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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Seat Ibiza KJ1 1.0 TSI Engine Cooling Coolant Pipe Hose Line 2Q0121156B

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7474367

BMW G20 G21 G26 G28 Diesel Passive Tank Breather Hose Pipe Line Tube 7474367

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7L6121109D

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2135015900

Mercedes W213 C238 Engine Coolant Pipe Hose Line A2135015900

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06K121075AS

VW Polo 6C GTI Audi S1 8X 1.8 2.0 TFSI Water Coolant Pipe Hose Line 06K121075S

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7L6122291AD

Audi Q7 7L Engine Radiator Coolant Hose Pipe Line Diesel 7L6122291AD

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8573187

BMW F30 F31 F34 F36 N57 Engine Cooling Coolant Hose Radiator Water Line 8573187

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9247858

Coolant Hose BMW F10 M5 F12 F13 M6 S63N Water Cooling Pipe Radiator 9247858

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9367391

Water Hose BMW F45 225xe Mini F60 SE ALL4 B38X Coolant Pipe Line 9367391

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7P0819926C

Volkswagen Touareg 7P 3.0 TDI Coolant Water Pipe Hose Line 7P0819926C

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5A0C5A9

BMW U06 Active Tourer Water Coolant Pipe Hose Line 5A0C5A9

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4H0121088AD

Audi A8 4H Expansion Bottle Tank Radiator Hose Line Tube Pipe 4H0121088AD

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. BK3Q8K520B2B

Ford Transit Mk8 Water Hose Cooling Coolant Pipe Line 2.2 TDCI BK3Q8K520B2B

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2515011582

Mercedes W251 OM642 Diesel Water Coolant Pipe Cooling Hose Line A2515011582

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2135016982

Water Hose Mercedes W213 C238 C253 Diesel Engine OM642 Coolant Line A2135016982

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2058309005

Heating Line Mercedes W205 Return Water Hose To Circulation Pump A2058309005

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. MB3G-8B273-PD

VW Volkswagen Amarok Mk2 Water Cooling Coolant Pipe Hose Line MB3G-8B273-PD

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4K0121486

Audi A6 C8 A7 4K Coolant Hose Water Pipe Cooling Line 4K0121486

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055014901

Mercedes C205 OM654 Diesel Coolant Water Pipe Line Hose Tube A2055014901

£66.95

Free delivery: Sep 08

If paid before 14:00

Part no. A4478323723-

Coolant Hose Mercedes Vito W447 Diesel M651 Heater Water Return Line A4478323723

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6082000600

Mercedes W177 OM608 Diesel Engine Coolant Thermostat Pipe Line Hose A6082000600

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4K0121071J

Audi A6 C8 Engine Coolant Hose Pipe Water Line Cooling 4K0121071J

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2135012082

Mercedes W213 C238 GLC C253 Diesel Water Coolant Pipe Hose Line A2135012082

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4K0122158

Audi A6 C8 Engine Water Coolant Cooling Pipe Hose Line 2.0 TFSIe 4K0122158

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A0005003040-1

Mercedes W205 W213 W222 C253 Engine Cooling Coolant Valve A0005003040

£42.95

Free delivery: Sep 08

If paid before 14:00

Part no. 04L122157BA

Audi A5 8T Heater Water Cooling Coolant Pipe Hose Line 04L122157BA

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8832959

Water Coolant Pipe BMW U06 Active Tourer U10 U11 Petrol Engine Second Inlet

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0122101DA

Seat Lean Cupra 5F Ibiza 6P Coolant Flange Pipe Line Tube Coupling 5Q0122291DA

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-4H2819672S

Audi A8 D4 Radiator Coolant Return Hose Water Pipe Line 3.0 TDI 4H2819672S

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2135013982

Water Hose Mercedes W213 C238 C253 Diesel Engine OM642 Coolant Line A2135013982

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8517081

Hose BMW F13 F12 F01 F07 N57Z Engine Cooling Coolant Pipe Line 8517081

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8W0819350H

Audi A4 B9 A5 F5 1.4 TFSI Water Coolant Pipe Hose Line 8W0819350H

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8832956

Water Coolant Pipe BMW U06 Active Tourer U10 U11 Petrol Engine Hose Line 8832956

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055060700

Mercedes W205 Water Hose Pipe Line Heater Coolant C300de A2055060700

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. rhd-A2058303202

Heater Hose Mercedes W205 Return Line From Heat Exchanger To Holder A2058303202

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8W0819332AA

Audi A4 B9 Water Hose Cooling Engine Coolant Pipe Line 8W0819332AA

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. M8A2-8C502-BB

Range Rover Velar L560 Exhaust Fluid Pipe Hose Line 2.0 Diesel M8A2-8C502-BB

£42.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2742000615-2

Thermostat Pipe Mercedes W205 X253 W212 Petrol M274 Coolant Hose A2742000615

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4G0122101

Audi A6 C7 Radiator Upper Hose Line Pipe Left N/S 2.8 Petrol 4G0122101

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-4H2819337

Audi A8 D4 Diesel Engine Water Coolant Hose Line Tube Pipe 4H2819337

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 07L121070Q

Audi S8 D3 Quattro 5.2 FSI V10 BSM Coolant Pipe Right Water Line 07L121070Q

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 04L122157BT

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06D121085C

Audi A4 B7 A6 C6 Water Coolant Hose Line Tube Pipe 2.0 TFSI BWE 06D121085C

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0122101CE

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

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06E121030B

Audi A6 C7 Water Coolant Cooling Pipe Hose Line 3.0 Petrol Engine 06E121030B

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4G0122101AT

Audi A6 C7 Coolant Water Hose Radiator Pipe Line 2.0 Petrol Engine 4G0122101AT

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5N0122157AJ

Volkswagen VW Tiguan 5N Water Pipe Hose Coolant Cooling Line 5N0122157AJ

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 07L121065J

Coolant Hose Audi S8 A8 D3 A6 C6 5.2 Petrol FSI Left N/S Water Pipe 07L121065J

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 3416609

BMW X3 Series E83 LCI N52N Hose Engine Inlet Water Valve 3416609

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4G0122293CA

Audi A4 B8 A6 C7 2.0 TDI Water Coolant Pipe Hose Line Tube 4G0122293CA

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2118303596

Mercedes W211 Air Conditioning Heater Pipe Hose Line A2118303596

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8475730

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

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2045010482

Radiator Hose Mercedes W204 M272 Coolant Right Radiator Water Line A2045010482

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2822032600

Mercedes W177 M282 Petrol Engine Water Hose Coolant Pipe Line A2822032600

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. M8A2-8260-EB

Range Rover Velar L560 Water Coolant Hose Pipe Line 2.0 Diesel M8A2-8260-EB

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2095013982

Mercedes A209 Expansion Tank Upper Coolant Hose Pipe Line M272 A2095013982

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4G0121485T

Audi A6 C7 Coolant Cooling Pipe Hose Line 2.8 Quattro 4G0121485T

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06M121137AH

Audi A4 B9 A5 F5 Water Coolant Pipe Hose Cooling Line 06M121137AH

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5N0122073AC

Audi Q3 8U Water Hose Cooling Radiator Coolant Pipe Line 5N0122073AC

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. -7796272-1

BMW E60 E61 E63 E64 LCI M57N2 Water Radiator Coolant Hose Pipe 7796272

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1775019502

Mercedes C118 W177 W247 AMG Engine Water Coolant Pipe Hose Line M260 A1775019502

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6C11-18K582-CE

Water Hose Ford Transit Mk7 2.2 TDCi Heat Exchanger Coolant Line 6C11-18K582-CE

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1725014582

Mercedes SLK250 CDI R172 OM651 Cooling Water Return Pipe Hose Line A1725014582

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2315013682

Mercedes R231 Engine Cooling Coolant Line Pipe Hose A2315013682

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03L121157AC

Audi A4 B8 A5 8T Water Coolant Pipe Hose Line 2.0 TDI 03L121157AC

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1932336

Ford Focus Mk3 III Engine Water Coolant Cooling Pipe Hose Line F1F1-8274-GC

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4G0121448AQ

Audi RS6 C7 Heater Water Cooling Coolant Pipe Hose Line 4G0121448AQ

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6905943

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9228107

BMW F01 F02 F03 Coolant Cooling Return Pipe Hose Line N74 Petrol Engine 9228107

£75.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06H121057E

Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line 06H121057E

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1K0121049CG

Volkswagen Golf Mk6 Jetta Mk5 Radiator Water Pipe Hose 1.4 TSI 1K0121049CG

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8584143

Water Hose BMW F20 F30 F31 F10 F11 LCI B47 Coolant Water Pump Pipe Line 8584143

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 04L122157BE

Audi A5 8T 2.0 TDI CNHA Water Coolant Pipe Tube Line Hose 04L122157BE

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6C0122073T

Seat Skoda Audi A1 8X 1.6 TDI Water Coolant Pipe Hose Cooling Line 6C0122073T

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 2E0121049C

VW Volkswagen Crafter 2E 2.0 TDI Coolant Hose Engine Cooling System 2E0121049C

£75.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9473886

Water Hose BMW G11 G12 LCI Radiator Coolant Pipe Line 9473886

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9222751

BMW X5 E70 LCI Auxiliary Water Radiator Coolant Pipe Hose Pipe Supply 9222751

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9G91-8286-CB

Ford Galaxy S-Max Water Hose Engine Cooling Radiator Coolant Pipe 9G91-8286-CB

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8611672

Coolant Hose BMW i3 I01 Rex Hybrid Radiator Coolant Pipe Line 8611672

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03L121101

Audi A4 B8 A5 8T A6 C7 Water Coolant Pipe Hose Line 2.0 TDI 03L121101

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-8L2820547

Audi A3 8L Seat Leon Toledo Air Conditioning A/C Hose Pipe Line 8L2820547

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8T0941717D

Audi A4 RS4 B8 Headlight Lamp Drain Hose Pipe Line Tube Left N/S 8T0941717D

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5N0121101H

VW Volkswagen Golf Mk6 Coolant Hose Pipe Line 2.0 TDI Diesel Engine 5N0121101H

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8571613

Coolant Hose BMW X3 F25 Engine Cooling Pipe Line N47N 18d 20dX 8571613

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7591093

BMW F10 F11 Water Hose Radiator Coolant Cooling Pipe Line Petrol Engine 7591093

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. rhd-A2385010801

Mercedes W213 W238 Engine Cooling Hose Pipe Line Petrol M256 M264 A2385010801

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2128301896

Water Pipe Mercedes W212 Engine Cooling Coolant Hose Line A2128301896

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1645280382

Mercedes W164 Air Intake Hose Intercooler Charge Pipe Line Diesel A1645280382

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8514071

Water Hose BMW X3 F25 X4 F26 B47 Coolant Expansion Tank Pipe Line 8514071

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 04L121026R-1

Audi A5 8T 2.0 TDI CNHA Thermostat Housing Pipe Hose Line Tube 04L121026R

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 99710675104-1

Porsche Cayman 987 Coolant Return Hose Pipe Water Distributor Tube 99710675104

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. A9078301001

Mercedes W907 Sprinter Radiator Coolant Hose Pipe Line A9078301001

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8645480

BMW X1 E84 Mini F55 F56 F60 Water Hose Radiator Engine Coolant Pipe Line 2367292

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06J121075F-1

Audi TT 8J A3 8P VW Golf GTI 5K Sharan Coolant Hose Water Pipe Line 06J121075F

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8J08207190

Audi TT 8J Air Conditioning A/C Hose Pipe Line 8J08207190

£85.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06D121111G

Audi A4 B7 Coolant Regulator Thermostat Housing Pipe 2.0 TFSI BWE 06D121111G

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8517591

BMW X5 F15 Coolant Expansion Tank Shut Off Valve Hose Pipe Tube 8517591

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. YC1Q-8A544-AC

Ford Transit MK7 TDCI Water Pump Pipe Engine Coolant Flange YC1Q-8A544-AC

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9224372

BMW F10 F11 N47N N47S1 Water Coolant Hose Return Pipe Line 9224372

£13.95

Free delivery: Sep 08

If paid before 14:00

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