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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VW Volkswagen Golf Mk6 VI Coolant Water Pipe Hose Line 06F122101A

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0121064AT

Skoda Octavia RS 5E 2.0 TFSI Engine Coolant Pipe Hose Line 5Q0121064AT

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. EJ32-8286-BB

Range Rover Evoque L538 Water Coolant Pipe Hose Line 2.2 Diesel EJ32-8286-BB

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2465010382

Mercedes W176 W246 OM651 Radiator Water Coolant Hose Engine Cooling A2465010382

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2751611

Mini Cooper R55 R56 R57 Engine Coolant Pipe Hose Return Line 2751611

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2118301396

Water Hose Mercedes W211 CLS W219 M272 Cooling Coolant Pipe Line A2118301396

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. BK21-8286-BK-2

Ford Transit Custom MK8 2.2 TDCI Water Hose Coolant Pipe Line BK21-8286-BK

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5QF122157AB

VW Volkswagen Tiguan AX1 1.5 Petrol Engine Coolant Hose Line Tube 5QF122157AB

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2604269

Ford Puma Mk2 Fiesta Mk8 Water Coolant Overflow Pipe Hose Line 1.5 K1BY-8A365-SE

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. L8D2-8286-AC

Land Rover Discovery Sport L550 Coolant Water Hose Pipe 1.5 L8D2-8286-AC

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0122101JL

Audi TT UJ Upper Radiator Coolant Cooling Pipe Line Hose 2.0 Petrol 1K0122101JL

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. BK21-8260-BA

Ford Transit Mk8 Water Hose Engine Cooling Radiator Coolant Pipe BK21-8260-BA

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2515013582

Mercedes W251 Engine Water Coolant Pipe Hose Line Diesel A2515013582

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055010902

Mercedes W205 Engine Water Coolant Pipe Hose Line M264 A2055010902

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. EJ32-7H255-AB

Range Rover Evoque L538 Water Coolant Pipe Hose Line 2.2 TDCI EJ32-7H255-AB

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7352183

Mini Cooper F55 F56 Seal Expansion Tank Bottom 7352183

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0122291K

VW Volkswagen Golf 5G 2.0 TFSI CHHA Coolant Flange 5Q0122291K

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8R0145910B

Audi Q5 8R 2.0 TDI Quattro Water Hose Coolant Pipe Line 8R0145910B

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6122030382

Coolant Hose Mercedes W163 Diesel OM612 Radiator To Fuel Cooler Coolant Line

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055010202

Mercedes W205 Engine Water Coolant Pipe Hose Line A2055010202

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. KK21-8B273-BB-1

Ford Transit Custom 2.0 EcoBlue Coolant Hose Water Pipe Line KK21-8B273-BB

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 99610662201

Porsche Boxster 986 Coolant Radiator Supply Hose Line Tube Pipe 99610662201

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. N90693001

Volkswagen Passat B6 Engine Coolant System T-Piece Line Hose Tube Pipe N90693001

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8670669

BMW G01 G01 LCI G02 Coolant Expansion Tank Hose Tube Line Pipe M40i B58D 8670669

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06E121044M

Audi A6 C7 A4 B8 A7 4G A8 D3 Coolant Hose Line Tube Pipe 06E121044M

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4G0819374L

Audi A6 C7 A7 4G Coolant Hose Pipe Line 3.0 TDI CVUA 4G0819374L

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6422000556

Flange Mercedes W639 Diesel OM642 Coolant Line Fitting Flange A6422000556

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7290830

BMW MINI Cooper F55 F56 Seal Expansion Tank Bottom 7290830

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A4475010482

Coolant Hose Mercedes W447 OM651 Radiator Engine Water Cooling Line A4475010482

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. M8B2-2A457-AA

Range Rover Sport L494 Coolant Pipe Hose Line Tube M8B2-2A457-AA

€142.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4F0121107AH

Audi A6 C6 Water Coolant Pipe Hose Line 2.0 TFSI 4F0121107AH

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 05L122157AS

Audi A4 B9 A5 F5 Water Cooling Coolant Pipe Hose Line 2.0 TDI 05L122157AS

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4F0145738F

Audi A6 C6 3.0 TDI Diesel Turbo Charger Intercooler Pipe Hose Duct 4F0145738F

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03N121070K

VW Volkswagen Tiguan AD1 Water Coolant Hose Pipe Line 2.0 TDI 03N121070K

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04L121065AK

Audi A5 8T Heater Water Cooling Coolant Pipe Hose Line 04L121065AK

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8K0121036E

Audi A4 B8 A5 8T A5 S5 Radiator Coolant Hose Tube Line Pipe 8K0121036E

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. AV41-8260-AC

Ford Kuga Mk1 Water Cooling Coolant Pipe Hose 2.0 TDCI Diesel AV41-8260-AC

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 05L122157CG

Audi A4 B9 A5 F5 Engine Cooling Coolant Pipe Line Hose 2.0 TDI 05L122157CG

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04L121064AQ

Seat Ateca FR 2.0 TDI Engine Water Coolant Pipe Cooling Hose Line 04L121064AQ

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2360272

Ford Fiesta Mk8 Puma Mk1 Radiator Coolant Pipe Hose 1.5 Petrol K1BY-8C351-SF

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0121096C

Skoda Octavia Mk3 VW Golf Mk7 Water Coolant Pipe Hose Line 2.0 TFSI 5Q0121096C

€23.95

Free delivery: Sep 23 – 24

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 23 – 24

If paid before 14:00

Part no. 9670254180

Water Hose Citroen C4 Berlingo Peugeot 207 1.6 HDI Coolant Pipe Line 9670254180

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 3Q0122073Q

Skoda Karoq Mk1 Water Cooling Coolant Pipe Hose Line 2.0 TDI Diesel 3Q0122073Q

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9398959

BMW G20 G21 G26 G28 G42 Expansion Tank Coolant Return Hose Pipe Line 9398959

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03C121469C

Volkswagen Golf Mk5 Engine Cooling Coolant Water Pipe Line 1.4 TSI 03C121469C

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055018201

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055018201

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8K1819371AB

Audi A4 B8 A5 8T Coolant Pipe Hose Line Heat Exchanger 1.8 TFSI 8K1819371AB

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4G0121049AG

Audi A6 C7 2.0 TDI CGLC Water Radiator Coolant Pipe Hose Tube Line 4G0121049AG

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1775014802

Coolant Hose Mercedes CLA C118 W177 W247 M282 Cooling Pipe Line A1775014802

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7521361-1

BMW 1 Series E81 E87 116i N45 Hose Engine Feed Radiator Top Pipe 7521361

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06K121065R

Seat Leon Mk3 Cupra VW Golf GTI Water Coolant Pipe 2.0 TFSI 06K121065R

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6930549

BMW 5 6 Series E60 E61N M5 E63 E64 M6 Hose Additional Water Pump Water Valve

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0122291H

Seat Leon Cupra 5F Water Coolant Hose Line Tube Pipe Quick Coupling 5Q0122291H

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7578399

BMW F01 F02 LCI F10 F11 Water Cooling Coolant Pipe Hose Line N53 7578399

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8513337

BMW F10 F11 F30 F31 F36 LCI X5 F15 Water Coolant Pipe Hose N57N Diesel 8513337

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. BK21-9Y438-BC

Ford Transit Mk8 Water Coolant Pipe Hose Line 2.2 TDCi Diesel BK21-9Y438-BC

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5K0122101M

Volkswagen Scirocco Mk3 Coolant Hose Radiator Water Pipe Line 5K0122101M

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8517590

BMW X5 F15 X6 F16 Radiator Coolant Cooling Pipe Hose Line 40d Diesel 8517590

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0122101EA-1

Skoda Octavia 5E Water Coolant Hose Line Pipe 2.0 TSI CHHB 5Q0122101EA

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6C0122157N

Audi A1 8X Engine Coolant Pipe Hose Tube Line 1.6 TDI Diesel CXMA 6C0122157N

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2349929

Ford Kuga Mk3 Water Coolant Pipe Hose System 2.5 Hybrid LX61-8A319-HBD

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4G0121448BN

Audi A6 C7 A7 4G Coolant Hose Pipe Line 3.0 TDI CVUA 4G0121448BN

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4G0122101AJ

Water Hose Audi A6 C7 A7 4G Diesel Cooling Radiator Pipe Line 4G0122101AJ

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8580477

Coolant Hose BMW F40 B47B Mini F55 F56 B47D Radiator Water Coolant Pipe 8580477

€51.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. CPLA-18B402-AC

Land Range Rover Sport L494 Water Coolant Hose Pipe Line Tube CPLA-18B402-AC

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2048302096

Mercedes W204 Engine Cooling Coolant Water Hose Pipe Line A2048302096

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. AV61-18K582-ED-1

Ford Transit Connect Mk2 Coolant Pipe Hose Tube 1.5 TDCi AV61-18K582-ED

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 3Q0121070R

VW Tiguan AD1 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 3Q0121070R

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 059121102C

Audi A4 B8 A5 8T A6 C6 Coolant Hose Line Tube Pipe 3.0 TDI 059121102C

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. AH22-4090-CC

Land Rover Discovery 4 L319 Radiator Coolant Water Hoses Pipes AH22-4090-CC

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4G0122056B

Audi A6 C7 A7 4G Coolant Hose Pipe Line 3.0 TDI CVUA 4G0121448BN

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 059121051H

Audi A5 F5 Engine Coolant Water Pipe Hose Line 3.0 TDI Diesel Engine 059121051H

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7P6122101E

Porsche Cayenne 92A Coolant Cooling Hose Pipe Line 4.2 Petrol Engine 7P6122101E

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055011301

Mercedes W205 Coolant Water Pipe Tank Line Hose A2055011301

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8570794

BMW F20 F21 LCI F30 F31 F34 GT F36 Engine Coolant Hose Tube Line Pipe 8570794

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0121049CB

Audi A3 8P Water Coolant Pipe Hose Line Tube 1.2 TFSI 1K0121049CB

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7544638

BMW 5 6 7 Series E60 E61 E63 E64 E65 N52 Cylinder Head Thermostat Hose 7544638

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9307242

BMW 3 4 Series F80 M3 F82 E83 M4 Radiator And Engine Return Hose 9307242

€35.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7P0819912E

Porsche Cayenne 92A VW Touareg 7P Coolant Hose Pipe Line 3.0 TDI 7P0819912E

€42.95

Free delivery: Sep 22 – 24

If paid before 14:00

Part no. 9170342

BMW F07 F10 F11 F12 F13 F01 F02 Coolant Return Pipe Hose Line 9170342

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2445970

Ford Fiesta Mk8 ST Water Coolant Pipe Hose Line 1.5 Ecoboost K1BY-18K579-TA

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. AH22-8B273-AA

Land Rover Discovery 4 L319 Thermostat Coolant Hose Pipe AH22-8B273-AA

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. LR006000

Land Rover Discovery 3 L319 Water Coolant Pipe Hose Line 2.7 Diesel 7H2Q-6720-DA

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7L8121157D

Audi Q7 4L Water Coolant Pipe Hose 3.0 TDI V6 Diesel CRC 7L8121157D

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2H0121805-1

Volkswagen Crafter 2E Engine Cooling Vacuum Valve Heating Pipe 2.0 TDI 2H0121805

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0122073FS

Volkswagen Audi Seat Skoda Water Hose Radiator Coolant Pipe Line 1K0122073FS

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2822032700

Coolant Pipe Mercedes W177 Petrol M282 Water Circulation Line A2822032700

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8570793

BMW F11 LCI F23 LCI F34 GT Engine Coolant Return Hose Tube Line Pipe 8570793

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9119192

BMW F07 F10 F12 Water Hose Inlet Coolant Pipe Line Tube 9119192

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8662835

Water Radiator Pipe BMW F23 F32 F36 Hose Coolant Cooling Line 8662835

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6C1Q8250B2B

Ford Transit MK7 2.2 TDCi Diesel Water Pipe Coolant Hose Line 6C1Q-8250-B2B

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06E121083M

Audi S4 B8 S5 8T 3.0 TFSI CRE Supercharger Coolant Hose Pipe Line 06E121083M

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5N0122109AE

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

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7521778

BMW 5 6 7 Series E60 E61 E63 E65 Petrol N52 Return Hose Engine Cooling 7521778

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1332000551

Mercedes W176 M133 45 AMG Coolant Pipe Hose Line Tube A1332000551

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2754221

Mini Cooper One R55 R56 R57 R58 R59 Upper Radiator Coolant Pipe Hose Petrol

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 3400416

BMW X3 Series E83 M54 Hose For Water Valve And Radiator Engine Cooling 3400416

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1765012282

Mercedes W176 Coolant Hose Radiator Pipe A1765012282

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

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