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.

Air conditioning hoses, pipes and connectors

At 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.

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Ford Fiesta Mk7 Air Conditioning A/C Pipe Line Coolant Hose AV11-19972-DA

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9321603

BMW G11 G12 G30 Air Conditioning Pipe Hose Tube Line 2.0 Hybrid Petrol 9321603

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8P0819681

Audi A3 8P Air Conditioning Compressor Sensor Dashboard A/C 8P0819681

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8513608

BMW F20 F21 Diesel N47N Radiator Coolant Line Hose Pipe 8513608

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9309004

BMW G11 G12 G30 Air Conditioning Hose Pipe Tube Line 2.0 Petrol Hybrid 9309004

€56.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9354542

Air Conditioning Pipe BMW X3 G01 X4 G02 Refrigerant A/C Hose Line 9354542

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. JUF000366

Land Rover Discovery 3 L319 Air Conditioning Pipe Hose JUF000366

Product currently unavailable

Part no. A2468300802

Mercedes W176 W246 Air Conditioning A/C Pipe Hose Refrigerant Line A2468300802

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1728303415

Mercedes R172 Air Conditioning Pipe A/C Coolant Hose Line A1728303415

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2048306315

Mercedes W204 Air Conditioning Compressor Refrigerant Hose Line A/C A2048306315

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2078301015

Mercedes W204 C207 A/C Air Con Air Conditioning Pipe Hose Line M272 A2078301015

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1638300316

Mercedes W163 A/C Air Con Air Conditioning Pipe Hose Line Tube A1638300316

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7566031-2

BMW E81 E82 E87 E90 E91 E92 LCI Coolant Hoses Cooling System Pipes 7566031

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4G0260701CA

Audi A6 C7 A7 4G A/C Air Con Conditioning Pipe Refrigerant Hose Line 4G0260701CA

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8T0260701K

Audi A4 B8 A5 8T A/C Air Con Hose Refrigerant Pipe 3.0 TDI 8T0260701K

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6956697

BMW X5 Series E70 Adapter Rear Cabin Air Duct Left N/S 6956697

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1112030282

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

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6850311

BMW E60 Suction Pipe Power Steering Oil Fluid Hose Line E61 E63 Diesel 6796361

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 46857429

Fiat Ducato 250 Air Conditioning Pipe Hose Tube Line 2.2 Diesel 00468574290

€104.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2058319800

Air Duct Mercedes W205 W213 C238 Channel Cabin Front Right O/S A2058319800

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9122453

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

€23.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. A2138301602

Mercedes W213 C238 Coolant Air Conditioning Pipe A/C Hose Line Tube A2138301602

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8832955

BMW F70 F74 F78 U06 U11 U12 U10 Water Return Coolant Pipe Hose Line 8832955

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8W0816743B

Audi A5 F5 45 TFSI A/C Air Condition Pipe Hose Line Tube 8W0816743B

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8T0260710A

Audi A5 8F Air Conditioning A/C Air Con Pipe Hose Line 3.0 TFSI 8T0260710A

€61.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. BJ32-19N601-CC

Range Rover Evoque L538 A/C Air Conditioning Pipe Hose Line BJ32-19N601-CC

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8K0260707T

Audi S4 B8 S5 8T Air Conditioning Pipe Hose A/C Line 3.0 TFSI 8K0260707T

€51.95

Free delivery: Sep 22 – 24

If paid before 14:00

Part no. 6771875

BMW 1 3 Series E82 E90 E91 N54 Suction Pipe Hose Active Steering Oil 6771875

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. M8A2-8D284-BB

Range Rover Velar L560 Air Conditioning Coolant Pipe 2.0 Diesel M8A2-8D284-BB

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6542000000

Air Conditioning Pipe Mercedes W213 Refrigerant A/C Hose Line OM654 A6542000000

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. BJ32-19N602-CB

Range Rover Evoque L538 A/C Air Conditioning Pipe Hose Line BJ32-19N602-CB

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9209714

Air Conditioning Pipe BMW E90 E91 335d M57N2 Refrigerant A/C Hose Line 9209714

€94.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6927541

BMW 1 Series E81 E87 Pressure Hose Condenser Evaporator Air Con A/C Pipe 6927541

Product currently unavailable

Part no. 7566031

BMW E81 E82 E87 E90 E91 E92 LCI Coolant Hoses Cooling System Pipe 7566031

Product currently unavailable

Part no. 2751774

Mini R55 R56 R57 Air Con Compressor Condenser Pressure Coolant Hose Pipe 2751774

Product currently unavailable

Part no. 9212082

BMW 1 2 3 Series F20 F22 F30 Diesel N47N Condenser Pressure Hose Pipe 9212082

Product currently unavailable

Part no. 2751473

BMW Mini Cooper R55 R56 R57 Evaporator Compressor Coolant Suction Pipe 2751473

Product currently unavailable

Part no. 9184102

BMW 5 Series E60 E61 LCI Suction Pipe Diesel Heater Air Conditioning

Product currently unavailable

Part no. 2751470

Air Conditioning Pipe Mini Cooper One R55 R56 N12 Aluminium Double Pipe 9224858

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Part no. 9163320

BMW E82 135i E90 E91 335i Pressure Hose Compressor Condenser 9163320

Product currently unavailable

Part no. 9190452

Pressure Hose BMW E90 E91 E92 LCI Compressor Condenser 9190452

Product currently unavailable

Part no. 2751471

Mini Cooper R55 R56 Air Conditioning Aluminium Coolant Double Pipe 2751471

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Part no. A6510706381

Fuel Feed Lines Mercedes W204 OM651 Injector Tank Fuel Pipes Diesel A6510706381

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Part no. 9802725

Mini Cooper One R60 R61 Air Conditioning Aluminium Double Pipe Hose 9802725

Product currently unavailable

Part no. 9223326

Pressure Hose BMW E81 E87 LN43 A/C Air Conditioning Con Pipe 9223326

Product currently unavailable

Part no. 9337127

BMW F20 F21 F30 LCI Pressure Pipe Hose Condenser Evaporator 9337127

Product currently unavailable

Part no. A6462300356

Mercedes W203 OM646 Air Conditioning Air Con Pipe Hose Diesel A6462300356

Product currently unavailable

Part no. 6918903

BMW X5 E53 Air Con Pressure Hose Pipe Assy Compressor Condenser Diesel 6918903

Product currently unavailable

Part no. 6966288

BMW M47N2 Pressure Hose Compressor-Condenser 118d 120d 6966288

Product currently unavailable

Part no. 6988880

BMW X5 X6 E70 E71 3.0d M57N2 Compressor Condenser Pressure Hose Line 6988880

Product currently unavailable

Part no. A6398300816

Mercedes Vito W639 Air Conditioning A/C Air Con Condenser Hose Pipe A6398300816

Product currently unavailable

Part no. 9190453

BMW E90 E91 E92 LCI N57 Pressure Hose Condenser Evaporator Pipe Lines 9190453

Product currently unavailable

Part no. A1778305201

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

Product currently unavailable

Part no. 9337126

BMW 1 3 er F20 F21 F30 LCI Refrigerant Pressure Line Double Pipe Hose 9337126

Product currently unavailable

Part no. 7565779

BMW 5 6 Series E60 E63 E64 LCI Petrol Engine Cooling Radiator Vent Pipe 7565779

Product currently unavailable

Part no. 9221762

Suction Pipe BMW X5 E70 LCI X6 E71 N57 N57S Air Conditioning Pipe Hose 9221762

Product currently unavailable

Part no. A6398300015

Mercedes Viano Vito W639 Air Con A/C Pipe Conditioning Hose Line A6398300015

Product currently unavailable

Part no. A0001591904

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

Product currently unavailable

Part no. 6988881

BMW X5 X6 E70 E71 M57N2 Air Conditioning Hose Tube Suction Pipe 6988881

Product currently unavailable

Part no. 9209729

BMW E90 E91 LCI N57 Pressure Hose Condenser Evaporator Lines 9209729

Product currently unavailable

Part no. 7800590-1

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

Product currently unavailable

Part no. 6982864

BMW 5 Series E60 E61 Pressure Hose Condenser Evaporator Pipe Lines 6982864

Product currently unavailable

Part no. A1778303302

Mercedes W177 Saloon Air Con Refrigerant Pipe Conditioning Line Hose A1778304801

Product currently unavailable

Part no. 6905645

BMW 3 Series E46 M47N Compressor Condenser Pressure Hose Line 6905645

Product currently unavailable

Part no. 6923956

BMW 3 Series E46 Air Condition Evaporator Compressor Suction Pipe Hose 6923956

Product currently unavailable

Part no. 6928586

BMW E90 E91 E92 E93 M57N2 Pressure Hose Compressor Condenser 6928586

Product currently unavailable

Part no. 2284690

BMW F80 M3 F82 M4 Water Cooling Radiator Coolant Hose Line 2284690

Product currently unavailable

Part no. 9337125

BMW 1 3 Series F20 F21 F30 LCI Pressure Hose Condenser Evaporator Pipe 9337125

Product currently unavailable

Part no. 9151738

BMW E90 E91 E92 LCI Pressure Hose Condenser Evaporator Lines 9151738

Product currently unavailable

Part no. 9145002

BMW E90 E91 E92 335d M57N2 Compressor Condenser Pressure Hose Pipe 6976790

Product currently unavailable

Part no. 5Q0820803F

VW Volkswagen Golf 5G 1.6 TDI CLHA A/C Air Condition Pump Compressor 5Q0820803F

Product currently unavailable

Part no. 6945726

BMW X5 X6 E70 E71 Pressure Line Air Conditioning Condenser Double Pipe 6945726

Product currently unavailable

Part no. A2712300556-1

Mercedes C CLK W203 C209 OM271 Kompressor Air Conditioning Air Con Pipe Line

Product currently unavailable

Part no. C-2758225

BMW Mini Cooper One R55 R56 Air Conditioning Aluminium Double Pipe 2758225

Product currently unavailable

Part no. 8377075

BMW X5 E53 M57 3.0d Diesel Evaporator Compressor Suction Pipe 8377075

Product currently unavailable

Part no. 6927828

BMW 5 6 Series E60 M5 E63 E64 M6 Pressure Hose Compressor Condenser 927828

Product currently unavailable

Part no. 6911952

BMW 5 Series E60 E61 M47N2 Compressor-condenser Pressure Hose Diesel 6911952

Product currently unavailable

Part no. 9221763

BMW X5 E70 LCI N57 Air Conditioning Line Pressure Hose Pipe 9221763

Product currently unavailable

Part no. 2751774-1

BMW Mini Cooper R55 R56 Compressor-condenser pressure hose double pipe 2751774

Product currently unavailable

Part no. 9382717

Air Conditioning Pipe BMW X3 F25 X4 F26 Refrigerant Pressure A/C Line 9382717

Product currently unavailable

Part no. A2048300415

Air Conditioning Pipe Mercedes W204 W207 W212 Refrigerant Hose Line A2048300415

Product currently unavailable

Part no. 8385564

BMW X5 Series E53 Air Conditioning Heater Radiator Triple Aluminium Pipe 8385564

Product currently unavailable

Part no. 6920356

BMW 5 Series E60 LCI E60 E61 Pressure Hose Compressor Condenser Petrol 6920356

Product currently unavailable

Part no. 9201928

BMW F01 F10 F11 LCI N57 Air Conditioning Coolant Suction Pipe Line 9201928

Product currently unavailable

Part no. 9337129

BMW F20 F21 F30 F31 LCI AC Air Con Hose Pipe Conditioning Pressure 9337129

Product currently unavailable

Part no. A6398300115

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398300115

Product currently unavailable

Part no. 9809006

Mini Cooper D R55 R56 R57 LCI Evaporator Compressor Suction Pipe Hose 9809006

Product currently unavailable

Part no. A1648300415

Mercedes ML W164 GL X164 Air Conditioning Compressor Condenser Pipe Line

Product currently unavailable

Part no. 9809006-1

MINI Cooper D R55 R56 R57 LCI 1 Evaporator Compressor Suction Pipe Hose 9809006

Product currently unavailable

Part no. 9119700

BMW E60 E61 525d 530d Pressure Hose Compressor Condenser 9119700

Product currently unavailable

Part no. 9151739

BMW E90 E91 E92 LCI Pressure Hose Condenser Evaporator Pipe Lines 9151739

Product currently unavailable

Part no. A1698301715

Pressure Pipe Mercedes W169 Air Conditioning Hose Line A1698301715

Product currently unavailable

Part no. 9224863

MINI Cooper One R55 R56 R57 Pressure Hose Pipe Evaporator Air Condition A/C

Product currently unavailable

Part no. 8E0260701BS

Audi A4 B7 Pressure Air Pipe Evaporator-Compressor Air Con Pipe 8E0260701BS

Product currently unavailable

Part no. 1K0820743FP

Volkswagen VW Golf Mk6 Air Conditioning A/C Hose Pipe Line 1K0820743FP

Product currently unavailable

Part no. 9151733-1

BMW E81 E87 E90 E91 Pressure Hose Pipe Condenser Air Con 9151733

Product currently unavailable

Part no. 5WA816743B

Air Con Pipe VW Golf 8 Audi A3 8Y 2.0 TFSI Air Conditioning A/C Hose 5WA816743B

Product currently unavailable

Part no. 9223322

BMW E81 E82 E87 LCI N43 Petrol Pressure Hose Compressor Condenser Pipe 9223322

Product currently unavailable

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