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 W205 Air Conditioning Compressor Air Con A/C A0008304002

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Peugeot 307 Air Conditioning Pipe A/C Air Con Line Hose 9647878780

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Mercedes W639 Switch Control Panel Block ASR Hazard Lights A6398701910

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Air Conditioning Compressor BMW F82 F83 M4 LCI S55 Petrol A/C Pump 6805073

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Mercedes Vito W639 Air Conditioning Suction Hose A/C Compressor Pipe A6398306115

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Mercedes Vito Viano W639 Air Conditioning Air Duct Channel Tube Rear A6398311745

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Mercedes-Benz A-Class W168 Heater Air Flap Actuator Motor Control A1688201542

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Air Vent Mercedes W212 Fresh Center Dash Dashboard Trim Panel Grille A2128303154

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Audi A1 8X VW Polo 6R Electric Auxiliary Heater Matrix Element Unit 6R0963235

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Mini Cooper S R52 R53 Pipe Air Con Pressure Hose Compressor Condenser Coolant

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Audi Q3 8U Coolant Air Conditioning Pipe A/C Hose Line Tube 8U0820741D

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Range Rover Evoque L538 Air Quality Sensor 31418282

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Mercedes W169 W204 W246 Outside Air Temperature Sensor A0075421313

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Seat Arona FR KJ7 Mk1 Audi A1 Mk2 Heater Vent Flap Motor Actuator 2Q0907511C

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Mercedes Vito W639 Air Conditioning Unit Control Switch Panel A6399061300

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Air Conditioning Compressor Mercedes W177 W247 Air Con A/C Pump A0008304202

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BMW Mini Cooper R55 R56 R57 Evaporator Compressor Coolant Suction Pipe 2751473

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Mini Cooper One R55 R56 Automatic Air Conditioning Control Unit Panel 3455301

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Porsche Cayenne 92A VW Touareg 7P Webasto Auxiliary Heater 3.0 TDI 7P0815008L

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Mercedes SLK R171 Petrol M272 Air Conditioning A/C Kompressor A0012305411

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Audi Q3 8U A/C Air Condition Heater Climate Control Switch Panel 8U0820043H

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Audi A1 8X Air Conditioning Compressor Sensor A/C Hose Pipe Line 6C0816743N

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Mercedes-Benz C E W204 W207 Dashboard Air Duct Channel Right O/S A2048311246

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Air Con Hose VW Polo 6R Seat Ibiza 4 Air Conditioning Pipe Line 6R0820721E

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BMW Z4 Series E85 Air Conditioning Condenser Dryer Pressure Hose Assy 9181863

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Audi A6 C6 3.0 TDI Radiator Fan Left Right N/O/S Engine Blower Set 4F0121003AC

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Air Con Compressor Mercedes W203 Air Conditioning A/C Compressor A0002306811

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BMW 7 E65 E66 Automatic Air Conditioning Climate Control Panel Switch 6970456

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Audi A4 A5 F5 Q5 FY B9 Interior Heater Exchanger Matrix 4M0898037C

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Land Rover Range Rover L322 Webasto Auxiliary Pre Heater XH42-9J294-CB

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Mini Cooper R60 Automatic Air Conditioning Heater Control Unit Switch 9812027

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Mercedes-Benz M-Class ML W163 Expansion Tank Recirculating Pump Coolant Hose

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A/C Pump BMW X3 Z4 E83 E85 N46 Air Con Conditioning Compressor 6908660

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Ford Transit Courier Air Con Conditioning Pipe Hose Tube Line ET71-19F618-HA

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BMW X5 X6 E70 E71 Switchover Valve Bracket Water Pump Motor 6950257

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BMW F01 F02 Radio Air Conditioning A/C Switch Control Unit Panel 9331872

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Ford Transit Mk8 Air Conditioning Compressor Pump KK31-19D629-CA

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Audi TT 8J Air Conditioning Pipe Refrigerant Hose Line Pipe A/C 8J0820719F

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Audi A5 8T Coolant Air Conditioning Pipe A/C Cooling Hose Line Tube 8K0819377E

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BMW E60 E61 E63 E64 Air Con Refrigerant Hose 540i 550i 650i N62N 9155346

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BMW 5 Series E39 Lower Air Microfilter Cover Housing Part Right O/S 8379624

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Mini Cooper R55 R56 Automatic Air Conditioning Heater Control Unit Module

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BMW 3 Series E46 Heater Duct Tube Under Seat Left N/S 51478204105 8204105

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Heater Coolant Hose BMW E39 M52 M51 M57 M62 Heather A/C Pipe Line 8375796

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Audi Q7 4L 3.0 TDI Air Conditioning Hose A/C Pipe Line 7L6820744BD

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BMW F45 B38X Hybrid Auxiliary Electrical Coolant Water Heater 9371799

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Heater Mercedes Vito W639 Additional Heat Exchanger Rear Heater A6398302061

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