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

Make

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

Product currently unavailable

Part no. 3400430

BMW X3 E83 Dryer Evaporator Pressure Coolant Hose Pipe Assy 3400430

Product currently unavailable

Part no. 2758222

Air Conditioning Pipe Mini Cooper R55 R56 Aluminium Double Tube 2758222

Product currently unavailable

Part no. 6950481

BMW Z4 Series E85 Air Conditioning Condenser Dryer Pressure Hose Assy 6950481

Product currently unavailable

Part no. 95B816720D

Porsche Macan 95B Air Conditioning Refrigerant Pipe A/C Line 95B816720D

Product currently unavailable

Part no. 7534527

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

Product currently unavailable

Part no. A6460700532

Mercedes C W203 OM646 Fuel Injector to Tank Feed Lines Pipes Diesel A6460700532

Product currently unavailable

Part no. BJ32-19A834-AD

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

Product currently unavailable

Part no. 9151733

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

Product currently unavailable

Part no. A4478307600

Mercedes Vito W447 Air Conditioning Condenser Compressor Pipe Line A4478307600

Product currently unavailable

Part no. 1436410

BMW E46 Petrol Coolant Pipe Radiator Hose 1436365

Product currently unavailable

Part no. 6988880

BMW X5 X6 E70 E71 3.0d M57N2 Compressor Condenser Pressure Hose Line 6988880

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. 6989307-1

BMW E90 E91 N47 Air Con Compressor Condenser Pressure Hose 9223319

Product currently unavailable

Part no. 2751469

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

Product currently unavailable

Part no. 8U0820721G

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

Product currently unavailable

Part no. 8K0260701

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

Product currently unavailable

Part no. 6988882

BMW X5 X6 Series E70 E71 Pressure Hose Compressor Condenser

Product currently unavailable

Part no. 4F0260701C

Audi A6 C6 Air Con Pipe Conditioning Hose A/C Line 4F0260701C

Product currently unavailable

Part no. 7L6820744BD

Audi Q7 4L 3.0 TDI Air Conditioning Hose A/C Pipe Line 7L6820744BD

Product currently unavailable

Part no. 9313848

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

Product currently unavailable

Part no. A1122303856

Air Conditioning Pipe Mercedes W203 W209 M112 Refrigerant Hose A/C A1122303856

Product currently unavailable

Part no. 9145002

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

Product currently unavailable

Part no. 9250723

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

Product currently unavailable

Part no. 5Q0816721AA

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

Product currently unavailable

Part no. 8E0260710H

Audi A4 B7 A/C Air Condition High Pressure Pipe Hose Line Tube 8E0260710H

Product currently unavailable

Part no. 9337127

BMW F20 F21 F30 LCI Pressure Pipe Hose Condenser Evaporator 9337127

Product currently unavailable

Part no. A2118303915

Air Conditioning Mercedes W211 C219 OM642 A/C Compressor Refrigerant Line Hose

Product currently unavailable

Part no. 8377077

BMW X5 E53 3.0i Petrol Pressure Hose Compressor Condenser 8377077

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. 9147347

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

Product currently unavailable

Part no. 7230044

Air Duct BMW F12 F13 Cover Channel Rear Right O/S Trim Cabin Interior 7230044

Product currently unavailable

Part no. 8385263-1

BMW E65 E66 Pressure Hose Condenser Evaporator Air Conditioning Pipe 8385263

Product currently unavailable

Part no. 1K0820721CA

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

Product currently unavailable

Part no. 9151739

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

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. 80A816721

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

Product currently unavailable

Part no. 6976790

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

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. 8U0820743C

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

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. 8U0820741D

Audi Q3 8U Coolant Air Conditioning Pipe A/C Hose Line Tube 8U0820741D

Product currently unavailable

Part no. 9321046

Air Conditioning Pipe BMW F10 F11 LCI B47 Refrigerant Hose Line 9321046

Product currently unavailable

Part no. A1778304301

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

Product currently unavailable

Part no. 6908754

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

Product currently unavailable

Part no. 9324796

BMW G30 G31 G11 G12 Air Conditioning Pipe A/C Coolant Hose Line 9324796

Product currently unavailable

Part no. 9802834

BMW Mini Cooper R60 R61 Evaporator Compressor Suction Pipe 9802834

Product currently unavailable

Part no. A6398306115

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

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. 9337129

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

Product currently unavailable

Part no. A1778305601

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

Product currently unavailable

Part no. A1122303256

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

Product currently unavailable

Part no. 2751471

Mini Cooper R55 R56 Air Conditioning Aluminium Coolant Double Pipe 2751471

Product currently unavailable

Part no. 6923956

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

Product currently unavailable

Part no. A2048301116

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

Product currently unavailable

Part no. A2058311145

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

Product currently unavailable

Part no. 6982882

Mini R50 Pressure Hose Pipe Air Conditioning Compressor Condenser W17 6982882

Product currently unavailable

Part no. A2048305316

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

Product currently unavailable

Part no. A2128306915

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

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. 9190453

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

Product currently unavailable

Part no. 8K0260701R

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

Product currently unavailable

Part no. A1698301715

Pressure Pipe Mercedes W169 Air Conditioning Hose Line A1698301715

Product currently unavailable

Part no. 9237129

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

Product currently unavailable

Part no. 9181852-1

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

Product currently unavailable

Part no. 7L6820750S

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

Product currently unavailable

Part no. 9181863

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

Product currently unavailable

Part no. 1T0820743AC

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

Product currently unavailable

Part no. A1668302201

Mercedes GLE W166 Air Conditioning A/C Air Con Hose Pipe Line A1668302201

Product currently unavailable

Part no. A1778304501

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

Product currently unavailable

Part no. F1F119N601BC

Ford Transit Connect Air Conditioning Pipe Line Hose A/C F1F1-19N601-BC

Product currently unavailable

Part no. 6C0816743N

Audi A1 8X Air Conditioning Compressor Sensor A/C Hose Pipe Line 6C0816743N

Product currently unavailable

Part no. 6945726

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

Product currently unavailable

Part no. 6959992

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

Product currently unavailable

Part no. A1718301115

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

Product currently unavailable

Part no. 5Q0816721A

Audi A3 8V Air Conditioning Refrigerant Hose Compressor Line 5Q0816721A

Product currently unavailable

Part no. A9108300000

Mercedes Sprinter W910 Air Conditioning Pipe Refrigerant Hose Line A9108300000

Product currently unavailable

Part no. 9321045

BMW F10 F11 LCI B47 Air Conditioning Coolant Suction Pipe Line 9321045

Product currently unavailable

Part no. 8385266

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

Product currently unavailable

Part no. A2048300916

Mercedes W204 C207 M271 Air Conditioning Pipe Line Refrigerant Hose A2048300615

Product currently unavailable

Part no. 7565779

BMW 5 6 Series E60 E63 E64 LCI Petrol Engine Cooling Radiator Vent Pipe 7565779

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. 1691659

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

Product currently unavailable

Part no. A2218301316

Mercedes W221 Air Conditioning Coolant Suction Pipe Line Hose A2218301316

Product currently unavailable

Part no. 6958744

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

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. 9291280

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

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. A1122301956

Mercedes-Benz E-Class W210 M112 240 280 320 Air Conditioning Compressor Pipe

Product currently unavailable

Part no. 9155353

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

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. 2284690

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

Product currently unavailable

Part no. 9221763

BMW X5 E70 LCI N57 Air Conditioning Line Pressure Hose Pipe 9221763

Product currently unavailable

Part no. A6398301016

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

Product currently unavailable

Part no. A2712030502

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

Product currently unavailable

Part no. 5Q0816743E

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

Product currently unavailable

Part no. A2722300756

Air Conditioning Pipe Mercedes W203 W209 M272 Petrol Compressor Pipe A2722300756

Product currently unavailable

Part no. A1778309802

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

Product currently unavailable

...

Showing 694-792 of 978 products