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

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

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BMW E60 E61 LCI Air Conditioning Pipe A/C Air Con Hose Pipe Line 9119703

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

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

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

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

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BMW E60 E61 Pressure Hose Condenser Evaporator Pipe Lines 9184101

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

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BMW E46 M47N Intercooler Pipe Air Charge Line Intake Manifold 7786865

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Pressure Pipe Mercedes W169 Air Conditioning Hose Line A1698301715

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

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BMW E81 E87 E90 E91 E92 Suction Pipe Evaporator Compressor 6927846

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

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Audi A5 8T Air Conditioning Hose A/C Pipe Line 8T0260701C

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

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Mini R60 R61 Pressure Hose Condenser Evaporator Air Con Pipe 9806518

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

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

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

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BMW 1 3 Series F20 F21 F30 F31 LCI Pressure Hose Compressor Condenser 9337128

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

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

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Mini R55 R56 R57 LCI Pressure Hose Condenser Evaporator Pipe Lines 9230693

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Air Conditioning Pipe Mercedes W177 W247 Refrigerant A/C Hose Line A1778304201

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

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

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Mini F55 F56 F57 F60 Pressure Hose Compressor Condenser Petrol 9869633

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BMW E90 E91 E92 E93 M57N2 Pressure Hose Compressor Condenser 6928586

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

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Mini Cooper R55 R56 Air Conditioning Aluminium Coolant Double Pipe 2751471

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

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

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Air Conditioning Pipe Audi A4 B8 Refrigerant Hose Line Pipe A/C 8K0260701

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Mercedes C CLK W203 C209 Kompressor Air Conditioning Suction Pipe Line

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

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Mercedes CL C216 S W221 Air Conditioning Pipe Refrigerant Hose A2218300116

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

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

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Range Rover Evoque L538 Air Conditioning A/C Hose Pipe Line BJ32-19A834-AD

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

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

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

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Air Conditioning Pipe Renault Trafic 3 Vivaro B Refrigerant Hose Line 924907582R

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BMW E90 E91 E92 LCI Pressure Hose Condenser Evaporator Lines 9151738

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Audi A4 B8 Air Conditioning Pipe Refrigerant Hose Line Pipe A/C 8K0260701D

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Skoda Octavia II Air Conditioning Hose A/C Pipe Line 1K0820741BB

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Refrigerant Hose Pipe Mercedes W204 W212 Air Con Condenser Line A2048305216

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

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BMW X1 F48 Mini F55 F56 F57 F60 B38 B48 Coolant Hose Pipe Line Tube 6832801

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Air Conditioning Pipe Mercedes W203 W209 M272 Petrol Compressor Pipe A2722300756

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

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

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

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

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Audi RS6 C7 Air Conditioning Pipe Hose Line A/C 4G0260707AK

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Mercedes W177 Air Con Pipe Conditioning Line Hose A/C A1778304301

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

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

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Mercedes W177 Air Con Refrigerant Pipe Conditioning Line Hose A/C A1778305601

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Audi VW Skoda Seat Air Conditioning Pipe A/C Air Con Hose Line 5Q0820743C

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

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BMW 7 Series E65 Air Conditioning Condenser Evaporator Coolant Pressure Hose

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

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Mini Cooper R55 R56 LCI Diesel N47N Compressor Condenser Pressure Hose 9313848

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

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

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BMW X3 E83 LCI 3.0sd M57N2 Air Conditioning Pipe Refrigerant Line A/C 3415347

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BMW E46 Petrol Coolant Pipe Radiator Hose 1436365

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

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BMW 5 Series E60 E61 Diesel M57N Air Conditioning Con Coolant Hose Pipe 6911951

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

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Volkswagen Golf Audi A3 8P Air Conditioning Pipe Hose Line A/C 1K0820741AT

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BMW E90 E91 N47 Air Con Compressor Condenser Pressure Hose 9223319

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Volkswagen VW Tiguan 5N Air Conditioning Hose A/C Pipe Line 5N0820741C

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BMW X5 X6 Series E70 E71 Rear Compartment Air Vent Duct 6958744

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BMW E60 E61 Diesel M57N Air Con Pressure Hose Compressor condenser

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

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Audi TT 8N A3 8L Air Conditioning Hose A/C Pipe Line 8L9820721D

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

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Mercedes W246 M651 Air Conditioning Pipe Compressor Pipe A2468300215

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

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

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BMW 5 Series E60 E61 Suction Pipe Air Conditioning 520d Diesel M47N2

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BMW F10 LCI B47 Coolant Line Pressure Hose Pipe Compressor Condenser 9376740

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

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Seat Ibiza Mk5 Air Conditioning Hose A/C Pipe Line 1.0 TSI 2Q0816743AL

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

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BMW E60 E61 LCI Pressure Hose Condenser Evaporator Pipe Lines 9119702

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

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Mercedes-Benz E W210 M112 240 280 320 Air Conditioning Radiator Suction Pipe

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

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Mercedes W203 W211 Power Steering Pump Pulley Diesel A6112300115

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BMW X3 Series E83 LCI Pressure Hose Compressor Condenser 3415556

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BMW E60 E60N E61 E61N Pressure Hose Condenser Evaporator PETROL

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Mercedes W204 C207 W212 A/C Air Conditioning Pipe Hose Line OM642 A2048300715

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Volkswagen Touran 1T Golf 6 Audi A3 8P Air Con Pipe A/C Hose Line 1K0820721BQ

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

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