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-Benz S-Class W221 Air Con Conditioning Dryer Drier Tank Pressure Sensor

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Air Conditioning Pipe BMW E60 E61 Pressure Hose Evaporator Line Hose 6910803

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Mercedes GLE W166 C292 Air Conditioning Pipe Refrigerant Hose A1668302001

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

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Air Conditioning Pipe Mercedes R231 M157 Refrigerant A/C Hose Line A2318300015

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Volkswagen Golf VII Air Conditioning Pipe Hose A/C Line 5Q0820743M

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Mercedes-Benz S-Class W221 A/C Air Conditioning Refrigerant Pipe A2218301817

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Mercedes W204 Air Conditioning Pipe Refrigerant Hose Line A/C A2048303216

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BMW X3 G01 X4 G02 Air Conditioning Pipe Refrigerant A/C Hose Line B58D 9868415

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Ford Ranger MK3 Air Conditioning Hose Pipe Line EB3B-19N602-HD

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Audi Q5 8R Water Heater Connecting Pipe Hose Line 8R0819334E

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Ford Transit Courier Heater Air Conditioning Pipe Hose Tube Line AV11-19N617-AB

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Ford Ranger MK3 Air Conditioning Hose Pipe Line EB3B-19C700-MB

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Suction Pipe BMW F10 F12 F03 Petrol N63 Air Conditioning Compressor Pipe 9119993

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BMW 5 6 Series E60 R61 E63 E64 Pressure Hose Assy 6761194

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Mercedes Sprinter W910 OM651 Air Conditioning Pipe Refrigerant Hose A9108300100

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BMW E90 E91 E92 F10 F20 F30 Pressure Pipe Hose Line N47N 7800590

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Citroen Relay III 35L Air Conditioning A/C Pipe Hose Line Diesel 46861282

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BMW Z4 Series E89 23i 30i N52N Evaporator Compressor Suction Pipe Hose 9224835

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Ford Transit Courier Air Con Conditioning Pipe Hose Tube Line ET71-19F618-HA

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BMW F40 F44 F45 Adapter Rear Compartment Footwell Air Duct 9350942

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BMW 5 7 Series F01 F01N F02 F02N F10 F10N F11 F11N LCI Pressure pipe 9190502

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BMW E46 M47N Intercooler Pipe Air Charge Line Intake Manifold 7786865

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Air Conditioning Dryer Mercedes W221 Air Con Drier Tank Pressure Sensor

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

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Audi A4 B7 High Pressure A/C Air Condition Line Tube Pipe Hose Line 8E0260707BH

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Land Rover Discovery Sport L550 Air Conditioning Pipes Hose Lines HJ32-19A834-AC

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Volkswagen Crafter MK2 Air Conditioning Hose A/C Pressure Pipe Line 7C0816721K

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Volkswagen Crafter MK2 Air Conditioning Hose A/C Pressure Pipe Line 7C0816744B

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Audi A4 S4 8W A5 S5 F5 Air Conditioning Coolant Line Hose Tube Pipe 8W0816721AS

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Mercedes Vito W447 Air Conditioning Condenser Compressor Pipe Line A4478307600

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Pressure Pipe BMW i3 I01 Rex Hybrid A/C Line Hose Air Conditioning 9331557

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Smart 453 Fortwo Air Conditioning Pipe Piping Hose Tube Line Set A4538300701

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BMW E60 E61 Steering Hose Dynamic Drive Power Expansion Line N52 Petrol 6767421

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

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BMW 7 Series E65 E66 730i M54 Suction Pipe Evaporator Compressor 8385261

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BMW i3 I01 Refrigerant Pipe Hybrid Engine Block Cooling System Hose 8544862

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Air Duct Mercedes W210 Channel Cabin Ventilation Rear Central A2108314446

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