Air conditioning hoses, pipes and connectors
More informationAt 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.
Make
Category
Subcategory
Condition
In Stock
Price

-5%
Part no. A2048300615
Mercedes W204 C200 C220 CDI Air Conditioning Pipe Line A2048300615
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2712300656
Mercedes C CLK W203 C209 Kompressor Air Conditioning Suction Pipe Line
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A1778305201
Mercedes W177 Air Con Refrigerant Pipe Conditioning Line Hose A/C A1778305201
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2138302902
Mercedes W213 Air Conditioning Refrigerant Line Pipe Hose A2138302902
Promo price
€47.95
€40.76
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A1698301815
Mercedes A Class W169 Air Conditioning Pressure Pipe Hose Line A1698301815
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2518300715
Air Conditioning Hose Mercedes W251 OM642 Refrigerant Compressor Pipe
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2468302415
Mercedes W176 A/C Air Conditioning Refrigerant Pipe Hose A2468302415
Promo price
€32.95
€28.01
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2712300556
Mercedes CLK W203 C209 Kompressor Air Conditioning Air Con Pipe Line A2712300556
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A1648302215
Mercedes ML W164 Air Conditioning Compressor Hose Pipe Line A1648302215
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A6462300356
Mercedes W203 OM646 Air Conditioning Air Con Pipe Hose Diesel A6462300356
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A1718300715
Mercedes SLK R171 Air Con Pipe Conditioning Line Hose A/C A1718300715
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-40%
Part no. A2048300600
Mercedes W204 Air Conditioning A/C C63 AMG Compressor Hose Pipe Line A2048300600
Promo price
€47.95
€28.77
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2058304502
Air Conditioning Pipe Mercedes W205 Expansion Valve Refrigerant Line A2058304502
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2128305415
Mercedes W212 Air Conditioning A/C Air Con Hose Pipe Line A2128305415
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-40%
Part no. A1718300915
Mercedes R171 Air Conditioning Pipe Compressor To Condenser A/C Line A1718300915
Promo price
€42.95
€25.77
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A6542000000
Air Conditioning Pipe Mercedes W213 Refrigerant A/C Hose Line OM654 A6542000000
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2038320425
Mercedes W203 Windshield Cowl Panel Air Duct Baffle A2038320425
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2048308215
Mercedes W204 Refrigerant Hose Pipe Air Conditioning Condenser Line A2048308215
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

Part no. A1718301215
Mercedes R171 Air Conditioning Compressor Air A/C Hose Pipe Line A1718301215
€56.95
Free delivery: Jul 15 – 17
If paid before 14:00

-40%
Part no. A1718301115
Mercedes R171 Air Conditioning Compressor Air A/C Hose Pipe Line A1718301115
Promo price
€56.95
€34.17
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2128309115
Mercedes W212 Air Conditioning Pipe Refrigerant Hose Line A/C A2128309115
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2138303804
A/C Line Mercedes W213 W238 Air Conditioning Pressure Pipe Hose A2138303804
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A1112303956
Mercedes R170 Air Conditioning Hose Pipe Suction Line A1112303956
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2218306516
Mercedes W221 Air Conditioning Coolant Suction Pipe Line Hose A2218306516
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

Part no. A2055062160
Mercedes W205 C350 A/C Engine Coolant Water Hose Pipe Line A2055062160
€51.95
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2138602401
A/C Line Mercedes W213 W238 Air Conditioning Pressure Pipe Hose A2138602401
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A1778305501
Mercedes W177 Air Con Refrigerant Pipe Conditioning Line Hose A/C A1778305501
Promo price
€32.95
€28.01
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2048304515
Mercedes W204 Air Conditioning Hose Pipe Line A2048304515
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A1778305801
Air Conditioning Pipe Mercedes W177 W247 Refrigerant Line Hose A/C A1778305801
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A9108300100
Mercedes Sprinter W910 OM651 Air Conditioning Pipe Refrigerant Hose A9108300100
Promo price
€37.95
€32.26
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2468303215
Mercedes W176 A/C Air Conditioning Refrigerant Pipe A2468303215
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2028300083
Mercedes-Benz C CLK W202 W208 Air Con Conditioning Dryer Drier Tank A2028300083
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2058304804
Mercedes W205 Air Conditioning Pipe Refrigerant Line Hose A2058304804
Promo price
€56.95
€48.41
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A1728302615
Mercedes SLK R172 Air Conditioning Pipe Refrigerant Hose Line A/C A1728302615
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2468300802
Mercedes W176 W246 Air Conditioning A/C Pipe Hose Refrigerant Line A2468300802
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2138301900
Mercedes W213 OM654 Refrigerant Pipe Air Con Conditioning Line A/C A2138301900
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2048302216
Refrigerant Hose Pipe Mercedes W204 W207 Air Con Condenser Line A2048302216
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A1668302501
A/C Pipe Mercedes GLE W166 C292 Air Conditioning Refrigerant Hose A1668302501
Promo price
€37.95
€32.26
Free delivery: Jul 15 – 17
If paid before 14:00

-40%
Part no. A2438306100
Mercedes EQA350 H243 Refrigerant A/C Evaporator Condenser Line A2438306100
Promo price
€42.95
€25.77
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A1668302001
Mercedes GLE W166 C292 Air Conditioning Pipe Refrigerant Hose A1668302001
Promo price
€37.95
€32.26
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A1718302615
Mercedes SLK R171 Air Conditioning A/C Pipe Hose Refrigerant Line A1718300615
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2218300283
Mercedes-Benz S-Class W221 Air Con Conditioning Dryer Drier Tank Pressure Sensor
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2048306415
Air Conditioning Pipe Mercedes W204 C207 Refrigerant A/C Hose Line A2048306415
Promo price
€32.95
€28.01
Free delivery: Jul 15 – 17
If paid before 14:00

Part no. A1698310097
Mercedes W169 W245 Hose Air Conditioning Fan Box A1698310097
€23.95
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2048302815
Air Conditioning Pipe Mercedes W204 W207 Refrigerant A/C Hose Line A2048302815
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2438306300
Air Conditioning Line Mercedes EQA H243 Refrigerant Evaporator Pipe A2438306300
Promo price
€32.95
€28.01
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2318300315
Mercedes R231 A/C Air Condition Compressor Hose Pipe Line Tube A2318300315
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

Part no. A1778309602
Mercedes W177 AC Air Conditioning Pipe Hose Tube Line A1778309602
€42.95
Free delivery: Jul 15 – 17
If paid before 14:00

Part no. A2058309800
Mercedes W205 Air Conditioning Pipe Refrigerant A/C Hose Line A2058309800
€28.95
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2058305702
Mercedes W205 Air Conditioning A/C Air Con Pipe Hose Line A2058305702
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2048322225
Mercedes W204 S204 W207 C207 Air Conditioning Hose Cabin Pipe Tube A2048322225
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2642009700
Mercedes W205 M264 Coolant Air Conditioning Pipe A/C Hose Line Tube A2642009700
Promo price
€32.95
€28.01
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2468305600
Mercedes W176 Air Conditioning Pipe Refrigerant Compressor Line A/C A2468305600
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A1668301115
Air Conditioning Pipe Mercedes W166 Refrigerant A/C Hose Line OM642 A1668301115
Promo price
€32.95
€28.01
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2058302900
Mercedes C205 OM651 Air Condition Pressure A/C Pipe Hose Line Tube A2058302900
Promo price
€47.95
€40.76
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2138305100
Air Conditioning Pipe Mercedes W213 S213 A/C Air Con Hose Line A2138305100
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A1668302301
Mercedes W166 OM651 Air Conditioning A/C Air Con Pipe Hose Line A1668302301
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2722300656
Mercedes W209 Petrol M272 Air Conditioning Pipe Refrigerant Line A/C A2722300656
Promo price
€32.95
€28.01
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2118304015
Air Conditioning Pipe Mercedes W211 W219 A/C Air Con Hose Line A2118304015
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2118309315
Air Conditioning Pipe Mercedes W211 W219 A/C Air Con Hose Line A2118309315
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A1778303302
Mercedes W177 Saloon Air Con Refrigerant Pipe Conditioning Line Hose A1778304801
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2058309700
Mercedes W205 Air Condition Conditioning A/C Air Con Pipe Hose Line A2058309700
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2128304515
Mercedes W212 Air Conditioning Pipe Refrigerant Hose Line A2128304515
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2048304615
Mercedes W204 C207 Air Conditioning Pipe Refrigerant A/C Hose Line A2048304615
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-40%
Part no. A2438306600
Air Conditioning Pipe Mercedes H243 Refrigerant A/C Hose Line A2438306600
Promo price
€75.95
€45.57
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A6398303015
Mercedes Vito Viano W639 Air Conditioning A/C Air Con Hose Pipe Line A6398303015
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

Part no. A2468300102
Mercedes W176 W246 Air Conditioning A/C Pipe Hose Refrigerant Line A2468300102
€28.95
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A6082000500
Heater Pipe Mercedes W177 OM608 Water Hose Coolant Pipe Line A6082000500
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-40%
Part no. A2128302615
Mercedes W212 M157 A/C Air Con Air Conditioning Pipe Hose Line A2128302615
Promo price
€66.95
€40.17
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2058307604
Mercedes W205 Air Conditioning Pipe A/C Coolant Hose Line A2058307604
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2058306501
Air Conditioning Hose Mercedes W205 Refrigerant A/C Compresor A2058306501
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A1112030282
Mercedes-Benz W202 W203 W210 M111 Radiator Coolant Hose Pipe Tube A1112030282
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2058304904
Air Conditioning Pipe Mercedes W205 W213 Refrigerant A/C Hose Line A2058304904
Promo price
€37.95
€32.26
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2468300902
Mercedes W176 A/C Air Contitioning Pipe Hose Line Tube A2468300902
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2058309600
Mercedes W205 Air Condition Conditioning A/C Air Con Pipe Hose Line A2058309600
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2058306201
Mercedes W205 Air Conditioning Pipe Refrigerant A/C Hose Line A2058306201
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2118310545
Mercedes W211 CLS C219 Air Duct Vent Channel Rear Left Right N/O/S A2118310545
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-40%
Part no. A2538301200
Mercedes GLC C253 X253 M274 Air Conditioning Pipe Compressor Hose A2538301200
Promo price
€51.95
€31.17
Free delivery: Jul 15 – 17
If paid before 14:00

Part no. A1768302300
Mercedes W176 A/C Air Conditioning Pipe Hose 2.0 Petrol A1768302300
€70.95
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A1775014400
Coolant Hose Mercedes C118 W177 W247 Radiator Cooling Pipe Line A1775014400
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2058305301
Mercedes W205 Air Con Pipe Conditioning Line Hose A/C A2058305301
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

Part no. A1132301256
Mercedes W220 Air Conditioning Pipe Hose Tube Line A1132301256
€32.95
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2048309815
Mercedes W204 Air Conditioning Compressor Refrigerant Hose Line A/C A2048309815
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2048306315
Mercedes W204 Air Conditioning Compressor Refrigerant Hose Line A/C A2048306315
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A9068308600
Mercedes Sprinter W906 Air Conditioning A/C Air Con Hose Pipe Line A9068308600
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2128302400
Refrigerant Line Mercedes W212 Air conditioning A/C Compressor Pipe A2128302400
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2108310346
Air Duct Mercedes W210 Channel Cabin Ventilation Rear Air Duct A2108310346
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A1668301415
Mercedes W166 Petrol A/C Air Condition Climate Line Hose Pipe Tube A1668301415
Promo price
€42.95
€36.51
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2468300402
Air Conditioning Pipe Mercedes X157 W176 W246 A/C Coolant Hose Line A2468300402
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2048306115
Mercedes W204 M271 Petrol Air Conditioning Pipe Compressor Pipe A2048306115
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

Part no. A2058305404
Mercedes W205 Air Conditioning A/C Pipe Hose Line A2058305404
€37.95
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2128306200
Mercedes W212 Refrigerant Line Air Conditioning Pipe Line Tube A2128306200
Promo price
€42.95
€36.51
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2468303415
Air Conditioning Pipe Mercedes W176 W246 Refrigerant Hose Line A/C A2468303415
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

Part no. A2468303515
Mercedes C117 X156 W176 Refrigerant Pipe Air Conditioning Line Hose A2468303515
€42.95
Free delivery: Jul 15 – 17
If paid before 14:00

-40%
Part no. A2218309015
Mercedes CL C216 W221 Air Conditioning A/C Pipe Hose Line A2218309015
Promo price
€66.95
€40.17
Free delivery: Jul 15 – 17
If paid before 14:00

-40%
Part no. A2218309516
Mercedes CL C216 W221 Air Conditioning A/C Pipe Hose Line A2218309516
Promo price
€47.95
€28.77
Free delivery: Jul 15 – 17
If paid before 14:00

-5%
Part no. A2128302516-1
Mercedes W212 Refrigerant Hose Pipe Air Conditioning Condenser Line A2128302516
Promo price
€23.95
€22.75
Free delivery: Jul 15 – 17
If paid before 14:00

-15%
Part no. A2078301015
Mercedes W204 C207 A/C Air Con Air Conditioning Pipe Hose Line M272 A2078301015
Promo price
€28.95
€24.61
Free delivery: Jul 15 – 17
If paid before 14:00

-40%
Part no. A2138301602
Mercedes W213 C238 Coolant Air Conditioning Pipe A/C Hose Line Tube A2138301602
Promo price
€42.95
€25.77
Free delivery: Jul 15 – 17
If paid before 14:00

AC hoses and connectors – reliable parts for car cooling systems
High-quality air conditioning components – durability and compatibility with various models
Air conditioning lines, hoses, and connectors are components that play a key role in the proper functioning of the air conditioning system. They are responsible for the airtight and efficient transfer of refrigerant between the compressor, condenser, evaporator, and other system components. Their high quality and technical condition are essential for the reliable operation of the air conditioning. In the Global Parts automotive store, we offer a wide selection of used car parts, including air conditioning lines, hoses, and connectors, perfectly matched to brands such as BMW, Audi, Mercedes, Volkswagen, Mini, and many others.
How do air conditioning lines, hoses, and connectors work in the system?
Air conditioning lines, hoses, and connectors are responsible for the airtight transfer of refrigerant and lubricating oil between individual system components. Each of these elements has its own unique task:
- High-pressure lines – transport refrigerant under high pressure from the compressor to the condenser.
- Low-pressure hoses – carry refrigerant from the evaporator to the compressor after cooling.
- Connectors – ensure airtight and stable connections between lines and other system components.
- Seals and O-rings – protect against refrigerant leaks, ensuring the tightness of the entire system. Each of these elements must be made of materials resistant to high pressure, temperature, and the chemical properties of the refrigerant.
Construction and purpose of air conditioning lines, hoses, and connectors
Air conditioning lines, hoses, and connectors are a set of working connections that link the compressor, condenser, evaporator, and receiver-drier into one airtight circuit. These elements are mounted mainly in the engine compartment, near the bulkhead, and in the area of the air conditioning radiator, and their routing depends on the engine version and body type. A typical line may have an aluminum tube, a flexible rubber section, crimped ends, and mounting points to the body. In products from this category, it is worth checking the brand marking, condition, OEM part number, interchangeable numbers, fuel type, and location on the vehicle.
Definitions and parameters
Air conditioning lines differ in diameter, pressure resistance, and type of ends. Connectors most often use SAE standards or quick-connectors characteristic of a given brand, which affects compatibility with the compressor and condenser. In practice, this means that a line for one BMW model will not fit an Audi car, despite similar engine capacity and comparable air conditioning performance.
Differences between types of lines and connectors
The high-pressure line is used to transport compressed refrigerant from the compressor outlet to other system elements and usually has a stiffer construction and stronger ends. The low-pressure hose is responsible for the return of the refrigerant on the suction side and more often operates as a more flexible section. An air conditioning connector refers to the connection point of two circuit elements, where the thread type, seal profile, and socket compatibility are crucial. In practice, when repairing the system, it is worth checking the condition of air conditioning compressors and clutches simultaneously, as damage to one sub-assembly often affects the operation of the others.
Comparison of air conditioning line variants
| Element type | Application | Construction | What to check before purchase |
|---|---|---|---|
| High-pressure line | Connection of the compressor with the condenser or further section of the system | Usually an aluminum tube with a flexible section and crimped ends | OEM number, line shape, end type, mounting points |
| Low-pressure line | Return of refrigerant from the evaporator to the compressor | Greater flexibility, different operating profile and different ends than on the high-pressure side | Location on the vehicle, diameter, presence of covers and brackets |
| Connector and fitting | Airtight connection of the line with the air conditioning component | Metal socket or end working with a seal or O-ring | Seal type, thread or quick-connector, socket compatibility |
| Line with sensor or additional outlet | Support for advanced air conditioning system versions | Extended construction with space for a sensor, valve, or additional section | Car equipment, engine version, presence of additional connections |
Why is it worth taking care of air conditioning lines, hoses, and connectors?
The tightness and efficiency of lines, hoses, and connectors in the air conditioning system are the basis for the reliable operation of the entire system. Their damage or wear can lead to:
- Loss of refrigerant, which reduces cooling efficiency.
- Pressure drop in the system, which can damage the compressor.
- Corrosion due to refrigerant leaks and moisture. At Global Parts, we offer used car parts that help maintain the full efficiency of the air conditioning system.
The importance of tightness and cooperation with other system elements
The tightness of the air conditioning system serves to maintain the proper circulation of the refrigerant and stable operation of the compressor. Even a small leak at the connection of a line and connector can cause a drop in cooling performance, traces of oil at the ends, and overloading of components. When choosing an element such as a BMW E90 air conditioning line, it is worth comparing the OEM number, tube routing, type of ends, and compatibility with the engine version. During broader diagnostics, it is also useful to check the condition of condensers (radiators) and receiver-drier filters and accumulators.
How to choose the right air conditioning lines, hoses, and connectors?
When choosing air conditioning lines, hoses, and connectors, you should pay attention to several key aspects:
- Matching the vehicle model – every car brand and model has specific requirements regarding the air conditioning system. At Global Parts, you will find air conditioning lines, hoses, and connectors perfectly matched to BMW, Audi, Mercedes, Volkswagen, Mini, and many others.
- Technical condition – ensure that the lines and hoses are free from cracks, corrosion, and leaks.
- Type of connectors – choose connectors compatible with your vehicle's air conditioning system to ensure the tightness and stability of the connections.
Selecting parts by OEM number and vehicle version
The selection of an air conditioning line or connector is best based on the OEM number, interchangeable numbers, and comparing the element's routing with a photo of the part. In practice, the fuel type, engine version, mounting side, and the presence of additional brackets or connections for a sensor also count. If a sub-assembly such as a BMW E90 air conditioning line is sought, you must check not only the shape itself but also how the line is routed in the engine compartment. Additional support when completing the system can be provided by pressure switches when the diagnosis also includes controlling the air conditioning operation.
Why is it worth choosing used air conditioning lines, hoses, and connectors?
Purchasing used car parts is a solution that allows you to combine high quality with savings. By choosing used lines, hoses, and connectors, you gain:
- Lower costs – used parts are cheaper than new ones, and when selected correctly, they perform their function well.
- Ecology – you support recycling and reduce the amount of automotive waste.
- Wide offer – in our store, you will find elements for many car brands, which makes it easier to match them to your vehicle. For those who are also completing other elements of the interior cooling system, we also recommend supplementary material: Used parts for Mercedes - original parts from dismantling.
How to take care of air conditioning lines, hoses, and connectors?
To ensure that lines, hoses, and connectors work efficiently for a long time, it is worth following a few rules:
- Regularly check the visual condition of the lines and hoses, looking for signs of wear such as cracks or leaks.
- Replace seals and O-rings during every repair or service of the air conditioning system.
- Keep the system clean to avoid contamination that can lead to damage or leaks. In case of failure or the need for replacement, properly selected elements help restore the full functionality of the air conditioning system.
FAQ
| Question | Answer |
|---|---|
| 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. |
Summary: air conditioning lines, hoses, and connectors at the Global Parts automotive store
Air conditioning lines, hoses, and connectors are responsible for tightness, proper refrigerant flow, and stable operation of the entire vehicle interior cooling system. In the Global Parts offer, you will find elements matched to cars of brands such as BMW, Mercedes, Audi, and others, with the possibility of verification by OEM number, car version, and mounting location. This is a practical choice for those who are completing an air conditioning system with consideration for part compatibility and the actual vehicle specification. We invite you to contact us – we are here to help you! For more information and interesting facts, we also invite you to our automotive blog.