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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Mercedes W213 Air Conditioning Refrigerant Line Pipe Hose A2138302902

£37.95

Free delivery: Oct 27

If paid before 14:00

Part no. A2128305415

Mercedes W212 Air Conditioning A/C Air Con Hose Pipe Line A2128305415

£23.95

Free delivery: Oct 27

If paid before 14:00

Part no. A2518300715

Air Conditioning Hose Mercedes W251 OM642 Refrigerant Compressor Pipe

£18.95

Free delivery: Oct 27

If paid before 14:00

Part no. A2469980701

Grommet Mercedes GLA X156 Air Conditioning Pipes Feed Through Cover A2469980701

£13.95

Free delivery: Oct 27

If paid before 14:00

Part no. HPLA-18C553-GC

Range Rover Sport L494 A/C Air Conditioning Hose Tube Pipe Line HPLA-18C553-GC

£28.95

Free delivery: Oct 27

If paid before 14:00

Part no. rhd-A2138302802

Mercedes X253 Air Conditioning Pipe A/C Coolant Hose Line A2138302802

£113.95

Free delivery: Oct 27

If paid before 14:00

Part no. 7791116

Mini Cooper R50 Pressure Hose Assy 7791116

£13.95

Free delivery: Oct 27

If paid before 14:00

Part no. LR014459

Land Rover Discovery 4 L319 Webasto Pre-Heater Air Inlet Pipe AH22-18D599-AA

£28.95

Free delivery: Oct 27

If paid before 14:00

Part no. 8U0820743C

Audi Q3 8U Coolant Air Conditioning Pipe A/C Hose Line Tube 8U0820743C

£28.95

Free delivery: Oct 27

If paid before 14:00

Part no. A2128302516-1

Mercedes W212 Refrigerant Hose Pipe Air Conditioning Condenser Line A2128302516

£13.95

Free delivery: Oct 27

If paid before 14:00

Part no. 7L0820743G

Volkswagen Touareg 7L Air Con Pipe Conditioning Hose Line 3.2 Petrol 7L0820743G

£13.95

Free delivery: Oct 27

If paid before 14:00

Part no. 3403606

BMW X3 Series E83 Front Panel Body Hood Catch End Support Bracket 3403606

£18.95

Free delivery: Oct 27

If paid before 14:00

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

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Part no. 1504536-1

A/C Pipe Mini Cooper One R50 R52 R53 Pressure Hose Compressor Condenser 1504536

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Part no. 9212236

A/C Pipe BMW F20 F21 F22 F30 Pressure Hose Condenser Evaporator 9212236

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Part no. 9224863

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

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Part no. 7514550

Mini R52 R53 Supercharger Water Pump Coolant Crossover Line Pipe 7514550

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Part no. 2751471

Mini Cooper R55 R56 Air Conditioning Aluminium Coolant Double Pipe 2751471

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Part no. 6989308

Air Condition Pipe BMW E87 LCI E81 E82 N47 Diesel A/C Pressure Hose 6989308

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Part no. 9224863-2

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

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BMW E90 E91 E92 E93 M57N2 Pressure Hose Compressor Condenser 6928586

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Part no. 9265110

Mini R55 R56 LCI R60 R61 N47N Air Con Pressure Hose Compressor Condenser

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Part no. 9224863-1

BMW MINI Cooper One R55 R56 R57 Pressure Hose Pipe Condenser Evaporator Air

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Part no. C-2758225

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

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Part no. A9108303201-1

Mercedes Sprinter W910 Front Air Vent Grill A9108303201

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Part no. 5Q0816741C

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

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BMW 5 Serie E60 E61 Diesel M57N Air con A/C pipe hose adapter compressor 6944981

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Part no. 6914491

BMW E60 E60N E61 E61N Condenser Evaporator Pressure Hose Line Diesel 6914491

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Part no. A9108303201

Mercedes Sprinter W910 Air Vent Grill Front A9108303201

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Part no. 9337125

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

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Part no. 9224859

Mini R55 R56 R57 A/C Air Con Compressor Condenser Coolant Hose Pipe 9224859

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Part no. 6945726

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

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

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Part no. 9802834

BMW Mini Cooper R60 R61 Evaporator Compressor Suction Pipe 9802834

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Part no. 9802726

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

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Part no. 2751774-1

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

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Part no. A1778303302

Mercedes W177 Saloon Air Con Refrigerant Pipe Conditioning Line Hose A1778304801

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Part no. 6911952

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

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Part no. A2048304515

Mercedes W204 Air Conditioning Hose Pipe Line A2048304515

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Part no. 9337129

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

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Part no. 9869633

Mini F55 F56 F57 F60 Pressure Hose Compressor Condenser Petrol 9869633

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Part no. 9806518

Mini R60 R61 Pressure Hose Condenser Evaporator Air Con Pipe 9806518

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Part no. 6966288

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

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Part no. 1K0820741CM

Volkswagen Golf Audi A3 8P Air Conditioning Pipe Hose Line A/C 1K0820741CM

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Part no. 5Q0820803F

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

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Part no. 7566031-1

Coolant Hose BMW E81 E87 E90 E91 E92 LCI N43 Cooling System Pipe 7566031

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Part no. 5Q0816743E

Audi A3 S3 8V Air Conditioning Hose A/C Air Con Pipe Line 5Q0816743E

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

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Part no. 8T0260701N

Audi A5 8T A4 B8 Air Conditioning A/C Air Con Pipe Hose Line 8T0260701N

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

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

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

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BMW 1 Series E87 118d 120d A/C Air Con Pipe Hose Compressor Consender 6959992

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Part no. 1K0820743FD

Audi A3 8P Air Conditioning Compressor Sensor A/C Hose Pipe Line 1K0820743FD

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Part no. 9337127

BMW F20 F21 F30 LCI Pressure Pipe Hose Condenser Evaporator 9337127

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Part no. 9182778

BMW X5 E70 A/C Air Condition Hose Pipe Line Tube 9182778

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Part no. A1648300415

Mercedes ML W164 GL X164 Air Conditioning Compressor Condenser Pipe Line

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Part no. 7800590-1

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

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Part no. 9250723

Mini Cooper D R55 R56 R57 LCI R58 Evaporator Compressor Suction Pipe 925072

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Part no. 2751469

Mini Cooper R55 R56 Diesel Compressor Condenser Pressure Hose Line Air Con Pipe

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Part no. 9151738

BMW E90 E91 E92 LCI Pressure Hose Condenser Evaporator Lines 9151738

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Part no. rhd-6R2820743AQ

Seat Ibiza 6J Air Conditioning A/C Air Con Pipe Hose Line 6R2820743AQ

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Part no. rhd-A2118308315

Air Conditioning Pipe Mercedes W211 W219 A/C Air Con Hose Line A2118308315

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Part no. 6842534

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

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Part no. 9151739

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

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Part no. 6927846

BMW E81 E87 E90 E91 E92 Suction Pipe Evaporator Compressor 6927846

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Part no. rhd-A1648304915

Mercedes ML W164 Air Con Refrigerant Pipe Conditioning Line Hose A1648304915

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Part no. 9190453

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

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Part no. RHD-6R2820743AF

Seat Ibiza 6J Air Conditioning Pipe Hose A/C Refrigerant Line 6R2820743AF

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Part no. A2128302500

Mercedes W204 W212 Air Conditioning A/C Air Con Condenser Hose Pipe A2128302500

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Part no. A6398300816

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

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Part no. 9237129

BMW Mini Cooper R55 R56 LCI Compressor Condenser Pressure Coolant Hose 9237129

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Part no. 6989859

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

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Part no. 5Q0816743H

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

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Part no. A6398300015

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

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Part no. 9119702

BMW E60 E61 LCI Pressure Hose Condenser Evaporator Pipe Lines 9119702

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Part no. 6966287

BMW E81 E87 LCI N45 N45N N46N Pressure Hose Compressor Condenser Pipe

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Part no. 1K0820721BK

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

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Part no. 1504541

BMW MINI R52 R53 Suction Pipe Evaporator Compressor Air Con Hose

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Part no. 1K0820721BN

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

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Part no. 5Q0820741C

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

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Part no. A2048305316

Mercedes W204 W212 Air Conditioning Pressure A/C Pipe Hose Line A2048305316

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Part no. A9068306300

Mercedes Sprinter W906 Air Conditioning A/C Air Con Hose Pipe Line A9068306300

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Part no. 6928597

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

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Part no. 7545653

BMW E60 E61 E63 E64 Radiator Engine Return Hose Line 7545653

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Part no. 6988881

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

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Part no. 9808024

Mini Cooper R60 R61 Air Con Suction Pipe Hose Evaporator Compressor 9808024

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Part no. 8J0820721F

Audi TT Mk2 8J 2.0 TFSI Air Conditioning Pipe Hose A/C Line 8J0820721F

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Part no. A2078303015

Mercedes W212 Air Conditioning Pipe A/C AC Hose Line A2078303015

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Part no. rhd-A2038302115

Mercedes C-Class W203 Air Conditioning Pressure Pipe Hose Expansion A2038302115

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Part no. 9181863

BMW Z4 Series E85 Air Conditioning Condenser Dryer Pressure Hose Assy 9181863

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Part no. 5Q0816721K

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

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Part no. RHD-5Q2816738B-2

Seat Leon Mk3 Audi A3 8V Air Conditioning A/C Air Con Pipe Hose Line 5Q2816738B

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Part no. rhd-6R2820741AA

AC Pipe VW Polo 6R Seat Ibiza 1.2 Petrol CGPB Air Conditioning Line 6R2820741AA

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Part no. 6R0820721E

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

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Part no. 9181850

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

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Part no. 6939464

BMW X5 Series E53 Air Con High Pressure Hose Pipe Compressor Condenser 6939464

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Part no. A9068306415

Mercedes Sprinter W906 Air Conditioning A/C Air Con Hose Pipe Line A9068306415

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