Air conditioning hoses, pipes and connectors
More informationAt Global Parts, we offer a wide selection of original used car parts, including air conditioning hoses, lines, and connectors for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price
-5%
Part no. 2751774
Mini R55 R56 R57 Air Con Compressor Condenser Pressure Coolant Hose Pipe 2751774
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9181965
Mini Cooper One Cabrio R50 R52 Air Con A/C Conditioning Pipe Hose Evaporator
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
Part no. 9224863-1
BMW MINI Cooper One R55 R56 R57 Pressure Hose Pipe Condenser Evaporator Air
€32.95
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 2751474
BMW Mini Cooper R55 R56 R57 Evaporator Compressor Suction Pipe Hose
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9212082
BMW 1 2 3 Series F20 F22 F30 Diesel N47N Condenser Pressure Hose Pipe 9212082
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 2758138
BMW Mini Cooper R55 R56 R57 Evaporator Compressor Coolant Suction Pipe
Promo price
€32.95
€28.01
Free delivery: Jul 15 – 17
If paid before 14:00
Part no. 9224863-2
MINI Cooper One R55 R56 R57 Pressure Hose Pipe Evaporator Air Condition A/C
€23.95
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 1504536
Pressure Hose Mini Cooper One Cabrio R50 R52 R53 Compressor Condenser 1504536
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 6988881
BMW X5 X6 E70 E71 M57N2 Air Conditioning Hose Tube Suction Pipe 6988881
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 6927845
Air Conditioning Pipe BMW X1 E81 E87 E90 E90N E91 E92 E93 A/C Hose 6927845
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 4252605
Mini R56 LCI Diesel N47N Air Conditioning Hose A/C Pressure Pipe Line 4252605
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 6927538
BMW E87 E90 E91 Diesel M47N2 Air Condition Con Pipe Hose Cool 6927538
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 9808215
Mini Cooper R60 R61 Suction Pipe Air Con Hose Evaporator Compressor 9808215
Promo price
€42.95
€36.51
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 9226413
BMW E90 E91 LCI N47N Compressor Condenser Coolant Pressure Hose 9226413
Promo price
€37.95
€32.26
Free delivery: Jul 15 – 17
If paid before 14:00
-40%
Part no. 6805432
MINI F55 F56 F57 Pressure Hose Condenser Evaporator Pipe R1234YF 6805432
Promo price
€66.95
€40.17
Free delivery: Jul 15 – 17
If paid before 14:00
Part no. 9212236
A/C Pipe BMW F20 F21 F22 F30 Pressure Hose Condenser Evaporator 9212236
€23.95
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9184102
BMW 5 Series E60 E61 LCI Suction Pipe Diesel Heater Air Conditioning
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
Part no. 6927846
BMW E81 E87 E90 E91 E92 Suction Pipe Evaporator Compressor 6927846
€23.95
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 8381544
BMW X5 SERIES E53 Pressure hose condenser evaporator pipe 64538381544 8381544
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 9809006-1
MINI Cooper D R55 R56 R57 LCI 1 Evaporator Compressor Suction Pipe Hose 9809006
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9806518-1
Mini R60 R61 Pressure Hose Condenser Evaporator Air Con Pipe 9806518
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
Part no. 1K0820741CM
Volkswagen Golf Audi A3 8P Air Conditioning Pipe Hose Line A/C 1K0820741CM
€42.95
Free delivery: Jul 15 – 17
If paid before 14:00
Part no. 9145002
BMW E90 E91 E92 335d M57N2 Compressor Condenser Pressure Hose Pipe 6976790
€28.95
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 1504536-1
A/C Pipe Mini Cooper One R50 R52 R53 Pressure Hose Compressor Condenser 1504536
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9138010
BMW E81 E88 E90 E91 E92 Evaporator Compressor Suction Pipe Hose 9138010
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. A2048300615
Mercedes W204 C200 C220 CDI Air Conditioning Pipe Line A2048300615
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 6976791
BMW 3 Series E90 E91 E92 335d M57N2 Evaporator Compressor Suction Pipe 6976791
Promo price
€94.95
€80.71
Free delivery: Jul 15 – 17
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 15 – 17
If paid before 14:00
-5%
Part no. 6928587
BMW 3 Series E90 E91 E92 E93 LCi M57N2 Hose Suction Pipe Evaporator Compressor
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 6988883
BMW X5 X6 E70 E71 Diesel Suction Pipe Line Air Conditioning 6988883
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. A2712300656
Mercedes C CLK W203 C209 Kompressor Air Conditioning Suction Pipe Line
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 6952992
Pressure Hose BMW E81 E87 E90 E91 Pipe Condenser Air Con 6952992
Promo price
€47.95
€40.76
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9248522
BMW 5 Series F10 F11 530d N57N Pressure Hose Assy Coolant Line R134A 9248522
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9201928
BMW F01 F10 F11 LCI N57 Air Conditioning Coolant Suction Pipe Line 9201928
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 6928591
BMW 1 3 X1 Series E81 E87 E90 E91 Pipe Hose For Additional Water Pump 6928591
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 1504541
BMW MINI R52 R53 Suction Pipe Evaporator Compressor Air Con Hose
Promo price
€32.95
€28.01
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. A1778305201
Mercedes W177 Air Con Refrigerant Pipe Conditioning Line Hose A/C A1778305201
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
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 15 – 17
If paid before 14:00
-5%
Part no. 6914574
BMW 5 6 Series E60 E61 E63 E64 LCI Adapter Suction Pipe Hose Connector 6914574
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9209713
BMW 3 Series E90 E91 E92 M57N2 Evaporator Compressor Suction Pipe Hose 9177035
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9223322
BMW E81 E82 E87 LCI N43 Petrol Pressure Hose Compressor Condenser Pipe 9223322
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
Part no. 9337128
BMW 1 3 Series F20 F21 F30 F31 LCI Pressure Hose Compressor Condenser 9337128
€32.95
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. A2138302902
Mercedes W213 Air Conditioning Refrigerant Line Pipe Hose A2138302902
Promo price
€47.95
€40.76
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9230693
Mini R55 R56 R57 LCI Pressure Hose Condenser Evaporator Pipe Lines 9230693
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 06J121492C
Skoda Octavia RS 1Z 2.0 TSI Turbocharger Water Coolant Pipe Hose 06J121492C
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 3420250
BMW X3 Series E83 2.0d M47N2 Evaporator Compressor Coolant Suction Pipe 3420250
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 6920355
BMW 5 6 Series E60 E61 E63 E64 Suction Pipe Coolant Lines A/C
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 3400403
BMW X3 Series E83 Condenser Dryer Coolant Pressure Hose Pipe Line 3400403
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 6922694
BMW 7 Series E65 E66 N62 N62N Petrol Suction Pipe Evaporator Compressor 6922694
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9345361
Air Conditioning Pipe BMW X3 F25 X4 F26 B47 A/C Compressor Hose Line 9345361
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 7508015
BMW 7 Series E65 E66 E67 Water Return Coolant Pipe Hose Line 7508015
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 7800590-1
Fuel Injection Lines BMW E90 E91 LCI F10 F20 N47N Diesel Fuel Pressure Pipes Set
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 6987992
BMW E87 E90 E91 Diesel M47N2 Air Condition Con Pipe Hose Line 698799
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 3455909
BMW X3 E83 3.0d M57N2 Compressor Condenser Pressure Hose Line 3455909
Promo price
€32.95
€28.01
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 9337126
BMW 1 3 er F20 F21 F30 LCI Refrigerant Pressure Line Double Pipe Hose 9337126
Promo price
€94.95
€80.71
Free delivery: Jul 15 – 17
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 15 – 17
If paid before 14:00
-15%
Part no. 7566031
BMW E81 E82 E87 E90 E91 E92 LCI Coolant Hoses Cooling System Pipe 7566031
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 6932267
BMW 5 6 Series E60 M5 E63 M6 Compressor Condenser Pressure Pipe Adapter 6932267
Promo price
€30.95
€26.31
Free delivery: Jul 15 – 17
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 15 – 17
If paid before 14:00
-5%
Part no. 7PP819810A
Volkswagen Touareg 7P Heater Water Pump Control Valve 7PP819810A
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 3400401
BMW X3 E83 2.0d M47N2 Air Con Pipe Evaporator Compressor Suction Hose 3400401
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 3400420
BMW X3 Series E83 E83N 2.0i Petrol Pressure Hose Compressor-condenser 3400420
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9248521
BMW 5 7 Series F01 F02 F10 F11 LCI Suction Pipe Line Air Conditioning 9248521
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 2754231
Mini Cooper R55 R56 R57 Air Conditioning Coolant Water Hose 2754231
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. A1698301815
Mercedes A Class W169 Air Conditioning Pressure Pipe Hose Line A1698301815
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 8386166
BMW X5 Series E53 M62 4.4i 4.6is Air Conditioning Connector Suction Pipe 8386166
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. A2518300715
Air Conditioning Hose Mercedes W251 OM642 Refrigerant Compressor Pipe
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. A2468302415
Mercedes W176 A/C Air Conditioning Refrigerant Pipe Hose A2468302415
Promo price
€32.95
€28.01
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9213843
BMW 1 3 Series F20 F21 F30 Air Con Pressure Hose Pipe Assy Compressor Condenser
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. BM51-8312-AC
Ford Focus Mk3 Radiator Air Duct Guide Cooling Deflector BM51-8312-AC
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 9382723
Pressure Pipe BMW F25 F26 Air Conditioning A/C Compressor Hose Line 9382723
Promo price
€37.95
€32.26
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 6910575-1
BMW X5 Series 1 E53 Auxiliary Heating Webasto Air Intake Hose Silencer 6910575
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. A2712300556
Mercedes CLK W203 C209 Kompressor Air Conditioning Air Con Pipe Line A2712300556
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. A1648302215
Mercedes ML W164 Air Conditioning Compressor Hose Pipe Line A1648302215
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. A6462300356
Mercedes W203 OM646 Air Conditioning Air Con Pipe Hose Diesel A6462300356
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9209722
Mini Cooper F55 F56 F57 F60 Coolant Pipe Air Suction Lines 9209722
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 3400413
BMW E83 M54 Evaporator Compressor Suction Coolant Pipe Line 3400413
Promo price
€34.95
€29.71
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. A1718300715
Mercedes SLK R171 Air Con Pipe Conditioning Line Hose A/C A1718300715
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9209723
Suction Pipe Mini Cooper F55 F56 F57 F60 Air Con Coolant Line Hose 9209723
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9209742-1
BMW X1 E84 E90 E91 N47 Suction Pipe Evaporator Compressor A/C Pipe 9209742
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 7600594
BMW F20 F21 F30 F31 N13 Refrigerant Hose Pipe Cooling System 7600594
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 5Q0820803F
VW Volkswagen Golf 5G 1.6 TDI CLHA A/C Air Condition Pump Compressor 5Q0820803F
Promo price
€42.95
€36.51
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 7800590
Pressure Pipe BMW E90 E91 E92 LCI F10 F20 F30 N47N Hose Assy Line 7800590
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 6946624
Mini Cooper S R52 R53 Pressure Hose Condenser Evaporator Pipe Line 6946624
Promo price
€56.95
€48.41
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 6946621
MINI Cooper S R52 R53 A/C Air Conditioning Suction Pipe Compressor 6946621
Promo price
€43.95
€37.36
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9119000
BMW 1 3 Series E87 E90 E91 E92 N43 Air Condition Con Pipe Hose Coolant 9119000
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 6918939
BMW X5 E53 3.0d M57N Connector Suction Pipe Coolant Line 6918939
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. 9237641
BMW 1 3 Series F20 F21 F30 Air Conditioning Aluminium Double Pipe 9237641
Promo price
€37.95
€32.26
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 6951366
BMW 5 Series E60 E61 520d M47N2 Adapter Suction Pipe Hose Connector 6951366
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9223321
BMW 1 Series E81 E87 LCI N45N N46N Pressure Hose Compressor Condenser Pipe
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 4250405
BMW 1 3 Series e81 e87N e90 e91 SUCTION PIPE EVAPORATOR-COMPRESSOR Air con hose
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-40%
Part no. A2048300600
Mercedes W204 Air Conditioning A/C C63 AMG Compressor Hose Pipe Line A2048300600
Promo price
€47.95
€28.77
Free delivery: Jul 15 – 17
If paid before 14:00
-40%
Part no. 9209714
Air Conditioning Pipe BMW E90 E91 335d M57N2 Refrigerant A/C Hose Line 9209714
Promo price
€94.95
€56.97
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. AV11-19A704-CB
Ford B-Max Air Conditioning Pipe Air Con Tube Line Hose A/C AV11-19A704-CB
Promo price
€37.95
€32.26
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. HJ32-19A834-AC
Land Rover Discovery Sport L550 Air Conditioning Pipes Hose Lines HJ32-19A834-AC
Promo price
€37.95
€32.26
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. A2058304502
Air Conditioning Pipe Mercedes W205 Expansion Valve Refrigerant Line A2058304502
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. A2128305415
Mercedes W212 Air Conditioning A/C Air Con Hose Pipe Line A2128305415
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
-15%
Part no. JK21-V018B09-CE
Ford Transit Custom A/C Air Conditioning Vent Nozzle Left N/S JK21-V018B09-CE
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00
-5%
Part no. 9223315
BMW E81 E82 E87 LCI E90 Suction Pipe Evaporator Compressor Air Con Hose
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00
AC hoses and connectors – reliable parts for car cooling systems
High-quality air conditioning components – durability and compatibility with various models
Air conditioning lines, hoses, and connectors are components that play a key role in the proper functioning of the air conditioning system. They are responsible for the airtight and efficient transfer of refrigerant between the compressor, condenser, evaporator, and other system components. Their high quality and technical condition are essential for the reliable operation of the air conditioning. In the Global Parts automotive store, we offer a wide selection of used car parts, including air conditioning lines, hoses, and connectors, perfectly matched to brands such as BMW, Audi, Mercedes, Volkswagen, Mini, and many others.
How do air conditioning lines, hoses, and connectors work in the system?
Air conditioning lines, hoses, and connectors are responsible for the airtight transfer of refrigerant and lubricating oil between individual system components. Each of these elements has its own unique task:
- High-pressure lines – transport refrigerant under high pressure from the compressor to the condenser.
- Low-pressure hoses – carry refrigerant from the evaporator to the compressor after cooling.
- Connectors – ensure airtight and stable connections between lines and other system components.
- Seals and O-rings – protect against refrigerant leaks, ensuring the tightness of the entire system. Each of these elements must be made of materials resistant to high pressure, temperature, and the chemical properties of the refrigerant.
Construction and purpose of air conditioning lines, hoses, and connectors
Air conditioning lines, hoses, and connectors are a set of working connections that link the compressor, condenser, evaporator, and receiver-drier into one airtight circuit. These elements are mounted mainly in the engine compartment, near the bulkhead, and in the area of the air conditioning radiator, and their routing depends on the engine version and body type. A typical line may have an aluminum tube, a flexible rubber section, crimped ends, and mounting points to the body. In products from this category, it is worth checking the brand marking, condition, OEM part number, interchangeable numbers, fuel type, and location on the vehicle.
Definitions and parameters
Air conditioning lines differ in diameter, pressure resistance, and type of ends. Connectors most often use SAE standards or quick-connectors characteristic of a given brand, which affects compatibility with the compressor and condenser. In practice, this means that a line for one BMW model will not fit an Audi car, despite similar engine capacity and comparable air conditioning performance.
Differences between types of lines and connectors
The high-pressure line is used to transport compressed refrigerant from the compressor outlet to other system elements and usually has a stiffer construction and stronger ends. The low-pressure hose is responsible for the return of the refrigerant on the suction side and more often operates as a more flexible section. An air conditioning connector refers to the connection point of two circuit elements, where the thread type, seal profile, and socket compatibility are crucial. In practice, when repairing the system, it is worth checking the condition of air conditioning compressors and clutches simultaneously, as damage to one sub-assembly often affects the operation of the others.
Comparison of air conditioning line variants
| Element type | Application | Construction | What to check before purchase |
|---|---|---|---|
| High-pressure line | Connection of the compressor with the condenser or further section of the system | Usually an aluminum tube with a flexible section and crimped ends | OEM number, line shape, end type, mounting points |
| Low-pressure line | Return of refrigerant from the evaporator to the compressor | Greater flexibility, different operating profile and different ends than on the high-pressure side | Location on the vehicle, diameter, presence of covers and brackets |
| Connector and fitting | Airtight connection of the line with the air conditioning component | Metal socket or end working with a seal or O-ring | Seal type, thread or quick-connector, socket compatibility |
| Line with sensor or additional outlet | Support for advanced air conditioning system versions | Extended construction with space for a sensor, valve, or additional section | Car equipment, engine version, presence of additional connections |
Why is it worth taking care of air conditioning lines, hoses, and connectors?
The tightness and efficiency of lines, hoses, and connectors in the air conditioning system are the basis for the reliable operation of the entire system. Their damage or wear can lead to:
- Loss of refrigerant, which reduces cooling efficiency.
- Pressure drop in the system, which can damage the compressor.
- Corrosion due to refrigerant leaks and moisture. At Global Parts, we offer used car parts that help maintain the full efficiency of the air conditioning system.
The importance of tightness and cooperation with other system elements
The tightness of the air conditioning system serves to maintain the proper circulation of the refrigerant and stable operation of the compressor. Even a small leak at the connection of a line and connector can cause a drop in cooling performance, traces of oil at the ends, and overloading of components. When choosing an element such as a BMW E90 air conditioning line, it is worth comparing the OEM number, tube routing, type of ends, and compatibility with the engine version. During broader diagnostics, it is also useful to check the condition of condensers (radiators) and receiver-drier filters and accumulators.
How to choose the right air conditioning lines, hoses, and connectors?
When choosing air conditioning lines, hoses, and connectors, you should pay attention to several key aspects:
- Matching the vehicle model – every car brand and model has specific requirements regarding the air conditioning system. At Global Parts, you will find air conditioning lines, hoses, and connectors perfectly matched to BMW, Audi, Mercedes, Volkswagen, Mini, and many others.
- Technical condition – ensure that the lines and hoses are free from cracks, corrosion, and leaks.
- Type of connectors – choose connectors compatible with your vehicle's air conditioning system to ensure the tightness and stability of the connections.
Selecting parts by OEM number and vehicle version
The selection of an air conditioning line or connector is best based on the OEM number, interchangeable numbers, and comparing the element's routing with a photo of the part. In practice, the fuel type, engine version, mounting side, and the presence of additional brackets or connections for a sensor also count. If a sub-assembly such as a BMW E90 air conditioning line is sought, you must check not only the shape itself but also how the line is routed in the engine compartment. Additional support when completing the system can be provided by pressure switches when the diagnosis also includes controlling the air conditioning operation.
Why is it worth choosing used air conditioning lines, hoses, and connectors?
Purchasing used car parts is a solution that allows you to combine high quality with savings. By choosing used lines, hoses, and connectors, you gain:
- Lower costs – used parts are cheaper than new ones, and when selected correctly, they perform their function well.
- Ecology – you support recycling and reduce the amount of automotive waste.
- Wide offer – in our store, you will find elements for many car brands, which makes it easier to match them to your vehicle. For those who are also completing other elements of the interior cooling system, we also recommend supplementary material: Used parts for Mercedes - original parts from dismantling.
How to take care of air conditioning lines, hoses, and connectors?
To ensure that lines, hoses, and connectors work efficiently for a long time, it is worth following a few rules:
- Regularly check the visual condition of the lines and hoses, looking for signs of wear such as cracks or leaks.
- Replace seals and O-rings during every repair or service of the air conditioning system.
- Keep the system clean to avoid contamination that can lead to damage or leaks. In case of failure or the need for replacement, properly selected elements help restore the full functionality of the air conditioning system.
FAQ
| Question | Answer |
|---|---|
| What is the construction and purpose of air conditioning lines, hoses, and connectors? | Air conditioning lines, hoses, and connectors are elements connecting the main components of the car's air cooling system. They consist of aluminum sections, flexible parts, mounting ends, and seals, and their task is to guide the refrigerant between the compressor, condenser, evaporator, and receiver-drier. They are located mainly in the engine compartment and near the bulkhead. Their construction depends on the engine version, body, and vehicle equipment. |
| What are air conditioning lines, hoses, and connectors used for? | Air conditioning lines, hoses, and connectors are used to maintain an airtight circulation of refrigerant and oil throughout the system. They are responsible for the proper flow of the medium on the high and low-pressure sides, as well as for the safe connection of components. Without their proper operation, the air conditioning loses efficiency, and the compressor may operate under improper conditions. It is these elements that determine pressure stability and the effectiveness of interior cooling. |
| What is the construction and function of an air conditioning connector? | An air conditioning connector is a connecting element that links a line with another system component, such as a compressor, condenser, or evaporator. Its construction includes a socket, a line end, and a surface working with an O-ring or other seal. The connector serves to ensure tightness under pressure and thermal load. Depending on the car's construction, it may differ in diameter, thread type, or mounting profile. |
| How to choose an air conditioning line for a specific car? | It is safest to compare the OEM number, interchangeable numbers, line routing, and type of ends. It is also worth verifying the fuel type, engine version, and location on the vehicle, because visually similar parts may have different mounting points. If the car was available in pre-facelift and facelift versions, it is good to also check the structural differences of the equipment. |
| What symptoms indicate damage to an air conditioning line or connector? | The most common symptoms are a drop in cooling performance, refrigerant loss, traces of oil at the connections, and uneven compressor operation. In practice, you can also notice corrosion of aluminum sections, abrasions of the flexible part, or damaged brackets guiding the line. Such signals mean that it is worth checking the tightness of the entire circuit. |
| How to take care of air conditioning lines, hoses, and connectors after installation? | After installation, pay attention to the correct positioning of the line, the absence of tension on the ends, and the condition of the seals. An incorrectly routed element can rub against other parts of the engine compartment and eventually become damaged. A good practice is also to check the system's tightness after repair and periodically inspect the connection points. |
Summary: air conditioning lines, hoses, and connectors at the Global Parts automotive store
Air conditioning lines, hoses, and connectors are responsible for tightness, proper refrigerant flow, and stable operation of the entire vehicle interior cooling system. In the Global Parts offer, you will find elements matched to cars of brands such as BMW, Mercedes, Audi, and others, with the possibility of verification by OEM number, car version, and mounting location. This is a practical choice for those who are completing an air conditioning system with consideration for part compatibility and the actual vehicle specification. We invite you to contact us – we are here to help you! For more information and interesting facts, we also invite you to our automotive blog.