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.

More information

Find it faster

Match to your vehicle

Make

Audi A3 8P Seat Leon Mk2 1P Air Conditioning Hose A/C Pipe Hose Line 1K0820743CD

Product currently unavailable

Part no. A1768300600

Mercedes W176 C117 CLA 45 AMG Petrol M133 Air Conditioning Compressor Hose

Product currently unavailable

Part no. 1K0820721BN

Volkswagen Touran 1T Air Conditioning Hose A/C Pipe Line 1K0820721BN

Product currently unavailable

Part no. A2712030502

Mercedes-Benz C W203 M271 Petrol Air Conditioning Compressor Pipe A2712030502

Product currently unavailable

Part no. A2058311145

Air Duct Mercedes W205 C253 Channel Cabin Ventilation Rear Left N/S A2058311145

Product currently unavailable

Part no. 9190452

Pressure Hose BMW E90 E91 E92 LCI Compressor Condenser 9190452

Product currently unavailable

Part no. 924403508R

Air Conditioning Pipe Renault Trafic 3 Vivaro B Refrigerant Hose Line 924403508R

Product currently unavailable

Part no. A9108303201-2

Mercedes Sprinter W910 Air Vent Grill Outer Front A9108303201

Product currently unavailable

Part no. 8W0816741AK

Audi A4 B9 A4 S4 8W A5 S5 F5 Air Conditioning AC Pipe Hose Line Tube 8W0816741AK

Product currently unavailable

Part no. 3415556

BMW X3 Series E83 LCI Pressure Hose Compressor Condenser 3415556

Product currently unavailable

Part no. A1778684200

Mercedes W177 M260 Windshield Washer Pipe Refrigerant Hose Line A1778684200

Product currently unavailable

Part no. A2108311346

Mercedes W210 Air Duct Channel Cabin Front Left N/S Tube A2108311346

Product currently unavailable

Part no. 6982882

Mini R50 Pressure Hose Pipe Air Conditioning Compressor Condenser W17 6982882

Product currently unavailable

Part no. 6987110

BMW 7 E65 E66 Air Con Coolant Pressure Hose Condenser Evaporator Pipe 8385266

Product currently unavailable

Part no. A1635001372

Mercedes ML W163 270 CDI Air Con Compressor Pressure Line Hose Pipe A1635001372

Product currently unavailable

Part no. 8385266

BMW 7 Series E65 E66 Air Con Condenser Evaporator Pressure Hose Diesel 8385266

Product currently unavailable

Part no. 6R0820721H

Audi A1 8X Coolant Air Conditioning Pipe A/C Hose Line Tube 6R0820721H

Product currently unavailable

Part no. 6923956

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

Product currently unavailable

Part no. 8377077

BMW X5 E53 3.0i Petrol Pressure Hose Compressor Condenser 8377077

Product currently unavailable

Part no. AV41-19N601-AC

Ford Kuga Mk1 Air Conditioning Pipe Line Hose 2.0 TDCi AV41-19N601-AC

Product currently unavailable

Part no. 6R0820721G

Seat Ibiza 6J Air Condition Conditioning A/C Air Con Pipe Hose Line 6R0820721G

Product currently unavailable

Part no. 9231050

Air Conditioning Hose BMW F13 N55 Refrigerant Pressure Compressor Line 9231050

Product currently unavailable

Part no. LR072004

Range Rover Evoque L538 Fuel Return Tube Pipe Line Hose GJ32-45611-AD

Product currently unavailable

Part no. 6908754

BMW 3 Series E46 Petrol M52 M54 Compressor Condenser Pressure Hose 6908754

Product currently unavailable

Part no. 4H0898037D

Audi A8 D4 4H Rear Heater Matrix Connecting Pipes 4H0898037D

Product currently unavailable

Part no. A1122301756

Compressor Hose Mercedes W163 W639 W220 Air Conditioning Pipe A1122301756

Product currently unavailable

Part no. 2354123

BMW 7 Series E65 E66 M57N Diesel 730d Coolant Water Hose Pipe 2354123

Product currently unavailable

Part no. 8W0816721

Audi A5 F5 A/C Air Condition Compressor Hose Pipe Line Tube 8W0816721

Product currently unavailable

Part no. A1668300200

Air Conditioning Pipe Mercedes W166 C292 Refrigerant A/C Hose Line A1668300200

Product currently unavailable

Part no. A1112303956

Mercedes R170 Air Conditioning Hose Pipe Suction Line A1112303956

Product currently unavailable

Part no. 6946623

Mini Cooper S R52 R53 Pipe Air Con Pressure Hose Compressor Condenser Coolant

Product currently unavailable

Part no. 7L6820744AE

Volkswagen Touareg 2.5 TDI Air Conditioning Hose A/C Pipe Line 7L6820744AE

Product currently unavailable

Part no. 9151739

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

Product currently unavailable

Part no. 6842534

Pressure Hose BMW F80 M3 F80 F82 F83 M4 Pipe Compressor Condenser 6842534

Product currently unavailable

Part no. A2048300415

Air Conditioning Pipe Mercedes W204 W207 W212 Refrigerant Hose Line A2048300415

Product currently unavailable

Part no. A6398300215

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398300215

Product currently unavailable

Part no. 9184102-1

BMW E60 E61 LCI Suction Pipe Diesel Heater Air Conditioning 9184102

Product currently unavailable

Part no. 6964965

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

Product currently unavailable

Part no. A2468301102

Air Conditioning Pipe Mercedes X156 W176 W246 A/C Coolant Hose Line A2468301102

Product currently unavailable

Part no. A2538303301

Mercedes C253 Air Conditioning A/C Hose Pipe A2538303301

Product currently unavailable

Part no. 9190453

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

Product currently unavailable

Part no. 7823487

MINI Cooper One D R55 R56 LCI N47N Fuel Injection System Hose Pipe 7823487

Product currently unavailable

Part no. A1768300700

Mercedes W176 A/C Air Conditioning Hose Pipe A1768300700

Product currently unavailable

Part no. 7L6820744BQ

Audi Q7 4L Air Conditioning Pipe Refrigerant Hose Line Pipe A/C 7L6820744BQ

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. 92490JD70B

Nissan Qashqai Air Conditioning Pipe Refrigerant Hose Line 92490JD70B

Product currently unavailable

Part no. LX6H-19D567-AD

Ford Kuga Mk3 Air Con AC Hose Pipe Tube 2.5 Hybrid LX6H-19D567-AD

Product currently unavailable

Part no. 6769936 / 6769940

BMW E63 E64 Dynamic Drive Motor Pressure Line Hose Pipe Set 6769936 6769940

Product currently unavailable

Part no. A6398301715

Mercedes Vito W639 Air Conditioning Suction Hose A/C Compressor Pipe A6398301715

Product currently unavailable

Part no. 6909448

BMW 3 Series E46 Dryer Evaporator Pressure Hose Line Pipe Assy Coolant 6909448

Product currently unavailable

Part no. A6398309115

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398309115

Product currently unavailable

Part no. 92480JD70B

Nissan Qashqai J10 2.0dCi Air Conditioning Pipe Refrigerant Hose Line 92480JD70B

Product currently unavailable

Part no. 5Q0816743H

Volkswagen VW Golf SV Air Conditioning Hose A/C Pipe Line 5Q0816743H

Product currently unavailable

Part no. A1778305801

Air Conditioning Pipe Mercedes W177 W247 Refrigerant Line Hose A/C A1778305801

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. A2108314446

Air Duct Mercedes W210 Channel Cabin Ventilation Rear Central A2108314446

Product currently unavailable

Part no. A1718301115

Mercedes R171 Air Conditioning Compressor Air A/C Hose Pipe Line A1718301115

Product currently unavailable

Part no. 9350942

BMW F40 F44 F45 Adapter Rear Compartment Footwell Air Duct 9350942

Product currently unavailable

Part no. 03C133514AP

Volkswagen Passat B7 Air Conditioning A/C Air Con Pipe Hose Line 03C133514AP

Product currently unavailable

Part no. 4F0260740B-1

Audi A6 C6 Coolant Air Conditioning Pipe A/C Hose Line Tube 4F0260740B

Product currently unavailable

Part no. 5Q0816721K

Volkswagen Seat Skoda Audi A/C Air Conditionin Pipe Hose Line 5Q0816721K

Product currently unavailable

Part no. A2318300015

Air Conditioning Pipe Mercedes R231 M157 Refrigerant A/C Hose Line A2318300015

Product currently unavailable

Part no. 4M0816738M

Audi Q7 4M Q8 Mk2 VW Touareg Mk3 A/C Air Condition Hose Line Pipe 4M0816738M

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. 1691659

Ford Mondeo Mk4 S-Max Air Conditioning Pipe Hose 2.0 Diesel 9G91-19N601-BE

Product currently unavailable

Part no. 80A819203

Audi Q5 FY Rear Console A/C Heater Condition Air Vent Grille Nozzle 80A819203

Product currently unavailable

Part no. 9802725

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

Product currently unavailable

Part no. 6C0820741AB

Seat Ibiza Mk4 Air Conditioning Line A/C Air Con Pipe Hose Petrol 6C0820741AB

Product currently unavailable

Part no. 1K0820721C

VW Volkswagen Caddy Maxi 1.6 TDI Air Conditioning Hose A/C Pipe Line 1K0820721C

Product currently unavailable

Part no. A2468300215

Mercedes W246 M651 Air Conditioning Pipe Compressor Pipe A2468300215

Product currently unavailable

Part no. 2537339

Ford Transit Custom MK8 A/C Air Conditioning Hose Pipe Line GK21-19D850-AH

Product currently unavailable

Part no. 9684368380

Peugeot 3008 Air Conditioning A/C Refrigerant Pipe Hose Line 9684368380

Product currently unavailable

Part no. A1778309802

Mercedes W177 W247 Air Conditioning Pipe Refrigerant Line Hose A/C A1778309802

Product currently unavailable

Part no. 6989859

BMW E60 E61 LCI 520d N47 A/C Pressure Hose Pipe Compressor-Condenser

Product currently unavailable

Part no. A9108300000

Mercedes Sprinter W910 Air Conditioning Pipe Refrigerant Hose Line A9108300000

Product currently unavailable

Part no. 6905645

BMW 3 Series E46 M47N Compressor Condenser Pressure Hose Line 6905645

Product currently unavailable

Part no. 9223322

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

Product currently unavailable

Part no. 3400419

BMW X3 Series E83 N46 2.0i Air Con Compressor Evaporator Suction Pipe 3400419

Product currently unavailable

Part no. LR061874

Range Rover Sport L494 A/C Air Conditioning Pipe Hose Line FPLA-19N602-AD

Product currently unavailable

Part no. 2K0816721C

VW Caddy Maxi 2k Air Conditioning Refrigerant Hose Tube Line Pipe 2K0816721C

Product currently unavailable

Part no. A2048301116

Mercedes W212 Air Conditioning A/C Air Con Condenser Hose Pipe Line A2048301116

Product currently unavailable

Part no. 8385263-1

BMW E65 E66 Pressure Hose Condenser Evaporator Air Conditioning Pipe 8385263

Product currently unavailable

Part no. A1112306756

Mercedes-Benz C-Class W203 Air Conditioning Air Con Pipe Hose A1112306756

Product currently unavailable

Part no. 9119700

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

Product currently unavailable

Part no. A6398300215-1

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398300215

Product currently unavailable

Part no. 8K0819377E

Audi A5 8T Coolant Air Conditioning Pipe A/C Cooling Hose Line Tube 8K0819377E

Product currently unavailable

Part no. A2538306700

Mercedes GLC X253 Air Conditioning Compressor Refrigerant Hose A2538306700

Product currently unavailable

Part no. LR013861

Land Rover Discovery 4 L319 Air Conditioning Hose Pipe Tube Line LR013861

Product currently unavailable

Part no. A1768300600-1

Mercedes W176 C117 CLA 45 AMG Petrol M133 Air Conditioning Compressor Hose

Product currently unavailable

Part no. 2751774-1

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

Product currently unavailable

Part no. 9163320

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

Product currently unavailable

Part no. A2128306915

Mercedes W204 Air Conditioning A/C C63 AMG Condenser Hose Pipe Line A2128306915

Product currently unavailable

Part no. 5WA816721

Audi A3 8Y A/C Compressor Pipe Hose Line Tube 5WA816721

Product currently unavailable

Part no. 9184101

BMW E60 E61 Pressure Hose Condenser Evaporator Pipe Lines 9184101

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. A6398306115

Mercedes Vito W639 Air Conditioning Suction Hose A/C Compressor Pipe A6398306115

Product currently unavailable

Part no. A6462300356

Mercedes W203 OM646 Air Conditioning Air Con Pipe Hose Diesel A6462300356

Product currently unavailable

Part no. 4254217

BMW F01 F10 F11 Air Conditioning Pipe Pressure Hose A/C Line N57 N57S 4254217

Product currently unavailable

Part no. A2058305301

Mercedes W205 Air Con Pipe Conditioning Line Hose A/C A2058305301

Product currently unavailable

...

Showing 793-891 of 1076 products