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 E60 E61 E63 E64 LCI N53 Adapter For Suction Pipe 6988158

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Mini Cooper R50 W17 Evaporator Compressor Coolant Suction Pipe 6918600

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Part no. 6918600

Mini Cooper R50 W17 Evaporator Compressor Coolant Suction Pipe 6918600

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Air Conditioning Pipe BMW F80 M3 F82 M4 Evaporator Compressor Suction Hose

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Part no. 9321309

Air Conditioning Pipe BMW F80 M3 F82 M4 Evaporator Compressor Suction Hose

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BMW X3 Series E83 LCI 3.0d M57N2 Adapter Lead Compressor Suction Pipe 3414631

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Part no. 3414631

BMW X3 Series E83 LCI 3.0d M57N2 Adapter Lead Compressor Suction Pipe 3414631

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BMW 5 7 Series F01 F02 F07 F10 F10N F11 F11N LCI Suction pipe with filler neck

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Part no. 9120005

BMW 5 7 Series F01 F02 F07 F10 F10N F11 F11N LCI Suction pipe with filler neck

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BMW 3 4 Series F80 M2 F82 F83 M4 Hose Coolant Expansion Tank Radiator 2284692

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Part no. 2284692

BMW 3 4 Series F80 M2 F82 F83 M4 Hose Coolant Expansion Tank Radiator 2284692

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BMW G30 LCI Compressor A/C Air Condition Condensor Pipe Hose Line 9109971

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Part no. 9109971

BMW G30 LCI Compressor A/C Air Condition Condensor Pipe Hose Line 9109971

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BMW 1 3 Series E81 E87N LCI E90 E91 Suction Pipe Evaporator Compressor Air Hose

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Part no. 9168366

BMW 1 3 Series E81 E87N LCI E90 E91 Suction Pipe Evaporator Compressor Air Hose

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BMW F70 F74 F78 U06 U11 U12 U10 Water Return Coolant Pipe Hose Line 8832955

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Part no. 8832955

BMW F70 F74 F78 U06 U11 U12 U10 Water Return Coolant Pipe Hose Line 8832955

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Coolant Line BMW X5 F15 X6 F16 Pressure Hose Compressor Condenser 9252990

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Part no. 9252990

Coolant Line BMW X5 F15 X6 F16 Pressure Hose Compressor Condenser 9252990

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BMW 1 Series E81 E87 LCI Diesel N47 Air Conditioning Line Suction Line 4250403

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Part no. 9209741-1

BMW 1 Series E81 E87 LCI Diesel N47 Air Conditioning Line Suction Line 4250403

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BMW F01 F02 F03 Air Con Air Conditioning Suction Hose Pipe N74 Petrol 9119988

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Part no. 9119988

BMW F01 F02 F03 Air Con Air Conditioning Suction Hose Pipe N74 Petrol 9119988

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BMW X3 Series E83 2.0d M47N2 Evaporator Compressor Coolant Suction Pipe 3420250

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Part no. 3420250

BMW X3 Series E83 2.0d M47N2 Evaporator Compressor Coolant Suction Pipe 3420250

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Air Con Pipe BMW X5 F15 X6 F16 Pressure Hose Tube Compressor Evaporator 9271893

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Part no. 9271893

Air Con Pipe BMW X5 F15 X6 F16 Pressure Hose Tube Compressor Evaporator 9271893

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Air Duct BMW X5 E70 X6 E71 Footwell Ventilation Passenger Side Channel 9129315

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Air Duct BMW X5 E70 X6 E71 Footwell Ventilation Passenger Side Channel 9129315

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BMW i4 G26 Air Conditioning Compressor Sensor A/C Hose Pipe Line 9474787

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BMW i4 G26 Air Conditioning Compressor Sensor A/C Hose Pipe Line 9474787

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BMW E60 E61 E63 E64 Air Con Refrigerant Hose 540i 550i 650i N62N 9155346

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Part no. 9155346

BMW E60 E61 E63 E64 Air Con Refrigerant Hose 540i 550i 650i N62N 9155346

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Air Duct BMW X5 F15 X6 F16 Air Channel Tube Cabin Front Right O/S 9258256

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Air Duct BMW X5 F15 X6 F16 Air Channel Tube Cabin Front Right O/S 9258256

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BMW 1 3 Series F20 F21 F30 F31 Suction Hose Pipe Evaporator Compressor 9337133

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BMW 1 3 Series F20 F21 F30 F31 Suction Hose Pipe Evaporator Compressor 9337133

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Air Duct BMW X5 F15 X6 F16 Air Channel Tube Cabin Front Left N/S 9258255

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Part no. rhd-9258255

Air Duct BMW X5 F15 X6 F16 Air Channel Tube Cabin Front Left N/S 9258255

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BMW U06 Active Tourer Air Con A/C Hose Pipe Air Conditioning 5B4A256

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BMW U06 Active Tourer Air Con A/C Hose Pipe Air Conditioning 5B4A256

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BMW 3 4 Series F80 M3 F83 M4 Engine Supply Coolant Pipe Hose 9307240

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BMW 3 4 Series F80 M3 F83 M4 Engine Supply Coolant Pipe Hose 9307240

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BMW i4 G26 Air Conditioning Double Pipe A/C Coolant Hose Line 9474791

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BMW i4 G26 Air Conditioning Double Pipe A/C Coolant Hose Line 9474791

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BMW F74 Gran Coupe U06 Active Tourer Air Conditioning A/C Hose Pipe 5B4A257

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BMW F74 Gran Coupe U06 Active Tourer Air Conditioning A/C Hose Pipe 5B4A257

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BMW F70 F74 Air Conditioning Pipe A/C Hose Condenser Pressure Line 5B3FD99

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BMW F70 F74 Air Conditioning Pipe A/C Hose Condenser Pressure Line 5B3FD99

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BMW G32 GT A C Air Condition Hose Pipe Line Tube 9362756

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BMW G32 GT A C Air Condition Hose Pipe Line Tube 9362756

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BMW G20 G21 Air Conditioning Pipe A/C Coolant Hose Line 6841355

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Part no. 6841355

BMW G20 G21 Air Conditioning Pipe A/C Coolant Hose Line 6841355

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BMW E82 E88 E90 LCI E92 LCI Air Conditioning Pipe Hose Tube Line 9210480

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Part no. 9210480

BMW E82 E88 E90 LCI E92 LCI Air Conditioning Pipe Hose Tube Line 9210480

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Non-Return Valve BMW i3 I01 Electric A/C Air Conditioning Pipe Hose 9292574

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Part no. 9292574

Non-Return Valve BMW i3 I01 Electric A/C Air Conditioning Pipe Hose 9292574

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BMW 5 Series E60N E61N E60 E61 LCI Radiator Engine Return Hose Line 6985736

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Part no. 6985736

BMW 5 Series E60N E61N E60 E61 LCI Radiator Engine Return Hose Line 6985736

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Air Conditioning Pipe BMW X3 F25 X4 F26 B47 A/C Compressor Hose Line 9345361

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Part no. 9345361

Air Conditioning Pipe BMW X3 F25 X4 F26 B47 A/C Compressor Hose Line 9345361

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BMW 5 6 Series E60 E61 E63 E64 LCI Adapter Suction Pipe Hose Connector 6914574

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Part no. 6914574

BMW 5 6 Series E60 E61 E63 E64 LCI Adapter Suction Pipe Hose Connector 6914574

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BMW X3 Series 1 E83 LCI 3.0d M57N2 Adapter Lead Compressor Suction Pipe 3414631

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Part no. 3414631-1

BMW X3 Series 1 E83 LCI 3.0d M57N2 Adapter Lead Compressor Suction Pipe 3414631

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BMW F98 X3 G01 X4 G02 Air Inlet Diffusor 9364883

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BMW F98 X3 G01 X4 G02 Air Inlet Diffusor 9364883

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BMW 5 6 Series E60 E61 E63 E64 Condensator Water Drain Hose Bottom Right O/S

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Part no. 6917888

BMW 5 6 Series E60 E61 E63 E64 Condensator Water Drain Hose Bottom Right O/S

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BMW X5 Series E53 Auxiliary Heating Webasto Air Intake Hose Silencer 6910575

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Part no. 6910575

BMW X5 Series E53 Auxiliary Heating Webasto Air Intake Hose Silencer 6910575

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BMW 1 3 Series F20 F21 F30 F31 Evaporator Compressor Suction Pipe Hose 9217375

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Part no. 9217375

BMW 1 3 Series F20 F21 F30 F31 Evaporator Compressor Suction Pipe Hose 9217375

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BMW i3 I01 Pressure Line Pipe Front Air Conditioning R1234YF 9291282

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Part no. 9291282

BMW i3 I01 Pressure Line Pipe Front Air Conditioning R1234YF 9291282

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BMW F10 F11 F12 LCI Coolant Line Suction Hose Pipe Compressor Condenser 9376746

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BMW F10 F11 F12 LCI Coolant Line Suction Hose Pipe Compressor Condenser 9376746

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BMW 5 Series E60 E61 Suction Pipe Hose Steering Dynamic Drive 6761509

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Part no. 6761509

BMW 5 Series E60 E61 Suction Pipe Hose Steering Dynamic Drive 6761509

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Part no. 6964964

BMW 1 3 Series E81 E87N LCI E90 E91 Suction Pipe Evaporator Compressor Air Hose

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BMW i3 I01 Suction Pipe Line Front Coolant Air Conditioning 9291270

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BMW i3 I01 Suction Pipe Line Front Coolant Air Conditioning 9291270

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Air Conditioning Hose BMW F13 N55 Refrigerant Suction Compressor Line 9231049

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Air Conditioning Hose BMW F13 N55 Refrigerant Suction Compressor Line 9231049

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BMW 5 SERIES E60 E61 Pressure Hose Compressor-Condenser PETROL 6910804

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BMW 5 SERIES E60 E61 Pressure Hose Compressor-Condenser PETROL 6910804

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BMW E60 E61 LCI N47 520d Suction Pipe Hose Steering Oil 6777285

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Part no. 6777285

BMW E60 E61 LCI N47 520d Suction Pipe Hose Steering Oil 6777285

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Part no. 9324798

BMW G11 G12 G30 Air Conditioning Refrigerant Double Pipe Hose Line Tube 9324798

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

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

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