump A0022307711

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Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398300215

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Land Rover Range Rover Velar L560 Adblue Pipe Line 2.0 Diesel M8A2-5J249-BC

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