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.

More information

Make

Mercedes W169 W245 Air Vent Dashboard Right O/S A1698300254

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A0038304460

Mercedes W176 W246 C117 Air Conditioning A/C Compressor Motor A0038304460

PLN 189.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0001591904

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

PLN 237.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2702230138

Mercedes C117 W176 W246 M270 Driveshaft Holder Bracket A2702230138

PLN 151.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0075421318

Air Temperature Sensor Mercedes W169 W204 W212 W906 Outside A0075421318

PLN 94.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1698200397

Mercedes-Benz A B Class W169 W245 Blower Motor Heater Resistor A1698200397

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Mercedes W177 Actuator A/C Heater Blower Fan Stepper Motor A0999063502

-9%

Part no. A0999063502

Mercedes W177 Actuator A/C Heater Blower Fan Stepper Motor A0999063502

Promo price

PLN 46.95

PLN 42.95

Delivery: Aug 04

If paid before 14:00

Part no. A6512340139

Mercedes W906 Carrier Air Conditioning Compressor A/C Bracket A6512340139

PLN 142.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0008303502

Air Conditioning Compressor Mercedes W176 W246 OM651 A/C Pump A0008303502

PLN 379.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0008358304

Mercedes Vito W639 Heater Matrix Blower Motor Fan Unit A0008358304

PLN 170.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2712030164

Mercedes W204 M271 Heater Water Coolant Pump Control Unit Valve A2712030164

PLN 189.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1698203042

Flap Actuator Mercedes W169 W245 Heater Flap Motor Actuator A1698203042

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A9108303201-1

Mercedes Sprinter W910 Front Air Vent Grill A9108303201

PLN 61.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0022305011

Mercedes W204 W212 Air Conditioning Compressor Air Con A/C Unit A0022305011

PLN 113.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1698301615

Mercedes W169 Air Conditioning Pressure Pipe Hose Line A1698301615

PLN 61.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1778305201

Mercedes W177 Air Con Refrigerant Pipe Conditioning Line Hose A/C A1778305201

PLN 75.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2128702110

Heater Blower Motor Mercedes W204 W207 W212 Resistor Regulator A2128702110

PLN 94.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1669060008

Mercedes W164 A/C Air Conditioning Heater Evaporator Control Motor A1669060008

PLN 189.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2048300461

Mercedes-Benz C E W204 W207 W212 Heater Heat Booster Matrix Electric Auxiliary

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A2722000031

Mercedes W204 W211 Heater Water Coolant Control Unit Valve Petrol A2722000031

PLN 94.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2059058813

Air Conditioning Panel Mercedes W205 C253 Climate Control Switch A2059058813

PLN 142.95

Free delivery: Aug 04

If paid before 14:00

Part no. A6462300356

Mercedes W203 OM646 Air Conditioning Air Con Pipe Hose Diesel A6462300356

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A0008302700

Air Conditioning Compressor Mercedes W204 W212 Air Con A/C Pump A0008302700

PLN 284.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2118300103

Mercedes-Benz E-Class W211 Cabin Pollen Air Filter Housing Cover A2118300103

PLN 85.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1778305501

Mercedes W177 Air Con Refrigerant Pipe Conditioning Line Hose A/C A1778305501

PLN 94.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1112030282

Mercedes-Benz W202 W203 W210 M111 Radiator Coolant Hose Pipe Tube A1112030282

PLN 42.95

Delivery: Aug 04

If paid before 14:00

Part no. A2118304015

Air Conditioning Pipe Mercedes W211 W219 A/C Air Con Hose Line A2118304015

PLN 256.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2108310546

Mercedes W210 Rear Nozzle Floor Air Duct Leg Channel Vent A2108310546

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A1698301815

Mercedes A Class W169 Air Conditioning Pressure Pipe Hose Line A1698301815

PLN 56.95

Delivery: Aug 4 – 5

If paid before 14:00

Part no. A2059054215

Mercedes W205 Automatic Air Conditioning Heater Blower Panel A2059054215

PLN 189.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2116280511

Mercedes W211 C219 Power Steering Rack Support Plate A2116280511

PLN 94.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1778303302

Mercedes W177 Saloon Air Con Refrigerant Pipe Conditioning Line Hose A1778304801

PLN 113.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2118300572

Mercedes A C E Class W169 W203 W211 Temperature Sensor Dew Point A2118300572

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A2468300402

Air Conditioning Pipe Mercedes X157 W176 W246 A/C Coolant Hose Line A2468300402

PLN 94.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2478307800

Mercedes W177 Expansion Valve A/C Air Conditioning Valve Unit A2478307800

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A2048302216

Refrigerant Hose Pipe Mercedes W204 W207 Air Con Condenser Line A2048302216

PLN 56.95

Delivery: Aug 04

If paid before 14:00

Part no. A2468303215

Mercedes W176 A/C Air Conditioning Refrigerant Pipe A2468303215

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A2308300184

Mercedes-Benz C E Class W203 W204 W207 W211 Heater Expansion Valve A2308300184

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A0009069207

Mercedes Sprinter W907 W910 Air Conditioning Stepper Motor A0009069207

PLN 218.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2128202610

Mercedes W212 Switch Panel Dashboard Heated Seats Control Unit A2128202610

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A9068308600

Mercedes Sprinter W906 Air Conditioning A/C Air Con Hose Pipe Line A9068308600

PLN 142.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2038320425

Mercedes W203 Windshield Cowl Panel Air Duct Baffle A2038320425

PLN 42.95

Delivery: Aug 04

If paid before 14:00

Part no. A2110000283

Mercedes A C E W221 W169 W204 W212 Air Conditioning Pressure Sensor A2110000283

PLN 66.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1698300261-1

Mercedes W169 W245 Heater Booster Matrix Electric Auxiliary A1698300861

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A2208300384

Mercedes-Benz C S W203 W215 W220 Air Conditioning Expansion Valve A2208300384

PLN 47.95

Delivery: Aug 04

If paid before 14:00

Part no. A2218300972

A/C Temperature Sensor Mercedes W221 W222 C238 Rear Air Conditioner A2218300972

PLN 142.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2308300084

Mercedes W221 W216 W906 Heater Water Coolant Control Unit Valve A2308300084

PLN 123.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0045429018

Mercedes W164 W169 W204 C219 W221 Air Conditioning Pressure Sensor A0045429018

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A2059058813-1

Air Conditioning Panel Mercedes W205 C253 Climate Control Switch A2059058813

PLN 113.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2479061901

Mercedes W177 W247 Blower Resistor Heater Fan Regulator Control Unit A2479061901

PLN 47.95

Delivery: Aug 04

If paid before 14:00

Part no. A2059059716

Air Conditioning Panel Mercedes W205 W247 C253 Climate Control Switch

PLN 284.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2938301201

Mercedes H243 Expansion Valve A/C Air Conditioning Valve Unit A2938301201

PLN 61.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2128300154

Air Vent Mercedes W212 Fresh Left N/S Dashboard Trim Panel Grille A2128300154

PLN 75.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2048302915

Mercedes-Benz C-Class W204 OM646 CDI Air Conditioning Hose Pipe A2048302915

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A1668302001

Mercedes GLE W166 C292 Air Conditioning Pipe Refrigerant Hose A1668302001

PLN 123.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2218301216

Mercedes W221 M275 Petrol A/C Air Condition Climate Control Line A2218301216

PLN 161.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2128302516-1

Mercedes W212 Refrigerant Hose Pipe Air Conditioning Condenser Line A2128302516

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A0002006023-2

Radiator Fan Visco Mercedes Vito Viano W639 Engine Cooling Blower A0002006023

PLN 42.95

Delivery: Aug 04

If paid before 14:00

Part no. A0002309111

Mercedes W209 A/C Air Condition Compressor Pump Unit A0002309111

PLN 455.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1638300361

Mercedes-Benz M-Class ML W163 Heater Unit Heating Heater Case A1638300361

PLN 237.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1568850165

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

PLN 56.95

Delivery: Aug 04

If paid before 14:00

Part no. A0038304560

Compressor Mercedes W176 W242 W246 Air Conditioning Compressor A0038304560

PLN 522.95

Free delivery: Aug 04

If paid before 14:00

Part no. 132801373

Mercedes Sprinter W906 Air Heater Flap Motor Actuator Stepper 0132801373

PLN 47.95

Delivery: Aug 04

If paid before 14:00

Part no. A2129009109

Air Conditioning Panel Mercedes W212 Automatic Heater A/C Control A2129009109

PLN 94.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2048311346

Mercedes-Benz W204 W207 Ventilation Duct Air Rear Footwell A2048311346

PLN 47.95

Delivery: Aug 4 – 5

If paid before 14:00

Part no. A2468303415

Air Conditioning Pipe Mercedes W176 W246 Refrigerant Hose Line A/C A2468303415

PLN 94.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2048302815

Air Conditioning Pipe Mercedes W204 W207 Refrigerant A/C Hose Line A2048302815

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A1688204242

Mercedes-Benz A-Class W168 Valeo Heater Flap Actuator Motor A1688204242

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A2048300600

Mercedes W204 Air Conditioning A/C C63 AMG Compressor Hose Pipe Line A2048300600

PLN 94.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0008357904

Mercedes Vito W639 Heater Matrix Blower Motor Cooling Fan Unit A0008357904

PLN 142.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1718300915

Mercedes R171 Air Conditioning Pipe Compressor To Condenser A/C Line A1718300915

PLN 142.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2049002103

Mercedes W204 Heater Climate Control Unit Switch Button Knob Panel A2049002103

PLN 123.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2058309600

Mercedes W205 Air Condition Conditioning A/C Air Con Pipe Hose Line A2058309600

PLN 94.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2468300102

Mercedes W176 W246 Air Conditioning A/C Pipe Hose Refrigerant Line A2468300102

PLN 123.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0032308611

Air Conditioning Compressor Mercedes R172 W204 C207 Air Con A/C Pump A0032308611

PLN 474.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2468305600

Mercedes W176 Air Conditioning Pipe Refrigerant Compressor Line A/C A2468305600

PLN 189.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2058302900

Mercedes C205 OM651 Air Condition Pressure A/C Pipe Hose Line Tube A2058302900

PLN 189.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2058305301

Mercedes W205 Air Con Pipe Conditioning Line Hose A/C A2058305301

PLN 94.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1688300072

Mercedes-Benz A-Class W168 Intake Temperature Sensor A1688300072

PLN 42.95

Delivery: Aug 04

If paid before 14:00

Part no. A2058308600-1

Heater Mercedes W205 Booster Heater Additional Auxiliary Heater A2058308600

PLN 61.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2048304615

Mercedes W204 C207 Air Conditioning Pipe Refrigerant A/C Hose Line A2048304615

PLN 75.95

Free delivery: Aug 04

If paid before 14:00

Part no. A6512000431

Shut Off Valve Mercedes W204 W212 OM651 Water Circulation Pipe Hose A6512000431

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A6398303015

Mercedes Vito Viano W639 Air Conditioning A/C Air Con Hose Pipe Line A6398303015

PLN 75.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2218300246

Mercedes W221 Air Vent Duct Channel Bottom Front Right O/S A2218300246

PLN 56.95

Delivery: Aug 04

If paid before 14:00

Part no. A1688204342

Mercedes-Benz A-Class W168 Valeo Heater Flap Actuator Motor A1688204342

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A2469008415

Mercedes W176 W246 Heater Climate Control Switch Panel Control Unit A2469008415

PLN 237.95

Free delivery: Aug 04

If paid before 14:00

Part no. A1698300661

Mercedes-Benz A B Class W169 W245 Heater Radiator Matrix A1698300661

PLN 47.95

Delivery: Aug 04

If paid before 14:00

Part no. A2118300761

Mercedes W211 Diesel Heater Matrix Electric Auxiliary Heater Radiator

PLN 56.95

Delivery: Aug 04

If paid before 14:00

Part no. A2048309815

Mercedes W204 Air Conditioning Compressor Refrigerant Hose Line A/C A2048309815

PLN 94.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2712300656

Mercedes C CLK W203 C209 Kompressor Air Conditioning Suction Pipe Line

PLN 75.95

Free delivery: Aug 04

If paid before 14:00

Part no. A0032308511-1

Air Conditioning Compressor Mercedes W204 W212 M271 OM651 A/C Pump A0032308511

PLN 474.95

Free delivery: Aug 4 – 5

If paid before 14:00

Part no. A1698300261

Mercedes W169 W245 Heater Booster Matrix Electric Auxiliary A1698300261

PLN 66.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2028300184

Mercedes-Benz C E Class W202 W210 Air Conditioning Expansion Valve A2028300184

PLN 46.95

Delivery: Aug 04

If paid before 14:00

Part no. A6398701910

Mercedes Vito W639 Switch Control Panel Block ASR Wiper Heat Hazard A6398701910

PLN 142.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2642009700

Mercedes W205 M264 Coolant Air Conditioning Pipe A/C Hose Line Tube A2642009700

PLN 113.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2208300772

Mercedes W204 W212 W246 W639 Air Interior Temperature Sensor Sender A2208300772

PLN 42.95

Delivery: Aug 04

If paid before 14:00

Part no. A2468301002

Mercedes W176 W246 Air Conditioning Pipe Air Con Condenser Line A/C A2468301002

PLN 161.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2228301801

Expansion Valve Mercedes C118 W177 W205 Air Conditioning A/C Valve A2228301801

PLN 332.95

Free delivery: Aug 04

If paid before 14:00

Part no. A2468303515

Mercedes C117 X156 W176 Refrigerant Pipe Air Conditioning Line Hose A2468303515

PLN 180.95

Free delivery: Aug 04

If paid before 14:00

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Showing 1-99 of 758 products

Air conditioning and heating systems – original parts for BMW, Audi, Mercedes and more

Compressors, heaters, hoses and regulators – comprehensive solutions for your comfort

Air conditioning and heating systems are systems that ensure travel comfort regardless of weather conditions. Air conditioning cools the vehicle interior on hot days, while the heating system provides warmth in winter. In modern cars, these systems are integrated, offering both convenience and safety by improving visibility through windshield defrosting. In the Global Parts automotive store, you will find a wide selection of used car parts for air conditioning and heating systems, such as compressors, evaporators, heaters, or condensers, perfectly matched to brands like BMW, Audi, Mercedes, Volkswagen, Mini, and many others. Our offer also includes components for specialized models, e.g., BMW E60 manual air conditioning, as well as a full range of heating and air conditioning systems for passenger and commercial vehicles. Each part is matched to a specific model, which guarantees compatibility and correct installation while maintaining optimal system performance.

How do air conditioning and heating systems work?

Air conditioning and heating systems are advanced systems that work together to provide ideal conditions inside the vehicle. Key elements of these systems include:

A/C compressors and clutches – responsible for compressing the refrigerant and maintaining the efficient operation of the air conditioning system.
A/C lines, hoses, and connectors – ensure the airtight transport of refrigerant between individual system components.
A/C controllers – control the operation of the cooling and heating system, allowing for precise temperature settings in the cabin.
Evaporators – responsible for heat exchange and cooling the air before it enters the vehicle interior.
Cabin and pollen filters – protect the vehicle interior from pollutants, dust, and allergens, improving air quality.
Condensers (radiators) – responsible for dissipating heat from the air conditioning system, enabling its effective operation.
Temperature sensors – monitor the internal and external temperature of the vehicle, ensuring automatic adjustment of the air conditioning operation.
Expansion valves – regulate the flow of refrigerant and its pressure in the air conditioning system.
Pressure switches – responsible for monitoring the refrigerant pressure level, protecting the system from damage.
Blowers and fans – responsible for air circulation in the cabin and even distribution of cool or warm air.
Heater control valves – control the flow of coolant to the heater core, ensuring effective cabin heating.
Heat exchangers – components responsible for efficient heat exchange between different systems in the vehicle.
Actuator motors – control the airflow in the air conditioning system, allowing for precise temperature regulation in the cabin. A functional air conditioning and heating system is a guarantee of comfort and safety during every journey.

Construction and purpose of air conditioning and heating systems

Air conditioning and heating systems are a set of components mounted in the engine compartment, the cowl area, and inside the blower housing. This system is used for cooling, heating, dehumidifying, and distributing air in the cabin. A typical system includes a compressor, condenser, evaporator, lines, valves, heater core, blower, and control elements. In practice, proper operation also depends on compatibility with the electrical system and Engine cooling systems.

Comparison of air conditioning and heating system components

Component	Main function	Installation location	What to check when selecting
A/C compressor	Compressing refrigerant and forcing circulation	Usually near the engine, on the belt drive	OEM number, connector type, pulley, mounting, engine version
Evaporator	Cooling and dehumidifying air	In the blower housing inside the vehicle	Housing dimensions, ports, compatibility with A/C version
Heater core	Heating air directed to the cabin	In the HVAC module under the dashboard	Port layout, housing type, body and equipment version
Control panel / regulator	Managing temperature, fan speed, and airflow direction	Center console	Manual or automatic version, number of buttons, connectors, OEM number

Refrigerant circulation and airflow control function

The refrigerant circuit is used to extract heat from the car interior and release it outside the vehicle. In the cooling section, the compressor increases the refrigerant pressure, the condenser dissipates heat, and the evaporator lowers the temperature of the air entering the cabin. The blower module, in turn, refers to the assembly of flaps, ducts, and actuators that direct the stream to the windshield, face, or feet. The cooperation of these elements depends on the efficiency of the sensors and compatibility with Automotive electrical systems.

Part selection and inspection points before installation

When choosing a component such as an Audi A4 B8 A/C compressor, it is worth comparing the OEM number, pulley type, mounting layout, and electrical connector type. When selecting a part for the HVAC system, one should check the engine version, body style, type of temperature control, and potential compatibility with Car interior equipment. In practice, replacement numbers, port positions, and sensor completeness also matter. For major repairs, it is worth simultaneously verifying the condition of lines, the receiver-drier, and elements from the Intake and fuel system category if their removal interferes with access to the part.

Examples of parameters and compatibility

Component	Typical parameters	Example models	Compatibility
Compressor	OEM number, connector type, pulley type, mounting points	BMW E60, Mercedes W202	To be checked by engine and equipment version
Heater core	Port layout, housing, compatibility with blower module	BMW E90, Audi A4	Manual and automatic heating systems
Evaporator	Connection layout, core dimensions, housing type	Volkswagen Passat B6, Mini Cooper	Selection by A/C version and OEM number

Why is it worth maintaining air conditioning and heating systems?

Regular maintenance and replacement of worn-out air conditioning and heating system components are the basis for comfort and reliability. A neglected system can lead to:

Inefficient cooling or heating of the vehicle interior.
Excessive windshield fogging, which reduces visibility and safety.
Unpleasant odors caused by contaminants in the system. At Global Parts, we offer used car parts that have undergone rigorous quality tests, ensuring their full functionality. Air conditioning and heating systems in modern vehicles often include automatic temperature control, meaning sensors monitor not only temperature but also air humidity and sunlight levels. An example is the BMW E60 manual air conditioning with an option for automatic adjustment of vents to the interior temperature, or Mercedes W202 air conditioning systems with airflow regulation depending on the selected program.

How to choose the right parts for air conditioning and heating systems?

When choosing parts for air conditioning and heating systems, such as compressors, heater cores, or evaporators, it is worth paying attention to:

Matching the vehicle model – Each car model has its own technical specifications. At Global Parts, you will find parts for air conditioning and heating systems perfectly matched to BMW, Audi, Mercedes, Volkswagen, Mini, and many others.
Technical condition – Used parts, such as A/C compressors or condensers, should be fully functional and ready for further use.
Type and performance of components – For example, A/C compressors should be adapted to the size of the vehicle and the expected performance. Additionally, it is worth paying attention to the type of system: manual, automatic, or hybrid. Manual systems, e.g., BMW E60 manual air conditioning, require simpler regulators, while automatic systems, found in the Mercedes W202, integrate temperature sensors, variable-speed fans, and electronic control valves. Installation and compatibility with other components, such as HVAC, vents, and blowers, are crucial for system efficiency.

Why is it worth choosing used parts for air conditioning and heating systems?

Used car parts are an excellent solution that allows you to combine savings with high quality. By choosing used components, such as heater cores, condensers, or fans, you gain:

Lower costs – Used parts are significantly cheaper than new ones but offer equally high quality.
Ecology – You support recycling, reducing the amount of automotive waste.
Wide availability – We offer parts for the most popular car brands, which makes it easier to find the right components. Thanks to used parts, you can also easily supplement rarer elements of air conditioning and heating systems for many passenger and commercial vehicle models. Maintaining full compatibility with HVAC systems allows for effective system operation and cost savings.

How to take care of air conditioning and heating systems?

To ensure air conditioning and heating systems work efficiently for years, it is worth remembering a few rules:

Regularly replace cabin filters – this ensures clean air in the cabin and more efficient system operation.
Check the condition of evaporators and condensers – contaminants can reduce the efficiency of the air conditioning system.
Service A/C compressors – regular inspection and refilling of refrigerant are crucial for system efficiency. In case of any problems with air conditioning or heating systems, at Global Parts you will find the right used auto parts that will help restore the vehicle's full functionality.

FAQ

Question	Answer
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.

Summary: air conditioning and heating systems at the Global Parts automotive store

Air conditioning and heating systems are an essential element of every vehicle, ensuring comfort and safety regardless of the weather. By taking care of their efficiency, you can enjoy a pleasant atmosphere in the cabin all year round. Global Parts offers used components for many brands and models, including BMW, Audi, Volkswagen, Mercedes, and Mini. Proper selection of parts by OEM number, car version, and equipment facilitates repair and maintains full system functionality. We invite you to contact us – we are here to help you! For more information and interesting facts, we also invite you to visit our automotive blog.

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