Air conditioning and heating installations
More informationAt 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.
Make
Category
Subcategory
Condition
In Stock
Price
-5%
Part no. 8K0820521B
Audi A4 B8 VW Blower Motor Heater Fan Resistor Regulator 8K0820521B
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 4G0919158Q
Audi A7 4G8 Heater Climate Control A/C Air Conditioning Unit Panel 4G0919158Q
Promo price
€66.95
€56.91
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 4H0907658A
Audi Q5 FY Interior Air Quality Sensor 4H0907658A
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 8K0819203J-1
Audi A5 8T Rear Centre Console Heater Air Vent Grille 8K0819203J 8K0819203H
Promo price
€28.95
€24.61
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8X0959672C
Audi A1 8X Switch Control Panel Hazard Air Module Auto On Off 8X0959672C
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 1K0963235G
Audi Q3 8U Auxiliary Electric Heater Radiator Element Core 1K0963235G
Promo price
€32.95
€28.01
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 1K0820743FD
Audi A3 8P Air Conditioning Compressor Sensor A/C Hose Pipe Line 1K0820743FD
Promo price
€28.95
€24.61
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 81A820901B
Audi A3 S3 8V Air Vent Dashboard Duct Right Left N/O/S Center 81A820901B
Promo price
€28.95
€24.61
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 06M121678F
Audi A4 S4 B9 3.0 TFSI Petrol Water Coolant Thermo Pneumatic Valve 06M121678F
Promo price
€37.95
€32.26
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 4M0820511A
Audi Q5 FY Heater Box Air Condition Servo Motor 4M0820511A
Promo price
€104.95
€89.21
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 8V0820043AL
Audi S3 8V A/C Air Condition Heater Climate Control Switch Panel 8V0820043AL
Promo price
€61.95
€52.66
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 4H0121670A
Audi A8 4H Heater Water Coolant Pump Control Unit Valve 4H0121670A
€23.95
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 5Q0907511A
Heater Flap Motor Audi A3 8V VW Passat B7 Actuator Blower Unit 5Q0907511A
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 8E0260701BS
Audi A4 B7 Pressure Air Pipe Evaporator-Compressor Air Con Pipe 8E0260701BS
€56.95
Free delivery: Jul 3 – 6
If paid before 14:00
-40%
Part no. 3Q0816803D
Audi S3 8Y VW Golf Mk8 A/C Air Conditioning Pump Compressor 3Q0816803D
Promo price
€104.95
€62.97
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 8K0260805H-2
Audi S5 8T Air Con Conditioning Pump Compressor Petrol Climate A/C 8K0260805H
€70.95
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 059121065FK
Audi A7 4G8 Water Coolant Pipe Hose Line 059121065FK
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 4H0959126B
Audi A3 8V A4 A5 A6 Q7 Q8 A/C Air Con Conditioning Pressure Sensor 4H0959126B
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-40%
Part no. 4H0898037-1
Audi A6 C7 Heater A/C Air Conditioning Matrix Behr 4H0898037
Promo price
€47.95
€28.77
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 4L0815071G
Audi Q7 4L Webasto Auxiliary Additional Pre Heater Diesel 4L0815071G
€123.95
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 4M0820511A-1
Audi A5 F5 A6 C8 A7 4G Q5 FY Heater Box Air Condition Servo Motor 4M0820511A
Promo price
€99.95
€84.96
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8Z0820535A
Seat Skoda Audi Volkswagen External Temperature Sensor Control Unit 8Z0820535A
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-40%
Part no. 8K0260805H
Audi S5 8T Air Con Conditioning Pump Compressor Pertol Climate A/C 8K0260805H
Promo price
€104.95
€62.97
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8E0959777B
Audi Q7 4L Seat Switch Front Lumbar Control Buttons Unit 8E0959777B
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-40%
Part no. 420898037A
Audi A6 C6 4F Air Conditioning Heat Exchanger Hose 420898037A
Promo price
€47.95
€28.77
Free delivery: Jul 2 – 6
If paid before 14:00
-15%
Part no. 4H0820043N
Audi A8L 4H A/C Air Condition Heater Climate Control Switch Panel 4H0820043N
Promo price
€56.95
€48.41
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 1J0819809
Audi A4 B8 Heater Core Water Coolant Control Unit Valve 1J0819809
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8K0819011B
Audi A4 B8 Electric Auxiliary Heater Matrix Element Unit 8K0819011B 8K0819011C
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 8T0260701N
Audi A5 8T A4 B8 Air Conditioning A/C Air Con Pipe Hose Line 8T0260701N
€28.95
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 4H0121671D
Audi A5 8T Heater Water Coolant Pump Control Unit Valve 4H0121671D
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 8T0260805F-1
Audi A4 B8 A5 8T Air Conditioning A/C Compressor Pump Air Con Unit 8T0260805F
Promo price
€113.95
€96.86
Free delivery: Jul 3 – 6
If paid before 14:00
-2%
Part no. 059145169CD
Audi A6 C7 A7 4G A5 F5 Air Conditioning Compressor Bracket 059145169CD
Promo price
€23.95
€23.45
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 4H0260702A
Audi A8 S8 4H A8 D4 Air Conditioning Condenser Pipe Adapter 3.0 TDi 4H0260702A
€42.95
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 1K2820103-1
Audi A3 8P VW Golf Mk6 Expansion Valve A/C Air Conditioning Valve Unit 1K2820103
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 8K0260403AF
Audi A4 B8 Radiator Water Cooler Air Conditioning A/C Unit 8K0260401H
€85.95
Free delivery: Jul 2 – 6
If paid before 14:00
-40%
Part no. 8U0820043D-1
Audi Q3 8U Dashboard Heater Climate Control Panel Switch A/C 8U0820043D
Promo price
€94.95
€56.97
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 4F0820189H
Audi A6 C6 Air Conditioning A/C Dryer Condenser 4F0820189H
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-40%
Part no. 7L0820526C
Audi Q7 4L Air Duct Centre Rear Compartment Air Vent Duct 7L0820526C
Promo price
€47.95
€28.77
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 4M0816805B
Audi A6 C8 A7 4K Air Con Non Return Valve 4M0816805B
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 1J0907521
Audi TT 8N Heater Blower Fan Motor Resistor 1J0907521
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 1K0819422B
Volkswagen Skoda Seat Audi TT 8J Pollen Filter Housing Panel 1K0819422B
€23.95
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 1K0907511D
Audi A3 8P TT 8J Heater Flap Positioning Motor Actuator 1K0907511D
€23.95
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 95B965501H
Audi A5 F5 Porsche Macan 95B Front Grille Actuator Motor 95B965501H
€51.95
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 8R0819334E
Audi Q5 8R Water Heater Connecting Pipe Hose Line 8R0819334E
€23.95
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 4B0820539
Audi Q7 4L A/C Air Vent Temperature Control Sensor 4B0820539
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 4E0919158F
Audi A8 S8 D3 Rear Heater Climate Control Switch Panel Unit 4E0919158F
Promo price
€32.95
€28.01
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8K0260707S
Audi A4 B8 2.0 TDI CJCB Diesel A/C Condition Pipe Hose Line Tube 8K0260707S
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 4M0820521
Audi Q7 4M Blower Motor Heater Fan Resistor Regulator 4M0820521
€23.95
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 4F0820189E
Audi A6 C6 R8 42 Air Conditioning A/C Dryer Condenser Filter 4F0820189E
€23.95
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8T0820521A
Audi A5 S5 8T Blower Heater Fan Resistor Regulator 8T0820521A
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 4M0820511
Audi Q7 4M Heater Box Air Condition A/C Air Con Servo Motor Unit 4M0820511
Promo price
€99.95
€84.96
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 8K0907658
Audi A4 B8 A/C Air Condition Air Quality Sensor 8K0907658
€28.95
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8W0819011
Audi A4 B9 2.0 TDI DETA Additional Radiator Auxiliary Heater Element 8W0819011
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 4F0260197E
Audi A6 S6 4F A6 C6 Air Conditioning A/C Drier Mounting Bracket Mount 4F0260197E
€61.95
Free delivery: Jul 3 – 6
If paid before 14:00
-40%
Part no. 4G0260805F
Audi A7 S7 4G 4.0 TFSI Air Conditioning Compressor A/C Pump 4G0260805F
Promo price
€113.95
€68.37
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 4L0819793
Audi Q7 4L Dashboard Defrost Air Vent Front Left Right N/O/S 4L0819793
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8T0820679
Audi A4 B8 A5 8T Expansion Valve Air Conditioning Regulator 8T0820679
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8X0819681
Audi A1 8X Dashboard Light Sun Solar Sensor 8X0819681
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 83A820043G
Audi Q3 F3 Air Conditioning Control Display Panel Front Center 83A820043G
Promo price
€165.95
€141.06
Free delivery: Jul 3 – 6
If paid before 14:00
-40%
Part no. 8K0122055B
Audi A4 B8 Water Return Coolant Pipe Hose Line 8K0122055B
Promo price
€42.95
€25.77
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 8T0260805G
Audi A4 S4 B8 A5 S5 8T A/C Air Con Air Condition Compressor Pump 8T0260805G
€94.95
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8K0260701D
Audi A4 B8 Air Conditioning Pipe Refrigerant Hose Line Pipe A/C 8K0260701D
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8W0816743D
Audi A4 B9 A5 F5 A/C Air Condition Air Con Pipe Hose Line Tube 8W0816743D
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8K0819342K
Heater Pipe Audi A4 B8 A5 8T Water Hose 8K0819342K
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8W0819011A
Audi A6 C8 Additional Radiator Auxiliary Heater Element 8W0819011A
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 5Q0907521C-2
Audi A3 8V Q2 GA Blower Motor Heater Fan Resistor Regulator Unit 5Q0907521C
Promo price
€28.95
€24.61
Free delivery: Jul 3 – 6
If paid before 14:00
-40%
Part no. 4E0820043K
Audi A8 S8 D3 Dashboard Heater Climate Control Panel Switch A/C 4E0820043K
Promo price
€94.95
€56.97
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8K0260707P
Audi A4 B8 A5 8T Air Condition Air Con Pipe A/C Hose Line Tube Petrol 8K0260707P
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 4H0121671B
Audi A6 C7 Water Heater Valve Pump Control Unit 4H0121671B
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-40%
Part no. 4E0260805AS
Audi S8 D3 A/C Compressor Air Con Conditioning Pump 4E0260805AS
Promo price
€66.95
€40.17
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 8S0816803
Audi RS3 8V 8Y RSQ3 F3 A/C Air Con Compressor Pump 2.5 TFSI Petrol 8S0816803
Promo price
€550.95
€468.31
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 8K0260707AF
Audi A4 B8 A5 8T Air Conditioning A/C Air Con Pipe Hose Line 8K0260707AF
Promo price
€66.95
€56.91
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 8W0816721AS
Audi A4 S4 8W A5 S5 F5 Air Conditioning Coolant Line Hose Tube Pipe 8W0816721AS
€28.95
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 06E819809C
Audi S5 8T Cooling System Regulating Valve Unit 3.0 Petrol CREC 06E819809C
Promo price
€28.95
€24.61
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 4G0816181
Audi A7 4G8 Air Condiotioner A/C Expansion Valve 5A06B45
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 4E0121400P
Audi S8 D3 Water Return Coolant Pipe Hose Line 4E0121400P
Promo price
€32.95
€28.01
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 8W0816803A
Audi A4 S4 B9 3.0 TFSI Air Conditioning Compressor Air Con A/C Pump 8W0816803A
Promo price
€189.95
€161.46
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 420260708
Audi R8 42 Air Conditioning Pipe Refrigerant Hose Line A/C 420260708
Promo price
€85.95
€73.06
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 06J121492E
Audi TT 8J A3 8P Water Return Coolant Pipe Hose Line 06J121492E
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 420260707
Audi R8 42 Air Conditioning Pipe Refrigerant Hose Line A/C 420260707
Promo price
€47.95
€40.76
Free delivery: Jul 3 – 6
If paid before 14:00
-40%
Part no. 8R0260367
Audi Q5 8R A/C Air Condition Hose Pipe Line Tube Adapter 8R0260367
Promo price
€70.95
€42.57
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. LR112585
Land Rover Discovery Sport L550 A/C Air Condition Compressor Pump CPLA-19D629-BF
Promo price
€23.95
€22.75
Free delivery: Jul 2 – 6
If paid before 14:00
-40%
Part no. 4H0260403E
Audi A8 D4 Air Conditioning Condenser A/C Cooler Air Con Unit 4H0260403E
Promo price
€113.95
€68.37
Free delivery: Jul 2 – 6
If paid before 14:00
-40%
Part no. 8U0820043D
Audi Q3 8U Dashboard Heater Climate Control Panel A/C 8U0820043D
Promo price
€94.95
€56.97
Free delivery: Jul 3 – 6
If paid before 14:00
-40%
Part no. 420260701
Audi R8 42 Air Conditioning Pipe Refrigerant Hose Line A/C 420260701
Promo price
€56.95
€34.17
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 5Q0820679C
Volkswagen Audi Seat Skoda Air Conditioning Expansion Valve 5Q0820679C
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 4KE816102A
Audi A6 C8 E-Tron Air Conditioning Heater Valve Block 4KE816102A
Promo price
€256.95
€218.41
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 6C0816721A
Audi A1 8X Seat Ibiza 6P Toledo KG Air Conditioning Pipe Hose 1.2 TSI 6C0816721A
€51.95
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 5K0820803G
Audi Q3 8U Air Conditioning Con A/C Compressor Pump 5K0820803G
€51.95
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 4H0959126A
Air Conditioning Audi A5 8T Air Con Drier Pressure Sensor 4H0959126A
Promo price
€28.95
€24.61
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 8K0971824AD
Audi A5 8T Heater Matrix Connecting Pipe Trim Upper Cover 8K0971824AD
€23.95
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 4H0819699D
Audi A6 S6 A7 4G8 A8 S8 R8 RS6 RS7 Heater Duct Double Grommet 4H0819699D
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8E0820193E
Audi A4 B7 Air Conditioning Dryer Air Con Drier Tank 8E0820193E
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 7L0907511-1
Audi Q7 4L VW Touareg 7L Climate Control Position Flap Mechanism 7L0907511
€28.95
Free delivery: Jul 3 – 6
If paid before 14:00
-15%
Part no. 8U0820743C
Audi Q3 8U Coolant Air Conditioning Pipe A/C Hose Line Tube 8U0820743C
Promo price
€32.95
€28.01
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 8E0820193P
Air Conditioning Dryer Audi A4 B7 Air Con Drier Tank Pressure Sensor 8E0820193P
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
-5%
Part no. 1K0819031D
Volkswagen Seat Audi A3 8P Heater Matrix Unit Heat Exchanger 1K0819031D
Promo price
€23.95
€22.75
Free delivery: Jul 3 – 6
If paid before 14:00
Part no. 1K0820411Q
Audi A3 8P Skoda Octavia Mk2 Air Conditioning A/C Condenser 2.0 TDI 1K0820411Q
€32.95
Free delivery: Jul 2 – 6
If paid before 14:00
-15%
Part no. 1J0820803LX
Audi S3 8L 1.8T A/C Air Condition Compressor Pump 1J0820803LX SD7VCB 842
Promo price
€70.95
€60.31
Free delivery: Jul 3 – 6
If paid before 14:00
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.