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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Radiator Hose Mercedes W204 M272 Coolant Right Radiator Water Line A2045010482

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6R0122051BR

Water Hose Audi A1 S1 8X 2.0 Cooling Radiator Coolant Pipe Line 6R0122051BR

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7830714

BMW E46 Engine Cooling Water Radiator Coolant Tube Pipe Hose Line 7830714

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6398324823

Mercedes W639 Heat Exchanger Water Coolant Hose Pipe A6398324823

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A4535013482

Smart ForTwo C453 1.0 Petrol Heater Matrix Exchange Pipe Hose Line A4535013482

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6Q0122051BR

Skoda Fabia Mk2 Water Hose Radiator Coolant Return Pipe Line Petrol 6Q0122051BR

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7848500-1

Coolant Hose BMW F80 M3 F82 M4 S55 Water Pump Cooling Pipe Line 7848500

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 04E103474G

Audi A3 8V Tank Crankcase Breather Vent Pipe Line 04E103474G

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 99610661153

Porsche Carrera 996 Coolant Water Hose Pipe Feed Line 9603 Petrol 99610661153

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03G121065H

Volkswagen Golf MK5 Audi A3 8P Seat Skoda Diesel Engine Coolant Pipe 503G121065H

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A9078306901

Mercedes W907 Auxiliary Water Pump Coolant Hose Line Pipe 9078306901

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7P6129572

Porsche Cayenne 92A Air Intake Hose Pipe Line 4.2 TDI Diesel Right O/S 7P6129572

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055061535

Mercedes W205 Hybrid Water Hose Radiator Coolant Cooling Pipe Line A2055061535

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A4534700564

Smart Fortwo C453 Radiator Overflow Coolant Water Pipe Hose Line A4534700564

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2058300001

Mercedes W205 Water Hose Cooling Radiator Coolant Pipe Line A2058300001

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 057121073C

Audi Q7 4L 4.2 TDI Coolant Hose Pipe Hose Line 057121073C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2135010401

Mercedes W213 S213 C238 Coolant Hose Pipe Line A2135010401

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7838756-1

BMW M3 E46 Z4 E85 E86 Coolant Return Pipe Water Line S54 Petrol 7831527

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6542032801-1

Mercedes W177 W247 C118 Coolant Hose Water Line OM654 Diesel A6542032801

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 982121625B

Porsche 718 Boxster 982 Water Coolant Hose Pipe Line 2.0 Petrol 982121625B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6512032282

Mercedes W204 W212 OM651 Engine Water Pipe Cooling Coolant Hose A6512032282

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0122051B

Skoda Octavia 5E Audi A3 8V VW Golf VII Water Coolant Hose Pipe Line 5Q0122051B

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 079121071BB

Audi RS4 B7 Radiator Coolant Hose Pipe Line A079121071BB

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7548240

BMW E81 E82 E87 Hose Cooling System Pipe Return Line Thermostat Heating 7548240

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CPLA-9F287-DB

Range Rover L405 Heat Exchanger Water Coolant Cooling Hose Pipe CPLA-9F287-DB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. JT76-8C351-CG

Ford Transit Connect Engine Thermostat Hose Tube Line Pipe SFCA JT76-8C351-CG

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KK21-8B273-BD

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

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. M8B2-8464-BB

Range Rover Defender L663 Coolant Expansion Bottle Hose Line Tube M8B2-8464-BB

€85.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0121101CP-1

Volkswagen Golf Mk6 1.6 TDI Water Hose Cooling Coolant Pipe Line 1K0121101CP

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1765010000-1

Coolant Hose Mercedes W176 C117 CLA A45 AMG Petrol M133 Water Line A1765010000

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 982265381C

Porsche 718 Boxster 982 Water Coolant Hose Pipe Line 2.0T 982265381C

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8514071

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. C1B1-8C012-AD

Ford Fiesta Mk7 Coolant Overflow Pipe 1.0 EcoBoost Petrol C1B1-8C012-AD

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CC11-18K579-BB

Ford Transit Mk7 Water Coolant Pipe Hose Line 2.2 Diesel CC1118K579BC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 123250Y010

Toyota Yaris P9 Engine Coolant Hose Tube Line Pipe 1.33 Petrol 123250Y010

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR084066

Land Rover Discovery Sport L550 Engine Water Pipe Hose Line 2.0 G4D3-5H370-BD

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K1819350AQ

Audi A4 S4 B8 Water Hoses Cooling Coolant Radiator Pipes 3.0 TFSI 8K1819350AQ

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2742000751

Mercedes W204 Coolant Pipe M274 Petrol Coolant Water Pump Line A2742000751

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR125620

Range Rover Sport L494 Turbocharger Coolant Pipe Hose 3.0D MHEV K6D3-8K598-DD

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9P1121624

Porsche 718 Boxster 982 Water Radiator Hose Pipe Right O/S 2.0T 9P1121624

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BK31-8C351-BA

Ford Transit Mk7 2.4L Duratorq-TD Coolant Hose Pipe Line BK31-8C351-BA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. C1B1-18K580-BD

Ford Fiesta Mk7 Water Coolant Hose Pipe Line 1.0 EcoBoost C1B1-18K580-BD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2538302400

Mercedes C253 Air Conditioning Heater Pipe Hose Line A2538302400

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6082000052

Mercedes W177 Coolant Hose Radiator Cooling Water Pipe Line A6082000052

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03L121157AA

Audi A4 B8 A5 8T Water Hose Cooling Radiator Pipe Line 2.0 TDI 03L121157AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR125478

Range Rover Sport L494 Turbocharge Coolant Pipe Hose Line 3.0D K6D3-310100-CD

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5K0122051N

Volkswagen Beetle Scirocco III 2.0 TDI Water Radiator Pipe Hose Line 5K0122051N

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6512000182

Water Hose Mercedes W176 W246 Diesel OM651 Cooling Coolant Pipe A6512000182

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06E121045E

Audi A4 B7 Water Hose Radiator Coolant Pipe Line Tube 3.2 TFSI 06E121045E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03L121071B

Coolant Pipe Audi A4 B8 A5 8T 2.0 TDI Water Cooling Line 03L121071B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 07L121070Q

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3B0122291B

Audi A1 GB A3 S3 VW Golf 5G Coolant Water Pipe Connector Coupling 3B0122291B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7526391

BMW 1 Series E81 E87 E87N Radiator Bottom Hose Pipe 116i N45 N45N 7526391

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1469442-1

Ford Transit Mk7 Water Hose Engine Cooling Radiator Coolant Pipe 6C11-8B273-BG

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8580476

Coolant Hose BMW F40 F48 Mini F55 F56 B37B Radiator Water Coolant Pipe 8580476

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7646896-1

Coolant Hose Mini Cooper S F56 B48 Expansion Tank To Cylinder Head Line 7646896

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2Q0121049CL

Seat Arona KJ7 Skoda Scala NW1 Water Coolant Hose Pipe 1.0 TFSI 2Q0121049CL

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6984739

BMW Z4 E85 E86 Cooling Hose Pipe Line Coolant 6984739

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 982121101A

Porsche 718 Boxster 982 Coolant Water Feed Pipe Hose Line 2.0T 982121101A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8573715

Water Hose BMW F20 F30 F31 F10 F11 LCI B47 EGR Cooler Coolant Pipe Line 8573715

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2058301102

Mercedes W205 Engine Coolant Hose Pipe Tube Line A2058301102

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. C1B1-18K579-EA

Ford Fiesta Mk7 Water Coolant Hose Pipe Line C1B1-18K579-EA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6G91-8K012-ND

Land Rover Range Rover Sport L320 Coolant Overflow Pipe Hose Line 6G91-8K012-ND

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BK3118K580AD

Ford Transit Mk8 Water Hose Engine Cooling Coolant Pipe Diesel BK3118K580AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1935535

Ford Transit Custom Mk8 Water Coolant Pipe Hose Line 2.0 EcoBlue GK2Q-8B451-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0122109AL

Audi A5 8T Engine Water Coolant Pipe Cooling Hose Line 2.0 Petrol 1K0122109AL

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2468304396

Mercedes W176 OM607 Diesel Water Coolant Hose Line Tube Pipe A2468304396

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 95810655140

Porsche Cayenne 92A Water Coolant Pipe Hose Line 4.2 V8 95810655140

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0122109-1

VW Scirocco Mk3 Audi A3 8P Water Coolant Hose Pipe Line 2.0 TFSI 1K0122109CM

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 982121030

Porsche 718 Boxster 982 Coolant Water Hose Pipe Line 2.0T 982121030

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7607841

BMW F07 F10 F11 Engine Water Coolant Pipe Hose Line N55 Petrol 7607841

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. JT76-8B550-CE

Ford Transit Connect Engine Hose Tube Line Pipe 1.0 EcoBoost JT76-8B550-CE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2045010382

Mercedes W204 W207 Cooling Water Radiator Hose A2045010382

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6398320423

Water Hose Mercedes Vito Viano W639 Cooling Coolant Pipe Line A6398320423

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GK21-8C351-BC

Ford Transit Custom Mk1 Water Coolant Cooling Pipe Hose Line GK21-8C351-BC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2045010282

Water Pipe Mercedes W204 M271 Engine Cooling Radiator Coolant Hose A2045010282

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8J0121051Q-1

Audi TT Mk2 8J Water Coolant Pipe Hose Line 2.0 TDI Diesel Engine 8J0121051Q

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L0815987E

Audi Q7 4L Auxiliary Water Heater Feed Coolant Pipe Hose Diesel 7L0815987E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GJ32-8C480-AA

Land Rover Discovery Sport L550 Water Coolant Pipe Hose Line 2.0 D GJ32-8C480-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR051517

Range Rover Sport L494 Air Conditioning Pipe Hose Tube Line 3.0 Diesel LR051517

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 872090D150

Toyota Yaris P9 Water Heater Outlet Hose Tube Line Pipe 1.33 Petrol 872090D150

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9896554

BMW F70 F74 U06 U10 U11 Heat Management Module Line Tube Hose Pipe 9896554

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1635000075

Mercedes W163 Engine Water Circulation Hose Tube Line Pipe ML 350 A1635000075

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1728302196

Mercedes R172 M274 Engine Distributor Tube Pipe Line Hose A1728302196

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. PIH500091

Land Rover Discovery 3 L319 Fuel Cooler Pipe Hose Line 2.7 PIH500091

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8J0121156A

Audi TTS 8J Radiator Coolant Hose Pipe Tube Line 2.0 TFSI Petrol 8J0121156A

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03C121070M

Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C121070M

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8200801589

Opel Vivaro 2.0 DCI Diesel Water Coolant Hose Line Pipe 8200801589

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055018184

Mercedes W205 C43 Oil Cooler Water Pipe Coolant Hose Line M276 V6 A2055018184

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7H0121051G

VW Transporter T5 1.9 TDI Coolant Radiator Bottom Hose Pipe Line 7H0121051G

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2534057

Ford Transit Custom Heater Coolant Pipe Hose Line 2.0 EcoBlue GK21-18K579-BH

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. G4D3-8555-BC

Land Rover Discovery Sport L550 Water Coolant Pipe Hose Line 2.0 G4D3-8555-BC

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2048301396

Mercedes W204 M272 Coolant Heater Hose Heating Water Line A2048301396

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 04L121101

Volkswagen Passat B8 Coolant Water Hose Pipe 2.0 TDI 04L121101

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06E121083N

Audi A4 S4 B8 3.0 TFSI Water Hose Coolant Pipe Line Tube 06E121083N

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8R0121101G

Audi A4 B8 A5 Water Coolant Hose Pipe Line 8R0121101G

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121507AB

Audi A5 8T Engine Coolant Cooling Hose Pipe Line 3.0 TDI Diesel 059121507AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 99610612654

Porsche Boxster 986 Engine Coolant Water Breather Pipe Right O/S 99610612654

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06D121492J

Audi A4 B7 A6 C6 Engine Coolant Pipe Hose Tube Line 2.0 BWE Petrol 06D121492J

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

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