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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Volkswagen Caddy Mk3 Engine Water Coolant Pipe Hose 1.9 TDI 2K0122051

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7P6121157G

Porsche Cayenne S 92A Coolant Hose Pipe Line 7P6122157G

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1112381382

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

€23.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. 52163444

Fiat Ducato 52163444 Engine Coolant Hose Tube Line Pipe 52163444

€23.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. A2475010382

Mercedes W177 Radiator Water Cooling Coolant Pipe Hose Line M260 A2475010382

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1332000582

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

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055011191

Mercedes W205 Water Hose Engine Cooling Coolant Pipe Line Tube A2055011191

€23.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. 52163445

Fiat Ducato Engine Water Coolant Hose Tube Line Pipe 52163445

€32.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. 7N0122073M

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

€28.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. A1332000951

Mercedes W176 M133 A45 AMG Coolant Pipe Hose Line Tube A1332000951

€37.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. A2125280882-1

Mercedes W204 W212 Air Intake Hose Intercooler Charge Pipe Diesel A2125280882

€66.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6542038700

Mercedes W213 OM654 Diesel Water Coolant Cooling Pipe Line Hose A6542038700

€28.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. A2055019001

Mercedes W205 Water Coolant Pipe Hose Line OM654 A2055019001

€32.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. A1775011301

Heater Pipe Mercedes W177 W247 OM654 Water Hose Coolant Pipe Line A1775011301

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 03E121065A

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

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2122701296

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

€113.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. 9368339

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

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5N0122051BL

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

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6512030902-1

Mercedes W447 OM651 Diesel Water Coolant Pipe Hose Line A6512030902

€23.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. 06L133054

Audi A3 8Y Quick Coupling Coolant Flange Air Intake Hose Line Petrol 06L133054

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0121087H

Audi TT 8J Coolant Flange Pipe Hose Line Tube 2.0 FSI Petrol 1K0121087H

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 3R0121055

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

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 52163450

Fiat Ducato Radiator Coolant Hose Tube Line Pipe Sleeve 52163450

€66.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 059121075DK

Audi A8 D4 Coolant Cooling Hose Pipe Line Tube 059121075DK

€28.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. A2515018482

Coolant Hose Mercedes W251 Diesel OM642 Water Pump Radiator Line A2515018482

€23.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. A6542030102

Mercedes W213 OM654 Diesel Water Coolant Cooling Pipe Line Hose A6542030102

€23.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. 83A819371

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

€70.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. A2742000156

Mercedes W204 S205 C218 Coolant Inlet Connection Water Circulation A2742000156

€42.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. A2538305500

Mercedes W213 S213 Water Hose Cooling Coolant Pipe Line A2538305500

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055010082

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

€32.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. 420121030A

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

€56.95

Free delivery: Sep 23 – 24

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: Sep 23 – 24

If paid before 14:00

Part no. 9802099

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

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0121070CM

Volkswagen Golf Mk6 Scirocco Mk3 Audi A3 8P Water Coolant Pipe 1K0121070CM

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055010800

Mercedes W205 Intercooler Water Pipe Radiator Cooling Coolant Hose A2055010800

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8675285

BMW F21 LCI F22 LCI F31 LCI Engine Radiator Water Hose Tube Line Pipe 8675285

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6542032901

Mercedes C118 Water Coolant Pipe Hose Line A6542032901

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2055010182

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line Left N/S A2055010182

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6Q0122101AP-1

Skoda Fabia Mk1 6Y Water Hose Cooling Coolant Pipe Line 1.9 Diesel 6Q0122101AP

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. GK21-8286-BD

Ford Tourneo Custom Radiator Coolant Hose Tube Line Pipe GK21-8286-BD

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4G0122445L

Audi A6 C7 A7 4G Coolant Cooling Pipe Hose Line Petrol Engine 4G0122445L

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04L121064F

Audi A1 8X Q3 8U Engine Coolant Hose Pipe Line Tube 1.6 TDi Diesel 04L121064F

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0122101CM-1

Audi A3 8V 35 TDI DFGA Water Coolant Hose Line Pipe Tube 5Q0122101CM

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 52163448

Fiat Ducato Radiator Coolant Hose Tube Line Pipe Sleeve 52163448

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 059131425A

Audi Q5 8R Water Cooling Coolant Pipe Line Connector Bracket 059131425A

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8W0819332E

Audi A4 S4 B9 3.0 TFSI Water Hose Cooling Engine Coolant Pipe Line 8W0819332E

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2742000115

Coolant Hose Mercedes W204 C207 W212 M274 Thermostat Line Pipe A2742000115

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8853292

BMW F20 F21 F22 F32 Turbo Coolant Feed Line Pipe Hose Tube 8853292

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. GK2Q-8N039-AB

Ford Transit Custom Water Coolant Pipe 2.0 TDCi Diesel GK2Q-8N039-AB

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 46806287

Fiat Panda Mk2 Engine Radiator Coolant Hose Tube Pipe Line 1.1 Petrol 46806287

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6C0122101AC-1

Audi A1 8X Engine Water Coolant Pipe Hose Line Tube 1.4 TSI CZCA 6C0122101AC

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 420121082B

Audi R8 42 Engine Coolant Pipe Water Hose Cooling Line Tube 420121082B

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1715010082

Mercedes R171 M272 Petrol Engine Radiator Hose Expansion Tank Line A1715010082

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0122109CM

Volkswagen Golf Mk6 Scirocco Mk3 Water Coolant Pipe Hose 1.6 TDI 1K0122109CM

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7P0121065AC-1

Volkswagen Touareg 7P Preheater Pipe Hose Line 3.0 TDI 7P0121065AC

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8853293

BMW F20 F21 F32 N20 Turbo Charger Coolant Return Line Pipe Hose Tube 8853293

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6542031802

Mercedes W177 Engine Coolant Hose Pipe Tube Line 2.0 Diesel 654920 A6542031802

€66.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. L8D2-7H256-AC

Land Rover Discovery Sport L550 Water Coolant Pipe Hose 1.5 PHEV L8D2-7H256-AC

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0122101CC-1

Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line Tube 1K0122101CC

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. AH22-7752-AC

Land Rover Discovery 4 L319 Coolant Water Pipe Hose 3.0 Diesel AH22-7752-AC

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6902683

BMW 3 Series E46 Hose Engine Inlet Diesel Water Pump 6902683

€25.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9208183

BMW F30 F32 LCI 330d 335dX 430d 435dX Engine Radiator Return Coolant Hose Pipe

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6C11-8W005-AL

Ford Transit Mk7 Water Coolant Hose Expansion Tank Radiator Pipe 6C11-8W005-AC

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. YC1Q-8A544-AC

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

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2468302796

Mercedes W176 W246 OM651 Radiator Water Coolant Hose Engine Cooling A2468302796

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

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