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

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

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

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

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BMW E60 E61 Pressure Hose Condenser Evaporator Pipe Lines 9184101

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

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

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

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Mercedes CL C216 S W221 Air Conditioning Pipe Refrigerant Hose A2218300116

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BMW i3 I01 Pressure Pipe Hose Line Rear Refrigerant Air Conditioning 9291280

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

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

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Mercedes Benz W203 Cooling Coolant Water Hose A2038304796

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Refrigerant Hose Pipe Mercedes W204 W212 Air Con Condenser Line A2048305216

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BMW F80 M3 F82 F83 M4 Air Con Compressor Pressure Line Hose Pipe 9321310

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Mercedes W176 Diesel Air Con Compressor Condenser Pipe Line A2468301302

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

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Mercedes-Benz E W211 Air Conditioning AC A/C Pressure Switch Sensor A1408300072

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Air Conditioning Dryer Renault Trafic II Air Con Tank Pressure Sensor 8200468518

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

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

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Volkswagen Touareg 2.5 TDI Air Conditioning Hose A/C Pipe Line 7L6820750S

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VW Volkswagen Touran MK1 Air Conditioning Refrigerant A/C Pipe Hose 1T0820743AC

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BMW G20 G21 Air Conditioning Pipe A/C Coolant Hose Line 9395479

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A/C Pressure Air Pipe BMW G12 G30 G32 Evaporator Compressor Air Con Pipe 9321597

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

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Mercedes W210 E200 Petrol M111 Air Conditioning Compressor Hose A1112306056

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Volkswagen Touareg 7L Air Conditioning Hose A/C Pipe Line 3.0 TDI 7L6820750L

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

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

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BMW E90 E91 LCI N57 Pressure Hose Condenser Evaporator Lines 9209729

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

-5%

Part no. 6J0819465

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

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

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

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BMW X5 E70 Refrigerant Hose Pipe 3.0si N52N Cooling System Line Petrol 7561686

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Compressor Condenser Pipe BMW E60 E63 Air Conditioning Pressure Hose 6921974

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Audi A5 8T Air Conditioning Pipe Refrigerant Hose Line Pipe A/C 8K0260710Q

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

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

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

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Air Conditioning Pipe Mercedes W204 M271 Compressor Condenser Refrigerant Line

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BMW 6 E63 E64 LCI 635d M57N2 Condenser Evaporator Pressure Hose Pipe 9155353

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

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Audi A4 B9 Air Conditioning Pipe Refrigerant Hose Line Pipe A/C 8W0816743BL

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BMW F45 Mini F60 Air Conditioning Pipe Compressor Suction Pipe 6808604

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

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Mercedes Vito W639 Air Conditioning A/C Refrigerant Pipe Line Hose A6398301016

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Mercedes-Benz M-Class ML W163 Expansion Tank Recirculating Pump Coolant Hose

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

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Mercedes W203 M271 Air Conditioning A/C Pipe Hose Refrigerant Line A2712300756

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Air Conditioning Pipe BMW F40 Mini F60 B48E A/C Refrigerant Hose Line 9490509

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

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

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Audi A4 B9 Air Conditioning Pipe A/C AC Hose Line 8W0816738Q

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Audi A4 B9 A5 F5 Air Conditioning Hose A/C Pipe Refrigerant Line 8W0816721BF

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

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BMW 3 Series E90 E90N E92 E92N E93 LCI M3 Pressure Hose Compressor Condenser

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

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Range Rover L322 A/C Air Con Air Conditioning Pipe Hose Line 4H42-19972-AA

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Land Rover Discovery Sport L550 Air Conditioning Pipe Hose Line HJ32-19E932-AB

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Audi A3 8V 2.0 TDI Air Conditioning Pump Compressor Unit 5Q0820803F

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Radiator Vent Pipe BMW E65 740i 750i N62N Petrol Engine Cooling Hose 7534527

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Ford Transit Connect Air Conditioning Heater Hose Pipe Tube Line DV61-19N601-BB

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

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

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Adapter Lead Cable BMW E92 LCI Active Pedestrian Protection E93 LCI 9274699

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Mercedes W163 270 CDI Air Con Conditioning Cooler Condenser Pipe Hose

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Ford Focus Mk3 Air Conditioning Tube Line Hose A/C BV61-19A834-RB

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BMW 5 Series E60 E61 535d M57N Pressure Hose Compressor Condenser Pipe 6934350

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

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

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

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Audi RS4 B7 Coolant Air Conditioning Pipe A/C Hose Line Tube 8E0260701BT

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Mercedes Sprinter W910 Air Vent Grill Front A9108303201

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Land Rover L319 Air Conditioning A/C Hose Pipe Line 2.7 Lion Diesel JUE501230

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Mercedes W221 Air Conditioning Coolant Suction Pipe Line Hose A2218301316

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

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Audi A6 C8 Refrigerant Hose Pipe Air Con A/C Coolant Line Hybrid 4K0816704AA

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Audi Q3 SE Air Conditioning Pipe Hose Line A/C 8U0820721G

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Audi A5 8T Refrigerant Pipe Air Conditioning Line Hose 8T0260710G

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Land Rover Discovery 3 L319 Air Conditioning Hose Line Tube Pipe JUE000505

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Land Rover L319 Air Conditioning A/C Hose Pipe Line 2.7 Lion Diesel JUF500510

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

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

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

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Air Conditioning Mercedes W213 Compressor Condenser Refrigerant Hose A2138307904

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Audi Q5 8R Air Conditioning Pipe Hose AC Refrigerant Line 2.0 TDI 8R0260701H

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BMW X5 Series E53 M57 3.0d Diesel Compressor Condenser Pressure Hose 8377079

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BMW X5 Series E53 M57 3.0d Diesel Compressor Condenser Pressure Hose 8377079

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Mercedes ML W164 GL X164 Air Conditioning Compressor Condenser Pipe Line

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BMW 3 Series E46 Dryer Evaporator Pressure Coolant Hose Pipe Assy 6908908

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

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Air Conditioning Pipe Mercedes W203 W209 M272 Petrol Compressor Pipe A2722300756

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Mercedes Vito W639 Air Conditioning A/C Refrigerant Pipe Line Hose A6398303700

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BMW E90 E91 E92 335d M57N2 Compressor Condenser Pressure Hose Pipe 9209730

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

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Part no. C-2758225

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

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BMW E46 M47N Intercooler Pipe Air Charge Line Intake Manifold 7786865

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VW Touran 1T Air Conditioning Hose A/C Refrigerant Pipe Line 1T0820743AQ

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