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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Audi A4 B8 2.0 TDI CAGA Radiator Water Coolant Pipe Hose Tube Line 8K0121081P

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8580491

Hose Pipe BMW F40 B47B Mini F56 B47D Line Connection Radiator Coolant 8580491

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7827842

BMW F10 X5 F15 X6 F16 Coolant Hose Cooling Pipe Water Line 7827842

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8381224

Hose Pipe BMW X5 E53 3.0d M57N Engine Inlet Heater Coolant Auxiliary 8381224

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7800408

BMW 3 5 Series E90 E91 LCI E60 Oil Filter Cooler Connection 7800408

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7534918

Radiator Supply Hose BMW E60 E61 N62N Petrol Cooling Pipe Line 7534918

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K0819334Q

Audi A5 S5 8T Coolant Water Hose Line Tube Pipe 3.0 TFSI 8K0819334Q

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5Q0122051AT

Volkswagen Golf 5G Water Hose Radiator Coolant Pipe Line 5Q0122051AT

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A9065011482

Mercedes Sprinter W906 Water Hose Cooling Radiator Coolant Pipe Hose A9065011482

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8583477

Water Hose BMW F30 F31 335dX F32 F36 435dX N57Z Coolant Pipe Line Set 8583477

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7541992

BMW 1 3 Series E82 E90 E91 E92 E93 N54 Cylinder Head Thermostat Hose 7541992

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6R0121157

Volkswagen Polo 6R Water Hose Radiator Coolant Pipe Line 6R0121157

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7617380

Mini F55 F56 Cooper S Water Hose Coolant Pump Cooling Pipe Hose 7617380

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. GK21-8260-BC

Ford Transit Custom Mk8 Radiator Water Coolant Pipe Hose Line GK21-8260-BC

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5Q0122101GH

Audi A3 8V 35 TDI DFGA Water Coolant Hose Line Pipe Tube 5Q0122101GH

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9208179

BMW 1 3 Series F20 F30 Hose Radiator And Water Valve 9208179

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7L6121109D

VW Volkswagen Touareg 7L Water Pipe Hose Coolant Cooling Line 7L6121109D

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A6262030282

Mercedes W205 OM626 Water Hose Radiator Coolant Cooling Pipe Line A6262030282

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7L8121058A

Audi Q7 4L 4.2 TDI Coolant Hose Radiator Pipe Water Cooling Line 7L8121058A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2284283

Vent Pipe BMW F10 M5 F12 F13 M6 Cooling Line Water Hose Radiator Cooler 2284283

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 05C133352AF

VW Volkswagen Golf 8 CD1 1.0 TSI DLAA Oil Breather Pipe 05C133352AF

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8514244

Coolant Hose BMW F10 F11 520d N47N Radiator Water Cooling Pipe Line 8514244

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K0819374S

Audi A4 B8 A5 8T 2.0 TDI Heater Valve Coolant Pipe Hose 8K0819374S

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2045010782

Water Pipe Mercedes W204 OM642 Engine Cooling Radiator Coolant Hose A2045010782

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L121064G

Volkswagen VW Golf Mk7 5G Water Hoses Radiator Coolant Pipes Lines 04L121064G

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7526941

Hose Heat Exchanger BMW E81 E87 E90 E91 Transfer Oil Pipe 7526941

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7635794

Coolant Hose BMW F20 F30 LCI B38 Water Cooling Pipe Radiator 7635794

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7612444

Cooling Hose BMW E84 N20 Petrol Engine Radiator Water Coolant Pipe Line 7612444

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1097164-2

Power Steering Tank BMW E90 E91 E92 325d 330d Reservoir Return Line 1097164

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 059121065EA

Audi A4 B9 A5 F5 Water Hose Cooling Coolant Radiator Pipe 3.0 TDI 059121065EA

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9802099-1

Mini Cooper R60 R61 Countryman Coolant Water Cooling Hose Pipe Line 9802099

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. GJ32-8B504-AA

Land Rover Discovery Sport L550 Water Coolant Pipe Hose 2.0 Diesel GJ32-8B504-AA

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2642000800

Water Hose Coolant Mercedes W205 M264 Petrol Cooling Pipe Line A2642000800

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0122447EQ

VW Volkswagen Golf VI Mk6 2.0 TDi Coolant Water Hose Line Tube Pipe 1K0122447EQ

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 059121071DE

Audi A4 B9 A5 8T Radiator Coolant Water Hose Line Tube Pipe 3.0 TDI 059121071DE

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A6422000258

Water Pipe Mercedes W204 C207 W212 OM642 Cooling Coolant Hose Line A6422000258

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06F121058D

VW Volkswagen Golf Mk6 VI 2.0 TDi Water Coolant Hose Pipe Line 06F121058D

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9802103

Mini Cooper R60 R61 Cooling System Coolant Radiator Water Hose Pipe 9802103

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2465011358

Water Hose Mercedes W176 W246 OM651 Cooling Coolant Pipe Line A2465011358

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06D121082B

Audi A4 B7 2.0 TFSI BGB Coolant Hose Line Tube Pipe 06D121082B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9684589080-1

Peugeot 207 307 1.6 HDI Water Hose Cooling Coolant Pipe Line 9684589080

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2048301996

Water Pipe Mercedes W204 W207 Engine Coolant Cooling Hose Line A2048301996

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1715010225

Vent Pipe Mercedes SLK R171 Cooling Line Expansion Tank Hose A1715010225

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06K121075P

Audi A3 S3 8V Water Hose Radiator Coolant Pipe Line 2.0 Petrol 06K121075P

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7536235

BMW X5 X6 Series E70 E71 F15 Engine Water Coolant Pipe Hose Radiator 7536235

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2135015501

Water Hose Mercedes W213 C238 C253 C257 Diesel OM654 Coolant Line A2135015501

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7600586

Thermostat Pipe BMW F20 F30 F31 Coolant Hose Line 7600586

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8383708

BMW X5 Series E53 M57 3.0d Diesel Cooling Radiator Expansion Tank Hose 8383708

€23.95

Free delivery: Sep 11 – 15

If paid before 14:00

Part no. A2118302615

Mercedes-Benz E CLS Class W211 W219 Engine Water Coolant Hose Pipe A2118302615

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2048300996

Water Hose Mercedes W204 W212 Engine Cooling Radiator Coolant Pipe A2048300996

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0122447HC

Volkswagen Audi Seat Skoda Water Hose Radiator Coolant Pipe Line 1K0122447HC

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7519256

BMW E60 E61 M54 Petrol Engine Cooling Radiator Supply Hose 7519256

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03P121065C

VW Polo 5 Seat Ibiza 4 Skoda 1.2 TDI CFWA Coolant Pipe Water Tube 03P121065C

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. GK2Q-8K556-AC

Ford Transit Custom Water Hose Engine Cooling Pipe 2.0 EcoBlue GK2Q-8K556-AA

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7525023

BMW E81 E87 Petrol N45 N46 Cooling Radiator Water Hose Pipe 7525023

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7789720

BMW 1 Series E87 118d 120d M47N2 Cooling Radiator Engine Water Hose Pipe 7789720

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2642007500

Mercedes W205 M264 Petrol Radiator Coolant Pipe Line Tube Hose A2642007500

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A6395014382

Mercedes-Benz Vito W639 Engine Radiator Water Coolant Hose Pipe A6395014382

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 059121071BJ

Audi A5 8T Radiator Coolant Water Hose Line Tube Pipe Diesel Engine 059121071BJ

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6951946

BMW 1 3 Series E87 E90 E91 E92 E93 Radiator Engine Return Hose Line Pipe 6951946

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1475563

Mini Cooper One R50 W10 Coolant Water Hose Pipe Expention Tank 1475563

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7834117

BMW 5 6 Series E60 E61N M5 E63 E64 M6 Water Hose Cooling Pipe 7834117

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5Q0122051EJ

Audi A3 S3 8V 2.0 TFSI Engine Water Cooling Pipe Hose Line 5Q0122051EJ

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6R0121070L

Audi A1 8X 1.4 TSI Petrol Engine Water Hose Coolant Pipe Line 6R0121070L

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2128305496

Water Hose Mercedes W212 CLS C218 OM651 Cooling Coolant Pipe Line A2128305496

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7811782-1

Mini Cooper D R55 R56 LCI R58 Diesel N47N Coolant Water Hose Pipe Line 7811782

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9230748

BMW Mini Cooper R55 R56 R57 LCI R58 R59 N47N Water Pipe Coolant Hose 9230748

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A6512000882

Water Pipe Mercedes W639 W906 OM651 Engine Cooling Coolant Hose A6512000882

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6C1Q8250BB

Ford Transit MK7 2.2 TDCi Diesel Water Pipe Coolant Hose Line 6C1Q-8250-BB

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6C118W005EA

Ford Transit Mk7 V Water Hose Engine Cooling Radiator Coolant Pipe 6C118W005FB

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8514220

Coolant Hose BMW X5 F15 X6 F16 Diesel N57 Expansion Tank Water Pump Line 8514220

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6764768

BMW 3 Series E90 E91 Petrol N45 N46 Power Steering Suction Fluid Pipe Hose

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8514435

Water Hose BMW F20 F30 F31 F10 F11 LCI B47 Coolant Water Pump Pipe Line 8514435

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06E121065N

Audi Q5 8R 3.0 TFSI Water Hose Cooling Coolant Pipe Line 06E121065N

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6C11-8B274-BC

Ford Transit Mk7 Water Hose Engine Cooling Radiator Coolant Pipe 6C11-8B274-BC

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8570040

Coolant Hose BMW X3 F25 X4 F26 Diesel Radiator Water Pipe Line N57N 8570040

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03L121157AK

Audi A4 S4 8K A5 S5 8F Engine Water Coolant Hose Tube Pipe Line 03L121157AK

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03L121157AP

Coolant Pipe Audi A4 B8 A5 8T 2.0 TDI Water Cooling Line 03L121157AP

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03L122157Q

Audi A4 B8 A5 8T Coolant Pipe Water Cooling Line 2.0 TDI 03L122157Q

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1332000452

Mercedes W176 C117 AMG Petrol M133 Intercooler Water Return Line A1332000452

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 3C0121157CC

Audi A3 8P 2.0 TDI Diesel Water Hose Cooling Coolant Pipe Line 3C0121157CC

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2478306000

Mercedes W177 AMG Water Pipe Heater Cooling Coolant Hose Line A2478306000

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A6422000056

Mercedes W164 OM642 Engine Coolant Flange Connector Hose A6422000056

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A6401400575

EGR Exhaust Cooler Mercedes W169 W245 Heat Exchanger OM640 Diesel A6401400575

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2702002400

Mercedes W176 Water Cooling Coolant Pipe Hose Line 1.6 Petrol A2702031582

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6905943

BMW 3 Series E46 Heater Radiator Water Valve Pump Hose Pipe Line Diesel 6905943

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7612446

Cooling Hose BMW E84 N20 Petrol Engine Radiator Water Coolant Pipe Line 7612446

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8W0121030N

Audi A4 B9 A5 F5 Water Coolant Cooling Hose Pipe Line 2.0 TDI 8W0121030N

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2465281282

Intake Hose Mercedes W176 Air Charge Cooler Turbo Intercooler Pipe A2465281282

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8630023

BMW 1 3 Series F20 F21 F30 LCI M140i 340i Radiator Return Pipe Line 8630023

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0121063R

Audi A3 8P 1.4 TFSI CAXC Coolant Hose Line Tube Pipe 1K0121063R

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6760516

BMW 7 Series E65 E66 N57N2 730d Radiator Return Line Hose Pipe 6760516

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5N0121065-1

Volkswagen Tiguan 5N Water Pipe Hose Coolant Cooling Line 5N0121065

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7537717

BMW Z4 Series E85 Roadster Cabrio Radiator Cooling Coolant Water Hose 7537717

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7P6122447AL

Volkswagen VW Touareg 7P Coolant Hose Pipes Line 3.0 TDI Diesel 7P6122447AL

€42.95

Free delivery: Sep 11 – 15

If paid before 14:00

Part no. 7617364

Mini Cooper One F55 F56 F57 Hose Radiator Top Thermostat 7617364

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8616548

BMW F20 F21 F30 LCI Hose Engine Feed Radiator Top Pipe 8616548

€75.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9329646-1

Water Pipe BMW F20 LCI F30 F32 Petrol B48 Engine Cooling Hose Line 9329646

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7808080

BMW X5 E70 LCI Water Coolant Hose Return Pipe Line 30dX 40dX N57 7808080

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

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