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 S3 8Y Air Conditioning Pipe A/C Hose Line Tube 5Q0816741C

Product currently unavailable

Part no. 6911950

BMW 5 Series E60 E61 Pressure Hose Compressor Condenser 6911950

Product currently unavailable

Part no. 5Q0816721AA

Audi A3 8V VW Golf VII Air Conditioning Refrigerant Hose Line 5Q0816721AA

Product currently unavailable

Part no. 8W0816721

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

Product currently unavailable

Part no. A1638300083

Mercedes-Benz M-Class ML W163 Air Con Conditioning Dryer Drier Pump A1638300083

Product currently unavailable

Part no. 5C0820743BN

Volkswagen VW Beetle Air Conditioning A/C Air Con Hose Pipe Line 5C0820743BN

Product currently unavailable

Part no. 7L6820744AE

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

Product currently unavailable

Part no. 8W0816721AS

Audi A4 S4 8W A5 S5 F5 Air Conditioning Coolant Line Hose Tube Pipe 8W0816721AS

Product currently unavailable

Part no. A1768300700

Mercedes W176 A/C Air Conditioning Hose Pipe A1768300700

Product currently unavailable

Part no. 6946353-1

BMW E46 Evaporator Compressor Coolant Suction Pipe 6946353

Product currently unavailable

Part no. 1K0820743CD

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

Product currently unavailable

Part no. A2712030502

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

Product currently unavailable

Part no. 1K0820721CA

Audi A3 8P Air Conditioning Pipe A/C Hose Line 1K0820721CA

Product currently unavailable

Part no. A9108303201-2

Mercedes Sprinter W910 Air Vent Grill Outer Front A9108303201

Product currently unavailable

Part no. 8386845

BMW 3 Serie E46 Pressure Hose Compressor Condenser 8386845

Product currently unavailable

Part no. 6761193

BMW 5 6 Series E60 R61 E63 E64 Pressure Hose Assy 6761193

Product currently unavailable

Part no. 8E0260707BH

Audi A4 B7 High Pressure A/C Air Condition Line Tube Pipe Hose Line 8E0260707BH

Product currently unavailable

Part no. 9181834

Compressor Condenser Hose BMW E60 E63 Petrol N62N A/C Coolant Line 9181834

Product currently unavailable

Part no. 80A816721

Audi Q5 FY Coolant Air Conditioning Pipe A/C Cooling Hose Line Tube 80A816721

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. 6C0816721G

Audi A1 8X Skoda Fabia Mk3 Air Con Pipe Hose AC Refrigerant 6C0816721G

Product currently unavailable

Part no. LR072004

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

Product currently unavailable

Part no. 6946623

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

Product currently unavailable

Part no. LR046251

Range Rover L405 Air Conditioning Hose A/C Condenser Outlet Pipe CPLA-19E932-AC

Product currently unavailable

Part no. 1K0820721BK

Audi A3 8P VW Golf Mk6 Air Conditioning Pipe A/C Hose Line 1K0820721BK

Product currently unavailable

Part no. 9181852

BMW 5 E60 E61 LCI N53 Pressure Hose Condenser Evaporator Pipe Lines 9181852

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. A1688300054

Mercedes W168 Dashboard Dash Center Air Vent Grill Nozzle A1688300054

Product currently unavailable

Part no. A2468300215

Mercedes W246 M651 Air Conditioning Pipe Compressor Pipe A2468300215

Product currently unavailable

Part no. 6976791-1

BMW E90 E91 E92 335d M57N2 Evaporator Compressor Suction Pipe 6976791

Product currently unavailable

Part no. A2128305515

Pressure Hose Mercedes W212 Pipe Line Air Conditioning A/C Condenser A2128305515

Product currently unavailable

Part no. 5N0820721G

VW Volkswagen Tiguan 5N Air Con Conditioning A/C Hose Pipe Line 5N0820721G

Product currently unavailable

Part no. A2028304915

Mercedes-Benz C CLK W202 A208 C208 W208 Air Conditioning Pipe Line A2028304915

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. 9802726

Mini Cooper R60 A/C Air Conditioning Pipe Refrigerant Hose Line 9802726

Product currently unavailable

Part no. A2138301201

Air Conditioning Pipe Mercedes W213 GLC X253 Refrigerant A/C Hose A2138301201

Product currently unavailable

Part no. 9681620980

Peugeot 207 Air Conditioning A/C Refrigerant Pipe Hose Line 9681620980

Product currently unavailable

Part no. 6910803-1

Air Conditioning Pipe BMW E60 E61 Pressure Hose Evaporator Line Hose 6910803

Product currently unavailable

Part no. A1122300156

Mercedes-Benz W202 W208 M112 Petrol Air Conditioning Hose Pipe A1122300156

Product currently unavailable

Part no. 8385263-1

BMW E65 E66 Pressure Hose Condenser Evaporator Air Conditioning Pipe 8385263

Product currently unavailable

Part no. 6934349

BMW 5 Series E60 E61 535d M57N Suction Pipe Line Air Conditioning 6934349

Product currently unavailable

Part no. 9147347

BMW 3 5 7 Series F01 F02 F10 F11 F30 LCI B48X Heater Changeover Valve 9147347

Product currently unavailable

Part no. A1635011682

Mercedes-Benz M-Class ML W163 Expansion Tank Hose Pipe A1635011682

Product currently unavailable

Part no. 9658227580

Peugeot 308 Air Conditioning A/C Refrigerant Pipe Hose Line 9658227580

Product currently unavailable

Part no. 6923957

BMW 3 Series E46 330d M57 Evaporator Compressor Suction Pipe Hose 6923957

Product currently unavailable

Part no. A1122301756

Compressor Hose Mercedes W163 W639 W220 Air Conditioning Pipe A1122301756

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. 7835047

BMW 5 6 Series E60 M5 E63 M6 Pressure Hose Assy Pipe Exhaust Manifold 7835047

Product currently unavailable

Part no. 9175326

Air Conditioning Pipe BMW F07 GT F10 F11 Refrigerant Suction Hose Line 9175326

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. 6R0820721E

Air Con Hose VW Polo 6R Seat Ibiza 4 Air Conditioning Pipe Line 6R0820721E

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. A1778309802

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

Product currently unavailable

Part no. 6928597

BMW E90 E91 Air Conditioning Hose A/C Pressure Pipe Compressor 6928597

Product currently unavailable

Part no. 1436410

BMW E46 Petrol Coolant Pipe Radiator Hose 1436365

Product currently unavailable

Part no. A9068306315

Mercedes Sprinter W906 Air Conditioning A/C Air Con Hose Pipe Line A9068306315

Product currently unavailable

Part no. 6916204

BMW 3 Series E46 Compressor Condenser Pressure Hose Pipe 6916204

Product currently unavailable

Part no. A1122301356

Mercedes-Benz W202 W208 M112 Petrol Air Condition Suction Hose Pipe A1122301356

Product currently unavailable

Part no. A1688303215

Mercedes-Benz A W168 Air Conditioning Compressor Condenser Pipe A1688303215

Product currently unavailable

Part no. A2048304715

Air Conditioning Pipe Mercedes W204 W212 Refrigerant A/C Hose Line A2048304715

Product currently unavailable

Part no. 6932266

BMW 5 6 Series E60 M5 E63 M6 Compressor Condenser Suction Pipe Adapter 6932266

Product currently unavailable

Part no. 1K0820741BD

Audi A3 8P Air Conditioning Hose A/C Pipe Line 1K0820741BD

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. 8W6816738B

Audi A5 F5 A/C Air Condition Coolant Hose Line Refrigerant Hose Line 8W6816738B

Product currently unavailable

Part no. 2409077

BMW F87 M2 Hose Radiator Thermostat Coolant Line Pipe 2409077

Product currently unavailable

Part no. 7230043

Air Duct BMW F12 F13 Cover Channel Rear Left N/S Trim Cabin Interior 7230043

Product currently unavailable

Part no. 6976790

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

Product currently unavailable

Part no. 1T0820741AB

VW Volkswagen Touran 1T Air Conditioning Hose A/C Pipe Line 1T0820741AB

Product currently unavailable

Part no. 1T0820743BR

VW Volkswagen Touran 1T Air Conditioning Hose A/C Pipe Line 1T0820743BR

Product currently unavailable

Part no. 1K0820721BL

Audi A3 8Y Air Conditioning Pipes A/C Air Con Hose Pipe Line 1K0820721BL

Product currently unavailable

Part no. A2302400117

Mercedes C E W203 W210 W211 Petrol Engine Mount Mounting Bearing A2302400117

Product currently unavailable

Part no. A6398311745

Mercedes Vito Viano W639 Air Conditioning Air Duct Channel Tube Rear A6398311745

Product currently unavailable

Part no. 924804190R

Renault Trafic 3 Vivaro B Air Conditioning Pipe Refrigerant Hose Line 924804190R

Product currently unavailable

Part no. 8J0820741F

Audi TT 8J Air Conditioning Pipe Refrigerant Hose Line Pipe A/C 8J0820741F

Product currently unavailable

Part no. 6989859

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

Product currently unavailable

Part no. 4H0260710AA

Audi A8 D4 Air Conditioning A/C Air Con Coolant Pipe Hose Line 4H0260710AA

Product currently unavailable

Part no. A1132301856

Mercedes W203 AMG Air Conditioning A/C Pipe Hose Refrigerant Line A1132301856

Product currently unavailable

Part no. 3Q0816721G

Volkswagen Passat B8 Air Conditioning A/C Hose Pipe Line 2.0 Diesel 3Q0816721G

Product currently unavailable

Part no. lhd-A2218300116

Mercedes CL C216 S W221 Air Conditioning Pipe Refrigerant Hose A2218300116

Product currently unavailable

Part no. 7795135

BMW 3 X3 X5 E90 E91 E83 E70 LCI M57N2 Refrigerant Hose Pipe Cooling 7795135

Product currently unavailable

Part no. A2538306700

Mercedes GLC X253 Air Conditioning Compressor Refrigerant Hose A2538306700

Product currently unavailable

Part no. 6982882

Mini R50 Pressure Hose Pipe Air Conditioning Compressor Condenser W17 6982882

Product currently unavailable

Part no. 4G0816741AB

Audi A7 4G8 Air Conditioning A/C Refrigerant Hose Pipe Line 4G0816741AB

Product currently unavailable

Part no. 6J0819465

Seat Ibiza 6J VW Polo 9A Vent Cover Flap Rear Left Right N/O/S 6J0819465

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. 9181850

BMW 5 Series E60 M5 Pressure Hose Condenser Evaporator Air Con A/C Pipe 6927829

Product currently unavailable

Part no. LR013848

Land Rover Discovery 4 L319 Air Conditioning Hose Pipe Line Tube AH22-19867-AD

Product currently unavailable

Part no. A2538303001

Mercedes GLC X253 Air Conditioning Compressor Hose A/C Line A2538303001

Product currently unavailable

Part no. A1778304501

Mercedes W177 W247 Air Conditioning Pipe Refrigerant Line Hose A/C A1778304501

Product currently unavailable

Part no. LR120446

Range Rover Sport L494 A/C Air Con Air Conditioning Hose Pipe 3.0 KPLA-19N601-AB

Product currently unavailable

Part no. 4E0129901A

Audi S8 D3 Coolant Air Conditioning Pipe A/C Hose Line Tube 4E0129901A

Product currently unavailable

Part no. A1668300200

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

Product currently unavailable

Part no. 5Q0820741C

Audi A3 8V Seat Leon 5F VW Golf VII Air Conditioning Pipe A/C Hose 5Q0820741C

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. A6462300456

Air Conditioning Pipe Mercedes CL203 W209 A/C Hose Refrigerant Line A6462300456

Product currently unavailable

Part no. 9151740

BMW E90 E91 E92 LCI Pressure Hose Condenser Evaporator Pipe Lines 9151740

Product currently unavailable

Part no. 8387650

BMW 3 Series E46 Dryer Evaporator Pressure Hose Line Pipe Assy Coolant 8387650

Product currently unavailable

Part no. 1K0820743FG

VW Golf Mk5 Skoda Octavia II Air Conditioning A/C Hose Pipe Line 1K0820743FG

Product currently unavailable

Part no. A1635003872

Mercedes-Benz M ML W163 270 CDI Compressor Condenser Pipe Hose Line A1635003872

Product currently unavailable

...

Showing 892-990 of 1083 products