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

Find it faster

Match to your vehicle

Make

Mercedes W203 AMG Air Conditioning A/C Pipe Hose Refrigerant Line A1132301856

Product currently unavailable

Part no. A2218309516

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

Product currently unavailable

Part no. A6462300456

Air Conditioning Pipe Mercedes CL203 W209 A/C Hose Refrigerant Line A6462300456

Product currently unavailable

Part no. A2138307904

Air Conditioning Mercedes W213 Compressor Condenser Refrigerant Hose A2138307904

Product currently unavailable

Part no. A1122303856

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

Product currently unavailable

Part no. A2208300115

Mercedes-Benz CL S Class W220 C215 Air Conditioning Pressure Pipe Hose

Product currently unavailable

Part no. A2518311345

Mercedes W251 Air Duct Channel Cabin Front Centre Tube A2518311345

Product currently unavailable

Part no. A1122301956

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

Product currently unavailable

Part no. A2468300215

Mercedes W246 M651 Air Conditioning Pipe Compressor Pipe A2468300215

Product currently unavailable

Part no. A6398300015

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

Product currently unavailable

Part no. A1122301756

Compressor Hose Mercedes W163 W639 W220 Air Conditioning Pipe A1122301756

Product currently unavailable

Part no. A2138302202

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

Product currently unavailable

Part no. A1648300415

Mercedes ML W164 GL X164 Air Conditioning Compressor Condenser Pipe Line

Product currently unavailable

Part no. A2048304715

Air Conditioning Pipe Mercedes W204 W212 Refrigerant A/C Hose Line A2048304715

Product currently unavailable

Part no. A6398306415

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398306415

Product currently unavailable

Part no. A1688302415

Mercedes A W168 Air Conditioning Compressor Condenser Pipe Line A1688302415

Product currently unavailable

Part no. A2058311145

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

Product currently unavailable

Part no. A1112303956

Mercedes R170 Air Conditioning Hose Pipe Suction Line A1112303956

Product currently unavailable

Part no. A1122301356

Mercedes-Benz W202 W208 M112 Petrol Air Condition Suction Hose Pipe A1122301356

Product currently unavailable

Part no. A2108310146

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

Product currently unavailable

Part no. A9108300000

Mercedes Sprinter W910 Air Conditioning Pipe Refrigerant Hose Line A9108300000

Product currently unavailable

Part no. A1638300083

Mercedes-Benz M-Class ML W163 Air Con Conditioning Dryer Drier Pump A1638300083

Product currently unavailable

Part no. A2468302115

Air Conditioning Pipe Mercedes W176 Refrigerant Line Compressor Hose A2468302115

Product currently unavailable

Part no. A1778305801

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

Product currently unavailable

Part no. A1778684200

Mercedes W177 M260 Windshield Washer Pipe Refrigerant Hose Line A1778684200

Product currently unavailable

Part no. A1635001372

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

Product currently unavailable

Part no. A4478307600

Mercedes Vito W447 Air Conditioning Condenser Compressor Pipe Line A4478307600

Product currently unavailable

Part no. A2518301115

Mercedes W251 Air Conditioning Hose Pipe A2518301115

Product currently unavailable

Part no. A1112306056

Mercedes W210 E200 Petrol M111 Air Conditioning Compressor Hose A1112306056

Product currently unavailable

Part no. A2048301216

Refrigerant Hose Pipe Mercedes W204 W212 Air Con Condenser Line A2048301216

Product currently unavailable

Part no. A2138307200

Mercedes W213 Air Conditioning Hose Pipe A2138307200

Product currently unavailable

Part no. A2048300715

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

Product currently unavailable

Part no. A2038304796

Mercedes Benz W203 Cooling Coolant Water Hose A2038304796

Product currently unavailable

Part no. lhd-A2218300116

Mercedes CL C216 S W221 Air Conditioning Pipe Refrigerant Hose A2218300116

Product currently unavailable

Part no. A2108327194

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

Product currently unavailable

Part no. A1718301115

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

Product currently unavailable

Part no. A1668300200

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

Product currently unavailable

Part no. A6398312045

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

Product currently unavailable

Part no. rhd-A1635003072

Mercedes W163 270 CDI Air Con Conditioning Cooler Condenser Pipe Hose

Product currently unavailable

Part no. A6398300115

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398300115

Product currently unavailable

Part no. A2468303815

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

Product currently unavailable

Part no. A6398303700

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

Product currently unavailable

Part no. 3C0820721R

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

Product currently unavailable

Part no. A2722300756

Air Conditioning Pipe Mercedes W203 W209 M272 Petrol Compressor Pipe A2722300756

Product currently unavailable

Part no. A1122303256

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

Product currently unavailable

Part no. A6460700532

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

Product currently unavailable

Part no. A2118303515

Mercedes W211 A/C Air Condition Line Tube Pipe Hose A2118303515

Product currently unavailable

Part no. A2138301201

Air Conditioning Pipe Mercedes W213 GLC X253 Refrigerant A/C Hose A2138301201

Product currently unavailable

Part no. A6398301715

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

Product currently unavailable

Showing 199-247 of 247 products