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 W212 Refrigerant Line Air Conditioning Pipe Line Tube A2128306200

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Mercedes EQA350 H243 Refrigerant A/C Evaporator Condenser Line A2438306100

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Mercedes W163 A/C Air Con Air Conditioning Pipe Hose Line Tube A1638300316

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Mercedes W204 C207 A/C Air Con Air Conditioning Pipe Hose Line M272 A2078301015

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Mercedes Vaneo W414 A/C Air Con Conditioning Dryer Drier Pump A4148300058

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Mercedes C207 M272 Petrol A/C Air Condition Hose Line Tube Pipe A2048301215

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

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Air Conditioning Line Mercedes EQA H243 Refrigerant Evaporator Pipe A2438306300

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

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

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Mercedes Vito W639 Heater Water Hose Pipe Line Diesel Engine A6398329223

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Mercedes Vito W639 Heater Water Hose Pipe Line Diesel Engine A6398329223

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Air Con Mercedes W213 Refrigerant Hose Compressor To Condenser A2138308604

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Air Conditioning Pipe Mercedes W213 Compresor Refrigerant A/C Line A2138301902

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

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A/C Pipe Mercedes GLE W166 C292 Air Conditioning Refrigerant Hose A1668302501

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Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398309115

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Mercedes ML W163 270 CDI Air Con Compressor Pressure Line Hose Pipe A1635001372

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Mercedes C205 OM651 Air Condition Pressure A/C Pipe Hose Line Tube A2058302900

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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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Mercedes Vito Viano W639 Air Conditioning Air Duct Channel Tube Rear A6398312045

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

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

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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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Mercedes Sprinter W910 OM651 Air Conditioning Pipe Refrigerant Hose A9108300100

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Air Duct Mercedes W205 W213 C238 Channel Cabin Front Right O/S A2058319800

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Air Duct Mercedes W205 W213 C238 Channel Cabin Front Right O/S A2058319800

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Mercedes-Benz C CLK W202 A208 C208 W208 Air Conditioning Pipe Line A2028304815

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Air Conditioning Pipe Mercedes H243 Refrigerant A/C Hose Line A2438306600

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Refrigerant Hose Pipe Mercedes W212 Air Con Condenser Line A2128304215

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Mercedes-Benz W202 W203 W210 M111 Radiator Coolant Hose Pipe Tube A1112030282

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Mercedes W447 OM654 Air Conditioning A/C Pipe Hose Refrigerant Line A4478307700

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Mercedes W204 C207 Front A/C Air Conditioning Hose Pipe Bracket A2049980201

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

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Air Conditioning Pipe Mercedes W166 C292 Refrigerant A/C Hose Line A1668300200

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Air Conditioning Dryer Mercedes W221 Air Con Drier Tank Pressure Sensor

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Mercedes Sprinter W910 Air Conditioning Pipe Refrigerant Hose Line A9108300000

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Mercedes Vito W447 Air Conditioning Condenser Compressor Pipe Line A4478307600

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A/C Line Mercedes W213 W238 Air Conditioning Pressure Pipe Hose A2138303804

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Air Duct Mercedes W210 Channel Cabin Ventilation Rear Central A2108314446

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

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Mercedes W168 Dashboard Dash Center Air Vent Grill Nozzle A1688300054

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Mercedes E-Class W212 Air Conditioning A/C AirCon Cutoff Valve A2128300684

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Refrigerant Hose Pipe Mercedes W204 W212 Air Con Condenser Line A2048301216

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Refrigerant Line Mercedes W204 Air Conditioning Compressor Hose A2048303115

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Mercedes W205 C350 A/C Engine Coolant Water Hose Pipe Line A2055062160

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