What is the construction and purpose of cooling system hoses and pipes?

Cooling system hoses and pipes are coolant circuit elements installed between the engine, radiator, thermostat, heater core, and expansion tank. A typical hose consists of an inner layer resistant to fluid, a reinforcing layer, and an outer cover protecting against temperature and material aging. Depending on the mounting location, it can take the form of a flexible hose or a rigid plastic or metal section.

What are cooling system hoses and pipes used for?

Cooling system hoses and pipes are used to route coolant through the entire system and maintain the proper engine operating temperature. They are responsible for connecting subassemblies, circuit tightness, and the proper transfer of fluid to the radiator, heater core, and water pump. Their failure can cause leaks, air in the system, and disruption of fluid circulation.

What is the construction and function of a cooling system connector?

A cooling system connector is a connection point to which a hose or pipe transporting coolant is attached. It can be part of the thermostat housing, radiator, cylinder head, or another subassembly and usually works with a gasket, clamp, or quick-connector. Its task is to maintain a tight and stable connection in places where pressure and temperature changes occur.

How to choose cooling system hoses and pipes for a specific car version?

It is best to compare the OEM part number, hose path, end diameters, and type of connectors. It is also worth checking the engine version, fuel type, production year, mounting location, and any interchangeable numbers. For used parts, the completeness of brackets, vents, and branches also matters.

What symptoms indicate wear of cooling system hoses and pipes?

The most common signs are coolant leaks, traces of moisture at connections, swollen material, cracks, or a hose structure that is too soft. In practice, fluctuations in engine operating temperature, gurgling, and sediment traces near clamps may also appear. Such symptoms should be checked along with fluid levels and connection tightness.

How to care for cooling system hoses and pipes after installation?

After installation, it is worth checking the hose routing, tightening of clamps, and lack of contact with hot or moving engine compartment elements. It is also important to check the coolant level and system venting after the first start. Regular inspections help to quickly detect leaks, abrasions, and material deformation.

Cooling system hoses and lines

At Global Parts, we offer a wide selection of original used car parts, including cooling system hoses and lines for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. The cooling system hoses and lines we offer are quality-controlled, ensuring you receive a top-quality product.

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Mercedes Vito W639 OM646 Heat Exchanger Hose Water Coolant Pipe A6398322593

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8629960

Mini F55 F56 Petrol Turbo Charger Coolant Hose Oil Pipe Line 8629960

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8511205

BMW F20 F21 LCI F30 F31 Mini F55 F56 Coolant Hose Connector Flange Pipe 8511205

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. FPLA-8063-CB

Range Rover Sport L494 Engine Coolant Water Hose Pipe 3.0 Diesel FPLA-8063-CB

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LPLA-8D093-AB

Range Rover Discovery 5 L462 Coolant Hose Pipe 3.0 Hybrid LPLA-8D093-AB

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8602647

BMW G11 G12 G30 Cooling System Coolant Return Pipe Tube Hose Line 8602647

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2045010382-1

Coolant Hose Mercedes W204 W207 Petrol OM272 Left N/S Radiator Line A2045010382

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7848505

Coolant Hose BMW F80 M3 F82 M4 S55 Petrol Turbo Cooling Pipe Line 7848505

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0122063J

Audi TT 8J A3 8P Skoda Octavia II 2.0 TFSI Water Coolant Pipe Hose 1K0122063J

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9683027280

Peugeot 5008 2.0 HDI Diesel Water Hose Coolant Pipe Line 9683027280

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K0122101J

Audi A4 B8 A5 8T Heater Water Cooling Coolant Pipe Hose Line 3.0 TFSI 8K0122101G

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5Q0121049R

VW Golf 5G Mk7 Audi A3 8V Water Pipe Hose Line Coolant 1.2 TSI 5Q0121049R

€51.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4F0819378F

Audi A6 C6 2.0 TFSI Coolant Water Heater Pipe Hose Line 4F0819378F

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L122157BT

Audi A4 B9 A5 F5 Water Coolant Cooling Hose Pipe 2.0 TDI 04L122157BT

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2095013982

Mercedes A209 Expansion Tank Upper Coolant Hose Pipe Line M272 A2095013982

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 95510605000

Porsche Cayenne 9PA VW Touareg 7L Water Coolant Pipe Hose Petrol 022121085A

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8V61-18C553-HH

Ford Focus Mk3 1.5 TDCi Engine Coolant Pipe Water Hose Line 8V61-18C553-HH

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K0133889B

Audi RS4 B8 4.0 FSI CFSA Petrol Coolant Hose Upper Top Left O/S 8K0133889B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03L121049G

Volkswagen VW Crafter 2E Engine Water Coolant Pipe 2.0 TDI Diesel 03L121049G

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. FPLA-8D050-CC

Range Rover Sport L494 Water Coolant Hose Pipe 3.0 Diesel FPLA-8D050-CC

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1428849

BMW X5 Series E53 Radiator Coolant Vent Pipe Hose Petrol 1428849

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7H0121447D

Volkswagen Transporter T5 Coolant Radiator Hose Pipe Line 2.5 TDI 7H0121447D

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0122101KD

Volkswagen Audi Seat Skoda Radiator Water Hose Pipe Line 2.0 TDI 1K0122101KD

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0122101GQ-1

Audi A3 8P Water Coolant Pipe Hose Line 1.4 TFSI CAXC 1K0122101GQ

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6C0129637

Audi A1 8X 1.8 TFSI TSI Engine Water Coolant Pipe Hose Line Tube 6C0129637

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3C0122157DR

Volkswagen Passat CC Water Coolant Hose Pipe 3C0122157DR

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 80A121081ED

Audi Q5 FY Coolant Hose With Quick Release Coupling Engine Bay 80A121081ED

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8R0819334AE

Audi Q5 8R Engine Coolant Water Hose Pipe Line 2.0 Diesel 8R0819334AE

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6910758

BMW 5 6 Series E60 E61 E63 E64 Hose Water Valve Radiator 6910758

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2755552

Mini Clubman Cooper One D R55 R56 Radiator Coolant Hose Pipe 2755552

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8593773

BMW F20 LCI 114d 116d Water Hose Radiator Coolant Pipe Expansion Tank 8593773

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7811785-1

Mini R55 R56 R57 LCI N47N Cooper D Radiator Cooler Coolant Pipe Hose 7811785

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5WA121109D

Volkswagen Polo Mk6 AW Water Reservoir Coolant Pipe Hose Line 5WA121109D

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5Q0122101CE

Audi TTS FV Radiator Water Coolant Hose Pipe Tube Line Quick Release 5Q0122101CE

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5Q0122051BD

Seat Leon Mk3 5F Water Coolant Hose Pipe Line Petrol Engine CZEA 5Q0122051BD

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6910757

BMW 5 6 Series E60 E61 E63 E64 Engine Coolant Hose Pipe Water Valve Radiator

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2044661381

Water Pipe Mercedes W204 M271 Engine Cooling Radiator Coolant Hose A2044661381

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9674300080

Citroen Relay 35L 2.2HDI Fuel Injection Line Pressure Rail Injector 9674300080

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A6422001001

Mercedes W164 W204 W211 W221 OM642 Diesel Water Pump A6422001001

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1522435

Ford Focus Mk2 ST 2.5 Inlet Heater Pipe Hose Line 2.5 Duratec 3M5H-18C553-NH

€51.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8J0201216C

Audi TT 8J Water Coolant Hose Line Return Tube Pipe 8J0201216C

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2205010182

Mercedes W220 Radiator Coolant Hose Cooling Line Pipe A2205010182

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A4145010025

Mercedes Vaneo W414 Radiator Breather Pipe Hose A4145010025

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2754222

Mini Cooper R55 R56 R57 Cooling System Coolant Radiator Water Hose 2754222

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. BK31-8K012-AD

Ford Transit Mk8 Heater Matrix Pipe Hose Line 2.2 TDCi BK31-8K012-AD

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2532023

Ford Transit Custom Coolant Pipe Hose Line 2.0 EcoBlue Diesel KK21-8A365-BB

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 057121598L

Audi Q7 4L 4.2 TDI Alternator Turbo Coolant Pipe Hose Right O/S 057121598L

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3C0122073EJ

Volkswagen Passat CC Skoda Superb Water Coolant Hose Pipe 3C0122073EJ

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4K0145963C

Audi A6 C8 Water Coolant Pipe Hose Line 50 TFSIe 4K0145963C

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2795549

Mini R56 BMW X1 F48 Water Coolant Pipe 2.0 Diesel B47C20A Engine 2795549

Product currently unavailable

Part no. FK62-9F287-CA

Range Rover Sport L494 Engine Coolant Radiator Hose Pipe Line FK62-9F287-CA

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A6422030182

Mercedes W639 Water Line Fitting Hose Pipe A6422030182

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2712002452-2

Mercedes W204 Water Pump Hose Radiator Coolant Cooling Pipe Line A2712002452

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2662030882

Water Hose Mercedes W169 W245 M266 Coolant Cooling Pump Pipe Line A2662030882

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1778584

Ford Focus Mk3 Water Coolant Pipe Hose Line 1.6 TDCI CV61-8286-BB

€61.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1369690

Ford Focus ST Mk2 Engine Cooling Coolant Water Hose Pipe Line 3M5H-8274-EF

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A4155010282

Mercedes W415 Water Hose Coolant Cooling Pipe Line A4155010282

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7C0121082B

Volkswagen VW Crafter SY Engine Coolant Hose Line Radiator Pipe 7C0121082B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8580972

Water Hose BMW G20 G21 G30 G31 X3 G01 Diesel Cooling Coolant Pipe Line 8580972

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. HPLA-8C480-CB

Land Range Rover Evoque L538 Water Coolant Hose Tube Line Pipe HPLA-8C480-CB

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1715010282

Mercedes SLK R171 Water Hose Cooling Radiator Coolant Pipe A1715010282

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2602000051-1

Mercedes W177 Water Hose Coolant Cooling Pipe Line A2602000051

€66.95

Free delivery: Sep 11 – 15

If paid before 14:00

Part no. 1827185

Ford Fiesta MK7 1.6 TDCI Radiator Lower Hose Coolant Cooling Pipe Line 1827185

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5N0121070G

Volkswagen Tiguan 1 5N 2,0 TDi Diesel Coolant Pipe Water Line 5N0121070G

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 95510607001

Porsche Cayenne 9PA VW Touareg 7L Engine Coolant Pipe Hose 3.2 V6 7L0121070A

€170.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2712030382

Mercedes W205 Engine Water Coolant Pipe Hose M271 Petrol A2712030382

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4K0145947E

Audi A6 C8 A7 4G Water Coolant Pipe Hose Line 50 TFSIe 4K0145947E

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3Q0121070AG

Audi Q2 GA 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 3Q0121070AG

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4G0122449K

Audi A6 C7 A7 4G Water Coolant Pipe Hose Line 3.0 TDI 4G0122449K

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K1819376P

Audi A5 8T 2.0 TFSI Water Hose Cooling Coolant Radiator Pipe Line 8K1819376P

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7852352

Coolant Hose BMW F90 M5 F92 M8 Water Cooling Pipe Line 7852352

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A6395280982

Mercedes-Benz Vito Viano W639 Air Charge Intercooler Hose Pipe A6395280982

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8475730

BMW F45 F46 X1 F48 B47 Mini F56 Coolant Hose Water Pipe Line Tube Diesel 8475730

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 95510609602

Porsche Cayenne 9PA Engine Coolant Hose Line Pipe 95510609602

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. HPLA-8C481-AA

Range Rover Sport L494 Coolant Hose Pipe Line 3.0 Diesel Engine HPLA-8C481-AA

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A9065010182

Radiator Hose Mercedes Sprinter W906 Diesel Water Cooling Pipe A9065010182

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8363198

BMW 3 Series E46 Hose For Water Valve And Radiator Engine Cooling 8363198

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8W0819334G

Audi A4 S4 8W B9 A5 S5 F5 Heater Water Coolant Hose Pipe Line 8W0819334G

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5A02485

BMW G30 G11 G12 Radiator Expansion Tank Hose Pipe Line 5A02485

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2459845

Ford Transit Mk8 Water Coolant Pipe Hose Line 2.0 EcoBlue GK21-8260-BD

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8E0121107AG

Audi A4 B7 2.0 TDI Water Hose Vent Coolant Radiator Pipe Line 8E0121107AG

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9801444480

Peugeot Boxer Citroen Relay Mk3 Thermostat Coolant Pipe 2.0 2.2 HDi 9801444480

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K0819857B

Audi A5 8T Water Pipe Hose Line Engine Cooling Coolant Unit Hose 8K0819857B

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7P6121070BK-1

Porsche Cayenne 92A Oil Cooler Cooling Tube Pipe Hose Line Set 7P6121070BK

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5Q0121619D

Audi A3 8V Water Hose Cooling Coolant Radiator Pipe Line 5Q0121619D

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06M121071E

Audi SQ5 FY 3.0 TFSI Water Hose Cooling Radiator Coolant Pipe Line 06M121071E

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4K0145050C

Audi A6 C8 Engine Water Coolant Pipe Hose Line 50 TFSIe 4K0145050C

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8R0819332J

Audi Q5 8R 2.0 TDI Engine Water Coolant Pipe Hose Line Diesel 8R0819332J

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5A0C5A9

BMW U06 Active Tourer Water Coolant Pipe Hose Line 5A0C5A9

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7P0121156B

Porsche Cayenne 92A Water Coolant Pipe Hose Line 3.0 TFSI 7P0121156B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5Q0122101EA

Audi A3 8V Seat Leon 5F Water Coolant Hose Line Pipe 2.0 TFSI CJXH 5Q0122101EA

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L121058F

Audi A3 8V A4 B8 Coolant Water Hose Pipe Line 2.0 TDI 04L121058F

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A6512000051

Mercedes Vito W639 Diesel OM651 Coolant Pipe Water Pump Line A6512000051

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A6512000282

Water Hose Mercedes W176 W246 Diesel OM651 Cooling Coolant Pipe A6512000282

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06M121075L

Audi A4 B9 A5 S5 F5 Water Hose Cooling Radiator Coolant Pipe 3.0 TFSI 06M121075L

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1756703

Ford Focus Mk3 Water Coolant Radiator Pipe Hose Line CV61-8260-BB

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2762000156

Mercedes W212 M276 Coolant Fluid Inlet Connection Flange A2762000156

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A4535010124

Smart Fortwo A453 Radiator Coolant Hose Pipe Line Tube A4535010124

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8W0122448S

Audi A5 F5 Water Coolant Hose Line Pipe Tube 8W0122448S

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

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