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 W639 Heater Flap Motor Air Vent Actuator A0008203708

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Part no. A0022304811

Mercedes-Benz A B Class W169 W245 Air Conditioning Compressor Pump A0022304811

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Part no. A2045000654

Mercedes W204 C207 W212 Air Con A/C Cooling Radiator Condenser A2045000654

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

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Part no. A2128303154

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

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Part no. A6394460429

Mercedes Vito W639 Heat Exchanger Heater Matrix Radiator Core Unit A6394460429

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Part no. A6398301715

Mercedes Vito W639 Air Conditioning Suction Hose A/C Compressor Pipe A6398301715

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Part no. A0001591904

Mercedes C E Class W203 W211 OM646 Water Coolant Heater Module A0001591904

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Part no. 9395479

BMW G20 G21 Air Conditioning Pipe A/C Coolant Hose Line 9395479

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Part no. A2088300166

Mercedes-Benz C208 W208 Front Left Nozzle Air Duct Leg Channel Vent A2088300166

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Part no. A6394460828

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

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Part no. A1688205110

Mercedes W168 Switch Control Panel ASR Off Wiper Heat Switch A1688205110

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Part no. A9108303201-2

Mercedes Sprinter W910 Air Vent Grill Outer Front A9108303201

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Part no. A4148200942

Mercedes-Benz Vaneo W414 Heater Blower Motor Fan Unit A4148200942

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Part no. A0008300202

Mercedes W205 Air Conditioning Compressor A/C Pump A0008300202

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Part no. A6398300115

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398300115

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Part no. A0022304711-1

Air Conditioning Compressor Mercedes W169 W245 Petrol M266 A/C Pump A0022304711

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Part no. A0008356007-3

Mercedes Sprinter W906 Heater Blower Motor Fan Unit Diesel A0008356007

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Part no. A0008303204

Mercedes W213 A/C Air Conditioning Compressor Pump Electric A0008303204

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Part no. A6398300215-1

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398300215

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Part no. A1568850165

Mercedes GLA X156 Bumper Carrier Holder Bracket Rear Left N/S A1568850165

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Part no. A9016800258

Dashboard Air Vent Mercedes W901 W903 Fresh Air Duct Right O/S A9016800258

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Part no. A1729002103

Mercedes R172 A/C Climate Heater Control Switch Module Unit Panel A1729002103

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Part no. A0032306011

Mercedes W166 Air Conditioning Compressor OM642 Air Con A/C Unit A0032306011

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Part no. A2108206210-1

Mercedes SLK R170 W202 C208 W210 Heater Blower Motor Fan Resistor A2108206210

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Part no. A1669008721

A/C Switch Mercedes W166 C292 Air Conditioning Blower Control Panel A1669008721

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Part no. A4478300861

Heater Mercedes W447 W907 Matrix Booster Additional Auxiliary Heater A4478300861

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Part no. A6399061300-2

Mercedes Vito W639 Air Conditioning Unit Control Switch Panel A6399061300

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Part no. A2108300661

Mercedes-Benz W202 W208 W210 Heater Matrix Heat Exchanger Radiator A2108300661

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Part no. A1698301585

Mercedes-Benz A B Class W169 W245 Heater Control Unit Switch Panel A1698301585

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Part no. A0001404585

Secondary Air Pump Mercedes W169 W245 Auxiliary Pump A0001404585

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Part no. A1698304160

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

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Part no. A2465000454-1

Mercedes W176 W246 Air Conditioning Condenser Radiator A/C A2465000454

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Part no. A2058319800

Air Duct Mercedes W205 W213 C238 Channel Cabin Front Right O/S A2058319800

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Part no. A0018303784

Heater Valve Mercedes S124 Recirculating Water Pump Double Valve A0018303784

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Part no. A1718300785-1

Mercedes R171 Heater Climate Conditioning Control Panel A1718300785

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Part no. A1668300008

Mercedes W166 Heater Blower Radial Motor Fan Centre Console A1668300008

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Part no. A2468300215

Mercedes W246 M651 Air Conditioning Pipe Compressor Pipe A2468300215

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Part no. A0008303902

A/C Compressor Mercedes W205 W443 W907 OM651 Air Conditioning Pump A0008303902

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Part no. A1688300485

Mercedes-Benz A-Class W168 Heater Climate Control Unit Switch Panel A1688300485

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Part no. A0008301301

Air Conditioning Compressor Mercedes W213 OM654 Diesel A/C Pump A0008301301

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Part no. A2712300556-1

Mercedes C CLK W203 C209 OM271 Kompressor Air Conditioning Air Con Pipe Line

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Part no. A1122301356

Mercedes-Benz W202 W208 M112 Petrol Air Condition Suction Hose Pipe A1122301356

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Part no. A1638204989-1

Mercedes W163 Heater Climate Control Unit Switch Panel A1638204989

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Mercedes-Benz E-Class W207 W212 Automatic Air Conditioning Switch Control Panel

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Part no. A0995003100

Mercedes W213 Air Conditioning Cooling Radiator Condenser A/C A0995003100

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Part no. A1688302703

Mercedes-Benz A-Class W168 Holder Pollen Filter Frame A1688302703

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Part no. A0008309300

Air Con Compressor Mercedes ML W166 GL X166 Air Conditioning Pump A0008309300

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Part no. A1688201542

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

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Part no. A6398300215

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398300215

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Part no. A0022304811-1

Air Conditioning Compressor Mercedes W169 W245 Air Con A/C Pump A0022304811

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Part no. A1112306056

Mercedes W210 E200 Petrol M111 Air Conditioning Compressor Hose A1112306056

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Part no. A2208300772

Mercedes W204 W212 W246 W639 Air Interior Temperature Sensor Sender A2208300772

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Part no. A6398306415

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398306415

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Mercedes R171 Seat Air Scarf Heater Blower Front Left N/S A1718300008

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Part no. A1688200897

Mercedes W168 Blower Motor Heater Resistor A1688200897

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Part no. A9068311545

Mercedes-Benz Sprinter W906 Dashboard Left N/S Air Duct Pipe Channel A9068311545

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Part no. A1669000106

AC Switch Mercedes ML W166 Air Conditioning Blower Control Panel A1669000106

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Air Vent Mercedes W212 Fresh Center Dash Dashboard Trim Panel Grille A2128302854

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Mercedes W176 W246 Heater Climate Control Switch Panel A2469008415

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Mercedes-Benz A-Class W168 Heater Blower Resistor Regulator A1688200297

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Air Conditioning Pipe Mercedes W204 M271 Compressor Condenser Refrigerant Line

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Part no. A4478350400

Mercedes W447 Expansion Valve A/C Air Conditioning Valve Unit A4478350400

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Part no. A1778309802

Mercedes W177 W247 Air Conditioning Pipe Refrigerant Line Hose A/C A1778309802

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Part no. A1668311800

Mercedes W166 Right Dashboard Fresh Air Vent Duct Channel A1668311800

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

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Part no. A6398350800

Mercedes W639 Air Conditioning Cooling Radiator Condenser A/C A6398350800

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Part no. A6462340539

Mercedes W906 Carrier Air Conditioning Compressor A/C Bracket OM646 A6462340539

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Part no. A6398306115

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

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Part no. A0075421313

Mercedes W169 W204 W246 Outside Air Temperature Sensor A0075421313

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Part no. A2475000054

Air Conditioning Condenser Mercedes W177 W247 Radiator Air Con A/C A2475000054

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Part no. A2058307201

Mercedes W205 Diesel M626 Air Confitioning Pipe Refrigerant A/C Compressor Line

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Part no. A0022307711

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

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Part no. HM078002

Mercedes W447 Blower Motor Heater Fan Resistor Regulator V-Class HM078002

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Part no. A1635013682

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

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Part no. A6399002600

Mercedes W639 Heater Booster Matrix Electric Auxiliary A6399002600

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Part no. A6398309115

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398309115

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Part no. A0022301911

Mercedes W639 W906 Air Conditioning Compressor Air Con Unit OM646 A0022301911

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Part no. A1688300858

Mercedes-Benz A-Classe W168 Air Con Conditioning Dryer Drier Pump A1688300858

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Part no. RHD-A2038300440

Mercedes C CLK W203 C209 Cabin Pollen Air Filter Box Housing Cover A2038300440

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Part no. A9068306315

Mercedes Sprinter W906 Air Conditioning A/C Air Con Hose Pipe Line A9068306315

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Part no. A6398302085

Mercedes Vito Viano W639 AC Climate Heater Control Unit Switch Panel A6398302085

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Part no. A2129002814

Air Conditioning Panel Mercedes W212 Automatic Heater A/C Control A2129002814

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Mercedes W212 A/C Air Condition Compressor Pump A0032302911

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