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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BMW i3 I01 94Ah Water Coolant Cooling Hose Pipe Line 8656446

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1725010382

Mercedes R172 Engine Water Coolant Hose Pipe Line Petrol A1725010382

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A9018324923

Mercedes W901 W905 Heater Water Cooling Coolant Pipe Hose Line A9018324923

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A4145010182

Mercedes-Benz Vaneo W414 Cooling Radiator Top Hose Pipe Line A4145010182

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6398300615

Mercedes W639 Radiator Water Coolant Pipe Hose Tube Line A6398300615

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7616035

BMW i3 I01 Coolant Hose Water Cooling Pipe Radiator Expansion Tank 7616035

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2038304096

Water Hose Mercedes W203 W209 Cooling Coolant Pipe Line A2038304096

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 420121054B

Audi R8 42 Engine Coolant Pipe Water Hose Cooling Line Tube 420121054B

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1725011982

Mercedes SLK R172 M271 Water Coolant Pipe Cooling Hose A1725011982 A1728320294

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2215014582

Mercedes W221 V6 M272 Petrol Water Coolant Pipe Hose Line A2215014582

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-95B819198P

Porsche Macan 95B Radiator Water Coolant Pipe Hose Cooling Line Set 95B819198P

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6832803

MINI F55 F56 F57 F60 Coolant Hose Pipe Tube 6832803

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A9015012782

Mercedes W204 Water Hose Radiator Coolant Cooling Pipe Line A9015012782

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7604546

Radiator Pipe BMW F20 F21 F30 F32 F36 Coolant Hose Water Cooling Line 7604546

£42.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4K0122056F-1

Audi A6 C8 Water Coolant Pipe Hose Line 50 TFSIe 4K0122056F

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8E0133817F

Audi S4 B7 4.2 BBK Coolant Water Radiator Pipe Hose Line Tube 8E0133817F

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0121064AR

Volkswagen VW Golf Mk7 Audi A3 8V Engine Coolant Pipe Hose Line 5Q0121064AR

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. Q0010035V003

Smart W452 Roadster Radiator Coolant Cooling Water Pipe Line Petrol Q0010035V003

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7803608

BMW 1 X1 Series E81 E84 E87 LCI N47S Engine Exhaust Manifold Return Pipe

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6398322023

Mercedes Vito Viano W639 OM646 Coolant Hose Water Pipe Cooling Line A6398322023

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 059121075FH

Audi A6 C8 Engine Cooling Coolant Pipe Hose Tube Line 3.0 TDI DDVB 059121075FH

£70.95

Free delivery: Sep 9 – 16

If paid before 14:00

Part no. 420121123A

Audi R8 42 Engine Coolant Pipe Water Hose Cooling Line Tube 420121123A

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A0002900900

Mercedes W901 W903 Hose Line Pipe A0002900900

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4K0122109AF

Audi A6 C8 Engine Water Coolant Cooling Pipe Hose Line 50TFSIe 4K0122109AF

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 83A816738

Audi Q3 RSQ3 F3 Petrol Hose Air Con A/C Intercooler Pipe Line 83A816738

£51.95

Free delivery: Sep 08

If paid before 14:00

Part no. CPLA-8276-CC

Range Rover Sport L494 Coolant Radiator Hose Tube Line Pipe CPLA-8276-CC

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1K0121063P

Volkswagen Scirocco Mk3 Touran 1T Jetta A6 Coolant Hose Line Pipe 1K0121063P

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 059121399K

Audi SQ5 8R 3.0 TDI Diesel Coolant Hose Line Tube Pipe 059121399K

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 3AA122109B

Volkswagen Passat B7 Water Coolant Cooling Pipe Hose Line Diesel 3AA122109B

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7645476

Mini F60 BMW X2 F39 F45 F48 B38X Coolant Feed Pipe Hose Line 7645476

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 04L122157BJ

Audi A5 S5 8T A6 S6 4G Engine Coolant Hose Tube Line Pipe 2.0 TDI 04L122157BJ

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. CK3Q8N039AA

Ford Transit MK7 2.2 TDCI Water Hose Engine Coolant Pipe Line CK3Q8N039AA

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8W0122101A

Audi A4 B9 A5 F5 Coolant Water Hose Line Tube Pipe 3.0 TDI Diesel 8W0122101A

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. Q0010261V003

Smart Roadster W452 Radiator Coolant Cooling Water Pipe Line Petrol 0010261V003

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7809738

BMW 1 Series E81 E87 LCI 123d N47S Engine Exhaust Manifold Oil Pipe 7809738

£62.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7E0122051E-1

Volkswagen Transporter T5 Coolant Hose Radiator Water Pipe 2.0 TDI 7E0122051E

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6R0122101DJ-1

Audi A1 S1 8X Water Coolant Pipe Hose Line 2.0 TFSI 6R0122101DJ

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9329652

Water Hose BMW F30 LCI B48X 330e Coolant Cooling Pipe Line Hose 9329652

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4H0121449Q

Audi A6 C7 3.0 TDI CLAA Water Coolant Pipe Hose Line Tube 4H0121449Q

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A9078306901

Mercedes W907 Auxiliary Water Pump Coolant Hose Line Pipe 9078306901

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9368339

Coolant Pipe BMW F30 LCI 330e B48X Air Conditioning A/C Line Tube 9368339

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8J0121101C

Audi TT 8J 2.0 TFSI Water Hose Cooling Coolant Radiator Pipe Line 8J0121101C

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7580969

Coolant Hose BMW F10 F12 F13 F07Gt Petrol N55 Engine Cooling Water Line 7580969

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5A6E1A9

BMW F70 F74 F78 Mini F66 F67 Radiator Upper Coolant Hose Water Pipe Line 5A6E1A9

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2135010001

Mercedes W213 Engine Coolant Hose Tube Pipe Line A2135010001

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06D121065L

Audi A4 B7 Water Coolant Pipe Hose Line 2.0 TFSI 06D121065L

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. GJ32-8B159-AA

Land Rover Discovery L550 Coolant Pipe Hose Line 2.0 Diesel GJ32-8B159-AA

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-8K2819373N

Audi A5 8T Water Coolant Hose Line Tube Pipe 8K2819373N

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 94810602260

Porsche Cayenne Turbo 92A 4.8 V8 Cooler Coolant Pipe Hose Line 94810602260

£156.95

Free delivery: Sep 9 – 16

If paid before 14:00

Part no. 9896555

BMW U06 U11 Cylinder Head Coolant Pump Breather Line Hose Tube Pipe 9896555

£94.95

Free delivery: Sep 9 – 16

If paid before 14:00

Part no. 7525641

BMW E92 LCI Engine Coolant Radiator Hose Pipe Tube Line N47N Diesel 7525641

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2135017400

Mercedes A238 Water Coolant Filling Hose Pipe Line A2135017400

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6512030300

Coolant Hose Mercedes W204 W906 Diesel OM651 Thermostat Connector A6512030300

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6R0122109L

Audi S1 8X VW Polo GTI Mk5 Water Coolant Pipe Hose Line 2.0 TFSI 6R0122109L

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A9018324623

Mercedes W901 Heater Water Cooling Coolant Pipe Hose Line A9018324623

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K0121081F

Audi A5 8T 3.0 TDI CCWA Diesel Coolant Hose Line Pipe Tube 8K0121081F 059121399E

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2125012684

Coolant Pipe Mercedes W212 C218 M276 Petrol Water Hose A2125012684

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8625400

Mini Cooper S F56 Radiator Coolant Pipe Hose Line B48 8625400

£66.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7P0121070AA-1

Porsche Cayenne 92A Coolant Hose Pipe Line 3.0 TFSI Hybrid 7P0121070AA

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. GJ32-8286-BB-1

Land Rover Range Rover Evoque L538 Coolant Hose Pipe Tube Line GJ32-8286-BB

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7524841

BMW E65 E66 E67 Radiator Coolant Cooling Return Water Hose Pipe 7524841

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7L8122096-1

Audi Q7 4L 3.0 TDI Water Hose Cooling Radiator Coolant Pipe Line Set 7L8122096

£42.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1724603824

Mercedes R172 Power Steering Radiator Cooling Hose Pipe Line A1724603824

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0121058AD

Skoda Octavia Mk4 Audi S3 8Y Water Coolant Pipe Hose Line 2.0 TFSI 5Q0121058AD

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5N0122109AE

Audi Q3 8U Coolant Hose Radiator Cooling Water Pipe Line 5N0122109AE

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8576812

Coolant Pipe BMW F40 F45 X1 F48 Mini F55 F56 B37B EGR Cooler Line Hose 8576812

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8584831

BMW F40 F48 Mini F56 Coolant Hoses Radiator Water Cooling Pipes Diesel 8584831

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6542037100

Mercedes C118 Water Coolant Flange Pipe Hose Line A6542037100

£61.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K1819376L

Audi A4 B8 8K A5 8T Engine Water Coolant Pipe Hose Line Diesel 8K1819376L

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2125014784

Coolant Pipe Mercedes W212 C218 M276 Petrol Engine Water Hose A2125014784

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5WA122157AC

Skoda Octavia VR Audi TT A1 VW Golf Engine Water Coolant Pipe Hose 5WA122157AC

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-8W0819372T

Audi A4 B9 A5 F5 Water Coolant Pipe Hose Line 3.0 TDI 8W0819372T

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2205010482

Mercedes C215 W220 Radiator Bottom Coolant Hose Pipe A2205010482

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8515235

Coolant Hose BMW F10 F11 LCI N57Z Turbo Cooling Water Pipe Line 8515235

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 3C0122101BM-1

Audi A3 8P Water Coolant Pipe Line Hose Cooling Unit 2.0 TDI 3C0122101BM

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2468302796

Mercedes W176 W246 OM651 Radiator Water Coolant Hose Engine Cooling A2468302796

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 80A121400B

Audi Q5 FY Water Hose Cooling Coolant Radiator Pipe Line 80A121400B

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1K0121096BH

Audi A3 8P Water Hose Cooling Radiator Coolant Pipe Line 1K0121096BH

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 94810645721

Porsche Cayenne Turbo 92a Engine Coolant Hose Tube Pipe Line Channel 94810645721

Product currently unavailable

Part no. RHD-A2208320994-1

Mercedes C215 W220 Window Washer Heating Flow Pipe Hose Set A2208320994

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7644095

BMW X5 F15 Water Hose Coolant Cooling Tube Pipe Line 7644095

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6512030902-1

Mercedes W447 OM651 Diesel Water Coolant Pipe Hose Line A6512030902

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-8W0819375AB

Audi A4 B9 A5 F5 Water Coolant Heater Pipe Hose Line 3.0 TDI 8W0819375AB

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8P0122051

Audi RSQ3 8U Cooling System Water Coolant Hose Pipe Line 2.5 TFSI 8P0122051

£61.95

Part no. 7646702

BMW X5 F15 Water Hose Coolant Cooling Tube Pipe Line 7646702

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. BK218286BF

Ford Transit Custom MK8 2.2 TDCI Water Hose Cooling Coolant Pipe Line BK218286BF

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4378817

Ford Transit Connect Water Coolant Hose Pipe Line 1.8 TDCi 2T14-8B274-BC

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A4535011724

Smart 453 Fortwo Radiator Coolant Line Pipe Tube Hose A4535011724

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4K0122101BP

Audi A6 C8 Water Pipe Hose Line Cooling Coolant 50 TFSIe 4K0122101BP

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-8W2819350K

Audi A4 S4 B9 Engine Water Coolant Hose Pipe Line 8W2819350K

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K1819376P

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A4475014500

Mercedes W447 Radiator Coolant Hose Cooling Pipe Bleed Line A4475014500

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1695010882

Mercedes-Benz A-Class W169 Petrol Water Coolant Hose Pipe Radiator A1695010882

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2214713815

Mercedes W221 W216 Crankcase Breather Vacuum Pipe Hose Line A2214713815

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9886651

Battery Coolant Pipe BMW F70 U06 X1 U11 X2 U10 Cooling Hose Tube Line 9886651

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8511747

Coolant Hose BMW F10 F11 LCI Radiator Cooling Water Pipe Line 8511747

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2115010482

Mercedes E-Class W211 S211 Water Coolant Hose Pipe Radiator A2115010482

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4K0122157C

Audi A6 C8 Engine Water Coolant Cooling Pipe Hose Line 50TFSIe 4K0122157C

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K0819332J

Audi A5 8F 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 8K0819332J

£18.95

Free delivery: Sep 08

If paid before 14:00

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