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

Part no. 8K0260805L
Audi A4 B8 2.0 TDI Air Conditioning Compressor Air Con A/C Pump 8K0260805L
€66.95
Free delivery: Jul 6 – 9
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 6 – 9
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 6 – 9
If paid before 14:00

-15%
Part no. 5K0820803G
Audi Q3 8U Air Conditioning Con A/C Compressor Pump 5K0820803G
Promo price
€51.95
€44.16
Free delivery: Jul 6 – 9
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 6 – 9
If paid before 14:00

-5%
Part no. 1K0820721BD
Audi VW Skoda Seat 1.9 TDI Air Conditioning Hose A/C Pipe Line 1K0820721BD
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
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 6 – 9
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 6 – 9
If paid before 14:00

-5%
Part no. 1K0907511D
Audi A3 8P TT 8J Heater Flap Positioning Motor Actuator 1K0907511D
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
If paid before 14:00

Part no. 4H0959126B
Audi A3 8V A4 A5 A6 Q7 Q8 A/C Air Con Conditioning Pressure Sensor 4H0959126B
€23.95
Free delivery: Jul 6 – 9
If paid before 14:00

-15%
Part no. 8KD260805
Audi A4 B8 A5 8T 2.0 TFSI A/C Air Conditioning Pump Compressor Climate 8KD260805
Promo price
€37.95
€32.26
Free delivery: Jul 6 – 9
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 6 – 9
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 6 – 9
If paid before 14:00

Part no. 8W5816803-1
Audi A4 B9 2.0 TDI DETA Diesel A/C Air Condition Compressor Pump 8W5816803
Product currently unavailable

-15%
Part no. 4K0819203
Audi A6 C8 Rear Centre Console Tunnel A/C Air Vent Outlet 4K0819203
Promo price
€28.95
€24.61
Free delivery: Jul 6 – 9
If paid before 14:00

-5%
Part no. 8K0260701P
Audi A4 B8 A5 8T Air Con Hose Pipe Compressor To Condenser 3.2 FSI 8K0260701P
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
If paid before 14:00

-15%
Part no. 1K0820743FR
Volkswagen Scirocco MK3 Skoda Yeti Air Conditioning A/C Hose Pipe 1K0820743FR
Promo price
€37.95
€32.26
Free delivery: Jul 6 – 9
If paid before 14:00

Part no. 8T0816803M-1
Audi A5 8T Q5 8R Air Conditioning A/C Compressor Unit 2.0 TDI Diesel 8T0816803M
€132.95
Free delivery: Jul 6 – 9
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 6 – 9
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 6 – 9
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 6 – 9
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 6 – 9
If paid before 14:00

-15%
Part no. 4L0820043AH
Audi Q7 4L AC Air Conditioning Heater Climate Control Switch Panel 4L0820043AH
Promo price
€142.95
€121.51
Free delivery: Jul 6 – 9
If paid before 14:00

-40%
Part no. 8K2898967A
Audi A4 B8 Heater Steamer Evaporator Air Conditioning A/C Unit 8K2898967A
Promo price
€47.95
€28.77
Free delivery: Jul 6 – 9
If paid before 14:00

-15%
Part no. 8R0260707AC
Audi Q5 8R 3.0 TDI Diesel Air Condition A/C Pipe Hose Line 8R0260707AC
Promo price
€37.95
€32.26
Free delivery: Jul 6 – 9
If paid before 14:00

-15%
Part no. 8K0898037A
Audi A4 B8 Heater Matrix Element Unit Heat Exchanger Radiator 8K0898037A
Promo price
€32.95
€28.01
Free delivery: Jul 6 – 9
If paid before 14:00

-15%
Part no. 1K0820743BT
Audi A3 8P VW Golf Seat Altea XL Air Condition Con Pipe Hose Coolant 1K0820743BT
Promo price
€37.95
€32.26
Free delivery: Jul 6 – 9
If paid before 14:00

Part no. 1J0820191D
Audi TT 8N VW Golf Mk4 Air Con Conditioning Dryer Receiver Drier Tank 1J0820191D
€23.95
Free delivery: Jul 6 – 9
If paid before 14:00

Part no. 8T0260701M
Audi A5 8T Air Conditioning Hose A/C Refrigerant Pipe Line 8T0260701M
€32.95
Free delivery: Jul 6 – 9
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 6 – 9
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 6 – 9
If paid before 14:00

-5%
Part no. 8K0820679B
Audi A4 B8 A5 S5 8T Expansion Valve Air Conditioning A/C 8K0820679B
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
If paid before 14:00

-5%
Part no. 4F0820511B-2
Audi A6 C6 S8 D3 Q7 4L Heater A/C Dashboard Air Vent Flap Actuator 4F0820511B
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
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 6 – 9
If paid before 14:00

-15%
Part no. 8P0820043BD
Audi A3 8P Cabrio Dashboard Air Vent A/C Climate Control Panel 8P0820043BD
Promo price
€37.95
€32.26
Free delivery: Jul 6 – 9
If paid before 14:00

Part no. 059121057S
Audi A5 F5 A6 C7 Q5 8R Engine Heater Water Valve Hose 3.0 TDI 059121057S
€23.95
Free delivery: Jul 6 – 9
If paid before 14:00

-15%
Part no. 4G0816743AG
Audi A7 4G8 Air Conditioning A/C AC Pipe Hose Line 4G0816743AG
Promo price
€28.95
€24.61
Free delivery: Jul 6 – 9
If paid before 14:00

-40%
Part no. 4M0816679
Audi Q7 4M A/C Air Condition Interior Heater Matrix Expansion Valve 4M0816679
Promo price
€66.95
€40.17
Free delivery: Jul 6 – 9
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 6 – 9
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 6 – 9
If paid before 14:00

-5%
Part no. 1K0907543E
Audi A3 8V Interior Air Vent Heater Blower Temperature Sensor 1K0907543E
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
If paid before 14:00

Part no. 8E0260701BT
Audi RS4 B7 Coolant Air Conditioning Pipe A/C Hose Line Tube 8E0260701BT
€194.95
Free delivery: Jul 6 – 9
If paid before 14:00

-2%
Part no. 4G0260707CC
Audi A6 C7 A7 4G A/C Air Conditioning Pipe Hose Line 3.0 TDI 4G0260707CC
Promo price
€23.95
€23.45
Free delivery: Jul 6 – 9
If paid before 14:00

-5%
Part no. 8K0820511C
Audi A5 S5 8T A4 B8 8K Climate Control Flap Positioning Motor 8K0820511C
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
If paid before 14:00

-40%
Part no. 8T0260710G
Audi A5 8T Refrigerant Pipe Air Conditioning Line Hose 8T0260710G
Promo price
€94.95
€56.97
Free delivery: Jul 6 – 9
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 6 – 9
If paid before 14:00

Part no. 4H0820511E-1
Audi A6 C7 Air Conditioning Climate Control Flap Positioning Motor 4H0820511E
€28.95
Free delivery: Jul 6 – 9
If paid before 14:00

Part no. 8K0819422A
Audi A4 B8 A5 8T Pollen Air Filter Retaining Panel Mount 8K0819422A
€23.95
Free delivery: Jul 6 – 9
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 6 – 9
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 6 – 9
If paid before 14:00

-15%
Part no. 8K0819377H
Audi S5 8T Coolant Air Conditioning Pipe A/C Cooling Hose Line Tube 8K0819377H
Promo price
€28.95
€24.61
Free delivery: Jul 6 – 9
If paid before 14:00

-5%
Part no. 059145169AN-1
Audi A8 D4 A/C Air Conditioning Compressor Bracket Mount 3.0 TDI 059145169AN
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
If paid before 14:00

Part no. 7L6820721BJ
Audi Q7 4L A/C Air Conditioning Hose Pipe Tube Line 3.0 Diesel 7L6820721BJ
€70.95
Free delivery: Jul 6 – 9
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 6 – 9
If paid before 14:00

-5%
Part no. 8K0819011
Audi A5 8T Electric Auxiliary Heater Hybrid Heater Element 8K0819011
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
If paid before 14:00

-5%
Part no. 8R0260707K
Audi Q5 8R AC Air Conditioning Compressor Hose Pipe Line Tube 2.0 TDI 8R0260707K
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
If paid before 14:00

-5%
Part no. 8T0820521F
Audi A5 8T Interior A/C Heater Blower Resistor Fan Motor 8T0820521E
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
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 6 – 9
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 6 – 9
If paid before 14:00

-15%
Part no. 4G0816743AL
Audi A7 4G8 A7 Air Conditioning A/C Coolant Refrigerant Hose Pipe 4G0816743AL
Promo price
€28.95
€24.61
Free delivery: Jul 6 – 9
If paid before 14:00

-40%
Part no. 6C0820103
Audi A1 8X 1.4 TFSI Air Conditioning A/C Heater Evaporator Unit 6C0820103
Promo price
€66.95
€40.17
Free delivery: Jul 6 – 9
If paid before 14:00

-40%
Part no. 5Q0906457L
Audi TT FV A4 B9 A5 F5 Heater Core Control Water Coolant Unit Valve 5Q0906457L
Promo price
€104.95
€62.97
Free delivery: Jul 6 – 9
If paid before 14:00

-15%
Part no. 6C0820679
Audi A1 8X 1.4 TFSI A/C Air Condition Expansion Valve 6C0820679
Promo price
€28.95
€24.61
Free delivery: Jul 6 – 9
If paid before 14:00

-15%
Part no. 4G0819377AC
Audi A7 4G8 Air Conditioning Coolant Hose Pipe Line Tube Unit 4G0819377AC
Promo price
€37.95
€32.26
Free delivery: Jul 6 – 9
If paid before 14:00

-5%
Part no. 4K5980281A
Audi A6 C8 Windscreen Windshield Rain Solar Sensor Trim Cover 4K5980281A
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
If paid before 14:00

-15%
Part no. 4M0820511A-2
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 6 – 9
If paid before 14:00

-5%
Part no. 8P0907539A
Audi A3 8P Climate Control Sun Solar Sensor 8P0907539A
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
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 6 – 9
If paid before 14:00

-40%
Part no. 4H0820043N
Audi A8L 4H A/C Air Condition Heater Climate Control Switch Panel 4H0820043N
Promo price
€56.95
€34.17
Free delivery: Jul 6 – 9
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 6 – 9
If paid before 14:00

-40%
Part no. 8J0820719L
Audi TT 8J Air Conditioning Pipe Refrigerant Hose Line Pipe A/C 8J0820719L
Promo price
€70.95
€42.57
Free delivery: Jul 6 – 9
If paid before 14:00

Part no. 8K0819011C
Audi A4 S4 8K A5 8T Electric Auxiliary Heater Matrix Element Unit 8K0819011C
€23.95
Free delivery: Jul 6 – 9
If paid before 14:00

-15%
Part no. 4F0820511B-1
Audi S8 D3 Heater A/C Dashboard Air Vent Flap Actuator 4F0820511B
Promo price
€28.95
€24.61
Free delivery: Jul 6 – 9
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 6 – 9
If paid before 14:00

Part no. 8K0907658
Audi A4 B8 A/C Air Condition Air Quality Sensor 8K0907658
€28.95
Free delivery: Jul 6 – 9
If paid before 14:00

-5%
Part no. 8U0820679
Audi Q3 8U 2.0 TDI DFTA A/C Condition Climate Expansion Valve 8U0820679
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
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 6 – 9
If paid before 14:00

Part no. 8K0122055B
Audi A4 B8 Water Return Coolant Pipe Hose Line 8K0122055B
€42.95
Free delivery: Jul 6 – 9
If paid before 14:00

Part no. 1K0959126A
Audi TT 8J A/C Air Condition Pressure Sensor Control Unit 1K0959126A
€23.95
Free delivery: Jul 6 – 9
If paid before 14:00

-40%
Part no. 8K0260707N
Audi A5 S5 8T Air Conditioning Air Con Pipe A/C Hose Line 4.2 FSI 8K0260707N
Promo price
€66.95
€40.17
Free delivery: Jul 6 – 9
If paid before 14:00

-5%
Part no. 4G0820181A
Audi A6 C7 Expansion Valve Air Conditioning A/C Air Con 4G0820181A
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
If paid before 14:00

Part no. 3C0907521G
Audi Q3 8U Heater Blower Fan Motor Resistor 3C0907521G
€23.95
Free delivery: Jul 6 – 9
If paid before 14:00

Part no. 7L6820803T-2
Audi Q7 4L VW Touareg 7L A/C Air Conditioning Pump Compressor 3.0 TDI 7L6820803F
€89.95
Free delivery: Jul 6 – 9
If paid before 14:00

-5%
Part no. 4H0121670A
Audi A8 4H Heater Water Coolant Pump Control Unit Valve 4H0121670A
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
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 6 – 9
If paid before 14:00

Part no. 4H0819168
Audi A8 4H D4 Front Lower Footwell Vent Air Outlet Right O/S Black 4H0819168
€23.95
Free delivery: Jul 6 – 9
If paid before 14:00

-5%
Part no. 8V0820047B
Audi A3 8V A/C Air Condition Climate Heater Control Panel 8V0820047B
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
If paid before 14:00

-15%
Part no. 4G0260707CB
Audi A7 4G8 3.0 TDI CDUC A/C Air Condition Pipe Hose Line Tube 4G0260707CB
Promo price
€28.95
€24.61
Free delivery: Jul 6 – 9
If paid before 14:00

-5%
Part no. 8K0820521B
Audi A4 B8 VW Blower Motor Heater Fan Resistor Regulator 8K0820521B
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
If paid before 14:00

-15%
Part no. 4M0898037B
Audi A4 B9 Q7 4M Interior Heater Exchanger Matrix 4M0898037B
Promo price
€113.95
€96.86
Free delivery: Jul 6 – 9
If paid before 14:00

-5%
Part no. 8K0820521
Audi A5 8T Blower Motor Heater Fan Resistor Regulator 8K0820521
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
If paid before 14:00

-15%
Part no. 8T0260701K
Audi A4 B8 A5 8T A/C Air Con Hose Refrigerant Pipe 3.0 TDI 8T0260701K
Promo price
€32.95
€28.01
Free delivery: Jul 6 – 9
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 6 – 9
If paid before 14:00

-40%
Part no. 8T0260805F-1
Audi A4 B8 A5 8T Air Conditioning A/C Compressor Pump Air Con Unit 8T0260805F
Promo price
€113.95
€68.37
Free delivery: Jul 6 – 9
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 6 – 9
If paid before 14:00

-5%
Part no. 059121065CP
Audi Q7 4L Coolant Air Conditioning Pipe A/C Hose Line Tube 059121065CP
Promo price
€23.95
€22.75
Free delivery: Jul 6 – 9
If paid before 14:00

Part no. 8K0260705B
Audi Rs4 8K RS5 8F 8T Air Conditioning A/C Hose Petrol Line 4.2 FSI 8K0260705B
€89.95
Free delivery: Jul 6 – 9
If paid before 14:00

-15%
Part no. 8T0260701J
Audi A5 S5 8T A4 S4 B8 Air Conditioning A/C Air Con Pipe Hose Line 8T0260701J
Promo price
€28.95
€24.61
Free delivery: Jul 6 – 9
If paid before 14:00

-15%
Part no. 8W0816803J
Audi A4 B9 A5 F5 Air Conditioning Compressor Air Con A/C Unit Diesel 8W0816803J
Promo price
€75.95
€64.56
Free delivery: Jul 6 – 9
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.