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 W213 Air Conditioning Refrigerant Line Pipe Hose A2138302902

€47.95

Part no. A2028300083

Mercedes-Benz C CLK W202 W208 Air Con Conditioning Dryer Drier Tank A2028300083

€23.95

Part no. A2128302615

Mercedes W212 M157 A/C Air Con Air Conditioning Pipe Hose Line A2128302615

€66.95

Part no. A1668301415

Mercedes W166 Petrol A/C Air Condition Climate Line Hose Pipe Tube A1668301415

€42.95

Part no. A2128309515

Air Conditioning Pipe Mercedes W212 W218 Refrigerant Hose Line A/C A2128309515

€32.95

Part no. A2058309800

Mercedes W205 Air Conditioning Pipe Refrigerant A/C Hose Line A2058309800

€23.95

Part no. A1668301115

Air Conditioning Pipe Mercedes W166 Refrigerant A/C Hose Line OM642 A1668301115

€32.95

Part no. A1668302501

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

€37.95

Part no. A2048303315

Mercedes-Benz C-Class W204 Air Conditioning Hose Pipe Line A2048303315

€23.95

Part no. A1768302300

Mercedes W176 A/C Air Conditioning Pipe Hose 2.0 Petrol A1768302300

€66.95

Part no. A2038320425

Mercedes W203 Windshield Cowl Panel Air Duct Baffle A2038320425

€23.95

Part no. A2048300600

Mercedes W204 Air Conditioning A/C C63 AMG Compressor Hose Pipe Line A2048300600

€47.95

Part no. A1668302001

Mercedes GLE W166 C292 Air Conditioning Pipe Refrigerant Hose A1668302001

€37.95

Part no. A2642009700

Mercedes W205 M264 Coolant Air Conditioning Pipe A/C Hose Line Tube A2642009700

€32.95

Part no. A1132301256

Mercedes W220 Air Conditioning Pipe Hose Tube Line A1132301256

€32.95

Part no. A1768302500

Mercedes W176 W246 C117 X156 Air Conditioning Pipe A/C Hose A1768302500

€47.95

Part no. A2058300077

Mercedes S205 Air Conditioning Refrigerant Line Tube Hose Pipe A2058300077

€32.95

Part no. A2048304515

Mercedes W204 Air Conditioning Hose Pipe Line A2048304515

€23.95

Part no. A2208320214

Mercedes R171 C215 W220 A/C Air Con Air Conditioning Pipe Line Hose A2208320214

€47.95

Part no. A2078303915

Mercedes W207 W212 M276 A/C Air Con Conditioning Hose Pipe Line A2078303915

€51.95

Part no. A2438306100

Mercedes EQA350 H243 Refrigerant A/C Evaporator Condenser Line A2438306100

€42.95

Part no. A2058302900

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

€47.95

Part no. A1668302301

Mercedes W166 OM651 Air Conditioning A/C Air Con Pipe Hose Line A1668302301

€28.95

Part no. A0008321500

Mercedes W907 W910 Heater Pipe Air Conditioner Hose Line A0008321500

€23.95

Part no. A2218309015

Mercedes CL C216 W221 Air Conditioning A/C Pipe Hose Line A2218309015

€66.95

Part no. A2128306200

Mercedes W212 Refrigerant Line Air Conditioning Pipe Line Tube A2128306200

€42.95

Part no. 3C0820721R

Volkswagen Passat B7 Air Conditioning A/C Pipe Hose Refrigerant Line 3C0820721R

€23.95

Part no. A2438306300

Air Conditioning Line Mercedes EQA H243 Refrigerant Evaporator Pipe A2438306300

€32.95

Part no. A1648302215

Mercedes ML W164 Air Conditioning Compressor Hose Pipe Line A1648302215

€23.95

Part no. A2468301102

Air Conditioning Pipe Mercedes X156 W176 W246 A/C Coolant Hose Line A2468301102

€23.95

Part no. A2468300802

Mercedes W176 W246 Air Conditioning A/C Pipe Hose Refrigerant Line A2468300802

€23.95

Part no. A1728303415

Mercedes R172 Air Conditioning Pipe A/C Coolant Hose Line A1728303415

€32.95

Part no. A2048306315

Mercedes W204 Air Conditioning Compressor Refrigerant Hose Line A/C A2048306315

€23.95

Part no. A2078301015

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

€28.95

Part no. A1638300316

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

€28.95

Part no. A1112030282

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

€23.95

Part no. A2058319800

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

€23.95

Part no. A2138301602

Mercedes W213 C238 Coolant Air Conditioning Pipe A/C Hose Line Tube A2138301602

€42.95

Part no. A6542000000

Air Conditioning Pipe Mercedes W213 Refrigerant A/C Hose Line OM654 A6542000000

€23.95

Part no. A9108303201-1

Mercedes Sprinter W910 Front Air Vent Grill A9108303201

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Part no. A6510706381

Fuel Feed Lines Mercedes W204 OM651 Injector Tank Fuel Pipes Diesel A6510706381

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Part no. A6398300816

Mercedes Vito W639 Air Conditioning A/C Air Con Condenser Hose Pipe A6398300816

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Part no. A1778305201

Mercedes W177 Air Con Refrigerant Pipe Conditioning Line Hose A/C A1778305201

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Part no. A6398300015

Mercedes Viano Vito W639 Air Con A/C Pipe Conditioning Hose Line A6398300015

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Part no. A0001591904

Mercedes C E Class W203 W211 OM646 Water Coolant Heater Module A0001591904

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Part no. A1778303302

Mercedes W177 Saloon Air Con Refrigerant Pipe Conditioning Line Hose A1778304801

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Part no. A2712300556-1

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

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Part no. A2468303115

Mercedes W176 W246 Air Conditioning A/C Radiator Pipe Diesel A2468303115

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Part no. A6398300115

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398300115

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Part no. A1648300415

Mercedes ML W164 GL X164 Air Conditioning Compressor Condenser Pipe Line

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Part no. A1698301715

Pressure Pipe Mercedes W169 Air Conditioning Hose Line A1698301715

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Part no. A6398307115

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398307115

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Part no. A2078303015

Mercedes W212 Air Conditioning Pipe A/C AC Hose Line A2078303015

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Part no. A2138302202

Air Conditioning Pipe Mercedes W213 GLC X253 Refrigerant A/C Hose A2138302202

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Part no. A2468303815

Mercedes W176 Air Conditioning Pipe Refrigerant Compressor Line A/C A2468303815

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Part no. A9068306415

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

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Part no. A2722300556

Mercedes C209 CL203 Refrigerant Line Compressor To Condenser M272 A2722300556

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Part no. A1122303856

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

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Part no. A1718302615

Mercedes SLK R171 Air Conditioning A/C Pipe Hose Refrigerant Line A1718300615

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Part no. A1122301956

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

Product currently unavailable

Part no. A2138307904

Air Conditioning Mercedes W213 Compressor Condenser Refrigerant Hose A2138307904

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Part no. A6460700532

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

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Part no. A2128308115

Mercedes W204 Air Conditioning Pipe Refrigerant Line Hose A/C A2128308115

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Part no. A6132300156

Mercedes S W220 S 320 CDI Air Conditioning Air Con Pipe Hose A6132300156

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Part no. A2468302015

Mercedes W176 W246 Air Conditioning A/C Pipe Hose Refrigerant Line A2468302015

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Part no. A4478307600

Mercedes Vito W447 Air Conditioning Condenser Compressor Pipe Line A4478307600

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Part no. A9108300000

Mercedes Sprinter W910 Air Conditioning Pipe Refrigerant Hose Line A9108300000

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Part no. A2712300756

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

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Part no. A2138307200

Mercedes W213 Air Conditioning Hose Pipe A2138307200

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Part no. A6112300115

Mercedes W203 W211 Power Steering Pump Pulley Diesel A6112300115

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Part no. A2108327194

Mercedes-Benz E-Class W210 320 CDI Secondary Water Pump Hose Line A2108327194

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Part no. A2058311145

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

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Part no. A2518301115

Mercedes W251 Air Conditioning Hose Pipe A2518301115

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Part no. A2468301302

Mercedes W176 Diesel Air Con Compressor Condenser Pipe Line A2468301302

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Part no. A2468301202

Air Conditioning Pipe Mercedes X156 W176CW246 A/C Coolant Hose Line A2468301202

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Part no. A2468300902

Mercedes W176 A/C Air Contitioning Pipe Hose Line Tube A2468300902

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Part no. A1778309602

Mercedes W177 AC Air Conditioning Pipe Hose Tube Line A1778309602

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Part no. A2108310146

Air Duct Mercedes W210 Channel Cabin Ventilation Front Left N/S A2108310146

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Part no. A1778305801

Air Conditioning Pipe Mercedes W177 W247 Refrigerant Line Hose A/C A1778305801

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Part no. A2058305301

Mercedes W205 Air Con Pipe Conditioning Line Hose A/C A2058305301

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Part no. A2048301216

Refrigerant Hose Pipe Mercedes W204 W212 Air Con Condenser Line A2048301216

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Part no. A6398309115

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398309115

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Part no. A6398300215-1

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398300215

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Part no. A6132300456

Mercedes-Benz S-Class W220 320 CDI Air Conditioning Con Pipe Hose A6132300456

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Part no. A1718301115

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

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Part no. A6398303800

Refrigerant Hose Pipe Mercedes Vito W639 Air Conditioning Condenser A6398303800

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Part no. A1112303956

Mercedes R170 Air Conditioning Hose Pipe Suction Line A1112303956

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Part no. A6398301715

Mercedes Vito W639 Air Conditioning Suction Hose A/C Compressor Pipe A6398301715

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Part no. A2218309516

Mercedes CL C216 W221 Air Conditioning A/C Pipe Hose Line A2218309516

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Part no. A6398312045

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

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Part no. A6398303700

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

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Part no. A1112306756

Mercedes-Benz C-Class W203 Air Conditioning Air Con Pipe Hose A1112306756

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Part no. A6398329223

Mercedes Vito W639 Heater Water Hose Pipe Line Diesel Engine A6398329223

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Part no. A2118300615

Mercedes-Benz E CSL Class S211 W211 W219 Air Conditioning Hose Pipe A2118300615

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Part no. A1688300858

Mercedes-Benz A-Classe W168 Air Con Conditioning Dryer Drier Pump A1688300858

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Part no. A6112300656

Mercedes-Benz C-Class W203 OM611 Diesel Air Conditioning Pipe Line A6112300656

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Part no. A2048305316

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

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Part no. A2058304805

Mercedes W205 Air Conditioning Pipe A/C Hose Line A2058304805

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Part no. A2218301316

Mercedes W221 Air Conditioning Coolant Suction Pipe Line Hose A2218301316

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