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

BMW E90 E91 E92 Fresh Air Grille Right Dash Vent Part 9130466 9151168

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6987862

BMW E81 E87 E90 E91 Air Conditioning Compressor N47 Diesel 6987862

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 9130465

BMW E90 E91 E92 E93 Fresh Air Grille Left Dash Vent Part

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 7210639

BMW E90 E91 Air Vent Back Rear Centre Console Fresh Grille Black 7210639

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 6964965

Condenser Pipe BMW E88 E90 E90N E91 E92 E93 Air Con Pressure Hose

PLN 61.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 6906652

BMW X5 E53 3.0d M57N E60 E61 Heater Valve Water Pump 6906652

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

BMW E70 E81 E84 E90 LCI Blower Resistor Heater Regulator Control Unit 7304157

-9%

Part no. 7304157-1

BMW E70 E81 E84 E90 LCI Blower Resistor Heater Regulator Control Unit 7304157

Promo price

PLN 46.95

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 6934972

BMW E60 E61 E63 E64 Wiring Harness Fan 6934972

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6942617

BMW X1 E81 E82 E84 E87 E88 E90 E91 E92 Leaf Grill Left N/S 6942617

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6910544

Water Valve BMW X5 E53 E70 Heater Additional Water Pump 6910544

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 7059188

BMW E81 E82 E87 E88 Fresh Air Grille Dashboard Air Vent Right O/S 7059188

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6927845

Air Conditioning Pipe BMW X1 E81 E87 E90 E90N E91 E92 E93 A/C Hose 6927845

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 9190922

BMW E81 E87 E88 E90 E91 E92 E93 LCI Air Conditioning Control Panel 9190922

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 6826879

Air Con Pump BMW F10 F11 LCI Mini Cooper F56 F57 F60 Air Conditioning Compressor

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 7059187

BMW E81 E82 E87 E88 Cover Fresh Air Grille Left Vent N/S 7059187

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 9321034-2

BMW 1 3 Series 2 E81 E87 E90 E91 F20 F30 Actuator Matrix Heater Flap Motor

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6952992

Pressure Hose BMW E81 E87 E90 E91 Pipe Condenser Air Con 6952992

PLN 189.95

Free delivery: Aug 03

If paid before 14:00

Part no. 9226413

BMW E90 E91 LCI N47N Compressor Condenser Coolant Pressure Hose 9226413

PLN 142.95

Free delivery: Aug 03

If paid before 14:00

Part no. 6942618

BMW 1 3 X1 Series E81 E82 E84 E87 E88 E90 E91 E92 Leaf Grill Right 6942618

PLN 47.95

Delivery: Aug 03

If paid before 14:00

Part no. 6956716

BMW 1 3 SERIES E81 E87 E90 E91 E93 LCi N52 Air Conditioning A/C Compressor

PLN 332.95

Free delivery: Aug 03

If paid before 14:00

Part no. 9232585

BMW E90 E91 E92 LCI Pipe Evaporator Compressor Air Conditioning Hose 9232585

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 9123506

Matrix Heater Radiator BMW E81 X1 E84 E87 E90 E91 Heater Exchanger 9123506

PLN 61.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 6910804

BMW 5 SERIES E60 E61 Pressure Hose Compressor-Condenser PETROL 6910804

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 3400075

BMW X3 SERIES E83 Front Left Side Dash Air Vent Fresh Air Grille N/S

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6928587

BMW 3 Series E90 E91 E92 E93 LCi M57N2 Hose Suction Pipe Evaporator Compressor

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6920431

BMW E60 E61 E63 E64 LCI Heater Radiator Temperature Sensor 6920431

PLN 75.95

Free delivery: Aug 03

If paid before 14:00

Part no. 9127403

BMW E82 E90 E91 E92 Diesel N47 Engine Water Pump Hose Pipe 9127403

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 7800590-1

Fuel Injection Lines BMW E90 E91 LCI F10 F20 N47N Diesel Fuel Pressure Pipes Set

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 9226078

BMW 1 3 Series E81 E87 E90 E90N E91 E92 E93 LCI Aircon Heather Expansion Valve

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 9321034-1

BMW E81 E87 E90 E91 F20 F30 Actuator Matrix Heater Flap Motor 7193168

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6966404

BMW 3 Series E90 E91 E92 E93 Trim Front Plate Controls Air Conditioner Heater

PLN 75.95

Free delivery: Aug 03

If paid before 14:00

Part no. 6960860

BMW E87 E90 E91 LCI Air Conditioning Control Panel 6960860

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 7193168

BMW E81 E87 E90 E91 F20 F30 Motor Actuator Matrix Heater Flap 7193168

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 6930038

A/C Condenser BMW X1 E84 Z4 E89 E81 E87 E90 E91 Petrol Engine AC Condenser

PLN 46.95

Delivery: Aug 3 – 4

If paid before 14:00

Part no. 9289101

Air Conditioning Pipe BMW X1 F48 Mini F56 F60 JCW Pressure Hose Line 9289101

PLN 284.95

Free delivery: Aug 03

If paid before 14:00

Part no. 6832801

BMW X1 F48 Mini F55 F56 F57 F60 B38 B48 Coolant Hose Pipe Line Tube 6832801

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 8409064

BMW X5 Series E53 Heater Water Valve Radiator Right Hose 64218409064 8409064

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 8374995

BMW 5 7 X5 Series E39 E38 E53 WATER HEATER CONTROL VALVE 8374995

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6939464

BMW X5 Series E53 Air Con High Pressure Hose Pipe Compressor Condenser 6939464

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6918939

BMW X5 E53 3.0d M57N Connector Suction Pipe Coolant Line 6918939

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 7186776

Air Flap BMW E90 E91 E92 E93 LCI Control Air Duct Front Panel 7186776

PLN 94.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 6934822

BMW X3 E83 Fresh Air Flap Adjustment Gear Mechanism Actuator 6934822

PLN 75.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8385563

BMW 5 X5 Series E39 E53 Air Conditioning Evaporator Temperature Sensor 8385563

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6930015

BMW 1 3 Series E46 E83 E81 E87 E90 E91 E92 HEATER BOX TEMPERATURE SENSOR 6930015

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6942992

BMW 5 6 Series E60 E61 E63 E64 Right O/S Footwell Flap Actuator

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 9319037

BMW F10 F11 F12 F13 Heater Blower Actuator Flap Motor 9319037

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 7210644

BMW 3 Series E90 E90 Rear Back Centre Console Fresh Air Grille Vent Grey

PLN 75.95

Free delivery: Aug 03

If paid before 14:00

Part no. 9135744

BMW X3 E46 E83 Air Conditioning Matrix Heater Evaporator 9135744

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 9299328

BMW F20 F21 F30 F31 LCI Air Conditioning Compressor A/C Diesel 9299328

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 6961621

BMW 1 3 5 E60 LCI E81 E90 N53 AC Compressor Air Con Conditioning Pump 6961621

PLN 218.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 6975554

BMW F20 F21 F30 F31 LCI A/C Air Conditioning Evaporator 6975554

PLN 142.95

Free delivery: Aug 03

If paid before 14:00

Part no. 6942994

BMW 5 6 Series E60 E61 E63 E64 Defrost Flap Actuator Drive 6942994

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 7210648

BMW 3 Series E90 E91 Rear Centre Console Fresh Air Grille Vent Beige 6932023

PLN 113.95

Free delivery: Aug 03

If paid before 14:00

Part no. 6935440

BMW 5 X5 Series E39 E53 Heater Actuator Foot Room Flap Control Heat Solenoid

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6909235

BMW Z4 Series E85 E86 Petrol Pressure Hose Compressor Condenser 6909235

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 9223321

BMW 1 Series E81 E87 LCI N45N N46N Pressure Hose Compressor Condenser Pipe

PLN 180.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 9122825

BMW 5 6 7 Series E60 E63 E65 Air Conditioning Air Con Condenser Petrol 8379885

PLN 94.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 6934825

BMW X3 E46 E83 Air Conditioning Heater Blower Actuator 6934825

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 7552409

Engine Coolant Line BMW E82 E90 E91 E92 LCI Heater Return-Thermostat 7552409

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6942993

BMW 5 6 Series E60 E61 E63 E64 Left Footwell Flap Actuator

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 9119000

BMW 1 3 Series E87 E90 E91 E92 N43 Air Condition Con Pipe Hose Coolant 9119000

PLN 93.95

Free delivery: Aug 03

If paid before 14:00

Part no. 9209743

BMW E81 E87 Suction Air Pipe Evaporator Compressor N45N N46N Petrol

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 7119781

BMW 5 Series E60 E61 Emergency Call SOS Panic Roof Cover 7124011

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 6925973

BMW 1 3 X1 Series E81 E84 E87 E90 Panel Heater Left 6925973

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 7304157

BMW E81 E87 E90 E70 E84 LCI Heater Blower Regulator Resistor

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 3400403

BMW X3 Series E83 Condenser Dryer Coolant Pressure Hose Pipe Line 3400403

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 3403606

BMW X3 Series E83 Front Panel Body Hood Catch End Support Bracket 3403606

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 6934823

BMW 3 X3 Series E46 E83 Heater Blower Fresh Air Positioning Drive 6934823

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 9181464

Pressure Sensor BMW E60 E87 E90 F10 F20 F30 A/C Air Con Conditioning 9181464

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 8572508-1

Coolant Water Valve BMW F20 F30 LCI F32 Engine Cooling System B47 8572508

PLN 56.95

Delivery: Aug 03

If paid before 14:00

Part no. 6904013

BMW E46 Air Conditioning Condenser Dryer Pressure Hose Assy 6904013

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6942991

BMW 5 6 Series E60 E61 E63 Fresh Air Recirculation Left Positioning Drive N/S

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 8381544

BMW X5 SERIES E53 Pressure hose condenser evaporator pipe 64538381544 8381544

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 8391392

BMW 5 7 X5 Series E38 E39 E53 Heater Box Temperature Sensor 8391392

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 7553389

BMW X5 X6 Series E70 E71 Radiator Heat Exchanger Gearbox Oil Cooler 7553389

PLN 142.95

Free delivery: Aug 03

If paid before 14:00

Part no. 9212236

A/C Pipe BMW F20 F21 F22 F30 Pressure Hose Condenser Evaporator 9212236

PLN 94.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 8372783

BMW X3 E46 E83 Air Conditioning Matrix Heater Radiator 8372783

PLN 61.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 9321831-1

BMW Z4 E89 Cabrio Roadster Automatic A/C Air Conditioning Control 9321831

PLN 284.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8369806

BMW E87 E90 E91 E92 E93 LCi Additional Water Pump 8369806

PLN 123.95

Free delivery: Aug 03

If paid before 14:00

Part no. 9223694

BMW E90N F20 F30 LCI E89 Air Conditioning Compressor 9223694

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 9390099

BMW F20 F21 F22 Control Unit Sensor Air Conditioning System 9390099

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 9238085

BMW 1 2 3 4 Series F20 F21 F22 F23 F30 F31 F32 F33 F36 F80 M3 Temperature Sensor

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 9122453

BMW X5 X6 Series E70 E71 Rear Ventilation Trunk Boot Air Vent 9122453

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6914491

BMW E60 E60N E61 E61N Condenser Evaporator Pressure Hose Line Diesel 6914491

PLN 94.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 9209742

BMW X1 E84 E90 E91 N47 Air Conditioning A/C Pipe Hose Refrigerant Line 9209742

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 9209741

BMW E81 E87N SUCTION PIPE EVAPORATOR-COMPRESSOR DIESEL N47 9209741

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 9169526

BMW E81 X1 E84 E87 E90 E91 E92 Air Con Radiator A/C Condenser Rad 9169526

PLN 61.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 6927538

BMW E87 E90 E91 Diesel M47N2 Air Condition Con Pipe Hose Cool 6927538

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6929811

BMW 3 Series E90 E91 Petrol N54 335i Suction Air Pipe Evaporator-Compressor

PLN 75.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8377081

BMW X5 SERIES E53 AIR CON PRESSURE HOSE PIPE ASSY COMPRESSOR-CONDENSER PETROL

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 9337135

BMW F20 F21 F30 F31 F33 LCI B48 Suction Air Pipe Evaporator-Compressor

PLN 65.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8386166

BMW X5 Series E53 M62 4.4i 4.6is Air Conditioning Connector Suction Pipe 8386166

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 8513608

BMW F20 F21 Diesel N47N Radiator Coolant Line Hose Pipe 8513608

PLN 70.95

Free delivery: Aug 03

If paid before 14:00

Part no. 8380029

BMW X5 E53 Webasto Auxiliary Heating Bracket Carrier Holder Stand 8380029

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 9205389

BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F33 F34 GT F36 Left Floor Heater Duct

PLN 47.95

Delivery: Aug 03

If paid before 14:00

Part no. 9222699

BMW 1 Series E81 E82 E87 LCI N47 Engine Inlet Radiator Heater Hose 9222699

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 1490572-1

Mini Cooper One R50 R52 R53 Air Conditioning Condenser Petrol 1490572

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 6922301

BMW X3 Series E83 Air Conditioning Coolant Aluminium Double Pipe Line 6922301

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 9221856

BMW E81 E87 E90 E91 E92 Air Conditioning Control Switch 9221856

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

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Showing 1-99 of 1124 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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