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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Ford Fiesta Mk8 Engine Water Coolant Hose Tube Pipe 1.0 Petrol H1BG-8B274-BB

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

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: Nov 10 – 13

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: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 2180020

Ford Fiesta Mk8 Water Coolant Pipe Hose Line 1.0 EcoBoost Petrol H1BG-8A365-BE

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. A2822032700

Coolant Pipe Mercedes W177 Petrol M282 Water Circulation Line A2822032700

€28.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 9119192

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8662835

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

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 5N0122109AE

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

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. A1332000551

Mercedes W176 M133 45 AMG Coolant Pipe Hose Line Tube A1332000551

€37.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 7P6121157G

Porsche Cayenne S 92A Coolant Hose Pipe Line 7P6122157G

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1112381382

Mercedes-Benz C-Class W203 M111 Shut Off Valve Pipe Hose A1112381382

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6C0122447K-1

Audi A1 8X VW Polo Mk5 Water Coolant Pipe Hose Line 1.4 TSI 6C0122447K

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03L122157R

Volkswagen Golf Mk6 Caddy 1.6 TDI Diesel Water Coolant Pipe Hose 03L122157R

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 52163444

Fiat Ducato 52163444 Engine Coolant Hose Tube Line Pipe 52163444

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1657122050

Toyota Celica T23 Radiator Inlet Coolant Hose Tube Line Pipe 1657122050

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2094882

Ford Kuga C520 Radiator Tank Overflow Hose Pipe Line 1.5 EcoBoost GV61-8C012-DJ

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4133404

BMW 1 3 Series E81 E82 E84 E87 E93N Engine radiator return cooling hose 4133404

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2475010382

Mercedes W177 Radiator Water Cooling Coolant Pipe Hose Line M260 A2475010382

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1332000582

Mercedes W176 M133 A45 AMG Coolant Water Pipe Hose Line Tube A1332000582

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055011191

Mercedes W205 Water Hose Engine Cooling Coolant Pipe Line Tube A2055011191

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03L121157AE-1

Audi A6 C7 Q5 8R Water Coolant Pipe Hose Tube 2.0 TDi 03L121157AE

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 52163445

Fiat Ducato Engine Water Coolant Hose Tube Line Pipe 52163445

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0122101JM

Seat Leon Mk2 1P Audi A3 8P Water Coolant Hose Pipe Line 2.0 Petrol 1K0122101JM

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1814760

Ford Transit Mk8 Engine Radiator Water Coolant Pipe Hose Line Tube CK3Q-8N039-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9208187

Coolant Hose BMW F20 F21 F30 F36 F32 N55 Return Engine To Radiator Line 9208187

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7N0122073M

VW Volkswagen Sharan 7N Water Coolant Hose Pipe Line Tube 7N0122073M

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8584837

Hose Pipe BMW F40 F45 B47B B47D Hose High Pressure EGR Coolant Pump Tube 8584837

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1332000951

Mercedes W176 M133 A45 AMG Coolant Pipe Hose Line Tube A1332000951

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0122109J

Audi S3 8V VW Volkswagen Golf 7 Water Coolant Pipe Hose Line Tube 5Q0122109J

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR139853

Range Rover Evoque L551 Coolant Hose Pipe 2.0 Hybrid M8D2-8B160-AB

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2125280882-1

Mercedes W204 W212 Air Intake Hose Intercooler Charge Pipe Diesel A2125280882

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6542038700

Mercedes W213 OM654 Diesel Water Coolant Cooling Pipe Line Hose A6542038700

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR062099

Range Rover Sport L494 Coolant Hose Pipe 3.0 SDV6 Diesel FPLA-9Y439-CA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. L8D2-8D226-AB

Land Rover Discovery Sport L550 Coolant Water Hose Pipe 1.5 PHEV L8D2-8D226-AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2742034002-1

Coolant Pipe Mercedes W213 C238 X253 Heater Water Cooling Hose Line A2742034002

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055019001

Mercedes W205 Water Coolant Pipe Hose Line OM654 A2055019001

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06E121044L

Audi S5 8T A4 S4 B8 A6 C7 Engine Water Coolant Pipe Hose Tube Line 06E121044L

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8J0121051P

Audi TT 8J Engine Water Coolant Pipe Hose Line 2.0 TDI Diesel Engine 8J0121051P

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03E121065A

VW Volkswagen Polo 6R Solid Water Coolant Pipe Hose Line Tube 03E121065A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2122701296

Mercedes W212 M156 E63 AMG Oil Cooler Coolant Pipe Hose Line A2122701296

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9332283

BMW 5 F10 F11 LCI B47 Coolant Hose Pipe Return Heat Exchanger Engine 9332283

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06N121085D

Audi A4 B9 A5 F5 A6 A7 C8 Radiator Water Coolant Hose Pipe Line Left 06N121085D

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. K8D2-8K012-BC

Land Rover Discovery Sport L550 Expansion Overflow Hose Pipe Line K8D2-8K012-BE

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W0122449AS

Audi S4 B9 S5 B9 3.0 TFSI Petrol Water Hose Radiator Coolant Pipe 8W0122449AS

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR114664

Range Rover Evoque L551 Discovery Sport Radiator Coolant Hose Pipe K8D2-7H255-AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0122101CK

Audi A3 8V 1.6 Diesel Engine Coolant Hose Line Tube Pipe Right O/S 5Q0122101CK

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06L121081AF

Audi A4 B9 A5 F5 A6 A7 C8 A8 D5 Q5 F8 Engine Coolant Hose Pipe Line 06L121081AF

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 165720Q010

Toyota Aygo Mk1 B1 Radiator Outlet Hose Coolant Pipe Line 1.0 Petrol 165720Q010

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6H42-8K515-AA

Range Rover L322 Engine Coolant Pipe Tube Line Hose 3.6 Diesel 6H42-8K515-AA

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. 2284901

Ford Fiesta Mk8 Coolant Water Pipe Hose Tube Line 1.0 Petrol H1BG-8B273-BC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5N0122051BL

Audi Q3 8U Water Hose Cooling Radiator Coolant Pipe Line 5N0122051BL

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6512030902-1

Mercedes W447 OM651 Diesel Water Coolant Pipe Hose Line A6512030902

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6927810

BMW 5 6 Series E60 M5 E63 M6 Engine Flow Auxiliary Water Pump Hose 6927810

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3R0121055

Seat Exeo 3R Water Coolant Hose Pipe Line 2.0 TDI 3R0121055

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121075DK

Audi A8 D4 Coolant Cooling Hose Pipe Line Tube 059121075DK

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8E0121044K

Audi A4 B7 Radiator Coolant Hose Line Pipe Tube Water Cooler 8E0121044K

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR117900

Land Rover Discovery Sport L550 Water Coolant Pipe Hose 2.0 Diesel G4D3-8555-BD

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2515018482

Coolant Hose Mercedes W251 Diesel OM642 Water Pump Radiator Line A2515018482

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8580480

Coolant Hose BMW F40 F45 LCI F48 N47N Radiator Water Cooling Pipe Diesel 8580480

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3400395

BMW X3 Series E83 2.0d M47N2 Water Valve Engine Inlet Coolant Hose 3400395

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1256529

Ford Galaxy Mk2 Engine Cooling Water Hose Tube Pipe Line 3M5Q-8A567-AA 1256529

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6542030102

Mercedes W213 OM654 Diesel Water Coolant Cooling Pipe Line Hose A6542030102

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7E0122051M

Volkswagen Transporter T5 T6 Water Coolant Pipe Hose Tube 2.0 TDI 7E0122051M

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7805600

BMW X5 X6 E70 E71 Radiator Hose Coolant Line Pipe 3.0d 3.0sd Diesel 7805600

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. NZ6P-7H420-FA

Ford Kuga Mk3 Automatic Gearbox Coolant Pipe Hose Line 2,5 Hybrid NZ6P-7H420-FA

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9250564-1

BMW F40 F45 X1 F48 Mini F54 F55 F56 Water Hose Coolant Pipe 9250564 9250566

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0121081BJ

Audi A4 B8 2.0 TDI Radiator Water Coolant Pipe Hose Tube Line 8K0121081BJ

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121071CR

Porsche Macan S 95B 3.0 TDI CTBA Coolant Hose Water Pipe 059121071CR

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 079121071BN

Audi A5 S5 8T 4.2 V8 FSI Solid Coolant Pipe Water Hose Line 079121071BN

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BK3Q-8K512-BA

Ford Transit MK8 2.2 TDCI Water Hose Radiator Coolant Pipe Line BK3Q8K512BA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 83A819371

Audi RSQ3 F3 Engine Cooling Coolant Hose Line Tube Pipe 83A819371

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6928593

BMW E90 E91 E92 E93 LCi M57N2 Water Coolant Radiator Pipe Hose 6928593

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2742000156

Mercedes W204 S205 C218 Coolant Inlet Connection Water Circulation A2742000156

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8675283

BMW F21 LCI F22 LCI F31 LCI Engine Radiator Coolant Hose Tube Line Pipe 8675283

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2538305500

Mercedes W213 S213 Water Hose Cooling Coolant Pipe Line A2538305500

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055010082

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line Right O/S

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7514986

Mini R50 R52 Petrol Engine Water Pump Coolant Crossover Pipe Hose Line 7514986

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6R0121051L

Audi A1 8X Seat Toledo KG Skoda Rapid NH Coolant Hose Pipe Line 6R0121051L

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. C1B1-8K276-AE

Ford Fiesta Mk7 Engine Coolant Hose Pipe Tube Line 1.0 Petrol C1B1-8K276-AE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. MB3G-8C351-PB

VW Volkswagen Amarok Mk2 Engine Coolant Pipe Hose Line Diesel MB3G-8C351-PB

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 46798911

Fiat Panda Mk2 Engine Radiator Coolant Pipe Hose Tube Line 1.1 Petrol 46798911

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 079121481R

Audi RS4 B7 Engine Lower Coolant Pipe Hose Line 4.2 FSI 079121481R

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 420121030A

Audi R8 42 Engine Coolant Pipe Water Hose Cooling Line Tube 420121030A

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2N0122073H

Volkswagen Crafter Mk2 Water Coolant Pipe Hose Line 2.0 TDi Diesel 2N0122073H

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9802099

Coolant Pipe Mini Cooper R60 R61 N18 Water Cooling Hose Line 9802099

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

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