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

€23.95

Part no. LR084066

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

€28.95

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

€23.95

Part no. A2742000751

Mercedes W204 Coolant Pipe M274 Petrol Coolant Water Pump Line A2742000751

€47.95

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

€113.95

Part no. 9P1121624

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

€23.95

Part no. BK31-8C351-BA

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

€23.95

Part no. C1B1-18K580-BD

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

€23.95

Part no. A2538302400

Mercedes C253 Air Conditioning Heater Pipe Hose Line A2538302400

€23.95

Part no. A6082000052

Mercedes W177 Coolant Hose Radiator Cooling Water Pipe Line A6082000052

€70.95

Part no. 03L121157AA

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

€23.95

Part no. LR125478

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

€75.95

Part no. 5K0122051N

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

€28.95

Part no. A6512000182

Water Hose Mercedes W176 W246 Diesel OM651 Cooling Coolant Pipe A6512000182

€23.95

Part no. 06E121045E

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

€23.95

Part no. 03L121071B

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

€23.95

Part no. 07L121070Q

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

€23.95

Part no. 3B0122291B

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

€23.95

Part no. 7526391

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

€23.95

Part no. 1469442-1

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

€23.95

Part no. 8580476

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

€42.95

Part no. 7646896-1

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

€32.95

Part no. 2Q0121049CL

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

€66.95

Part no. 6984739

BMW Z4 E85 E86 Cooling Hose Pipe Line Coolant 6984739

€23.95

Part no. 982121101A

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

€23.95

Part no. 8573715

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

€32.95

Part no. A2058301102

Mercedes W205 Engine Coolant Hose Pipe Tube Line A2058301102

€23.95

Part no. C1B1-18K579-EA

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

€23.95

Part no. 6G91-8K012-ND

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

€23.95

Part no. BK3118K580AD

Ford Transit Mk8 Water Hose Engine Cooling Coolant Pipe Diesel BK3118K580AD

€23.95

Part no. 1935535

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

€23.95

Part no. 1K0122109AL

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

€23.95

Part no. A2468304396

Mercedes W176 OM607 Diesel Water Coolant Hose Line Tube Pipe A2468304396

€32.95

Part no. 95810655140

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

€23.95

Part no. 1K0122109-1

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

€23.95

Part no. 982121030

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

€28.95

Part no. 7607841

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

€23.95

Part no. JT76-8B550-CE

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

€23.95

Part no. A2045010382

Mercedes W204 W207 Cooling Water Radiator Hose A2045010382

€28.95

Part no. A6398320423

Water Hose Mercedes Vito Viano W639 Cooling Coolant Pipe Line A6398320423

€23.95

Part no. GK21-8C351-BC

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

€23.95

Part no. A2045010282

Water Pipe Mercedes W204 M271 Engine Cooling Radiator Coolant Hose A2045010282

€23.95

Part no. 8J0121051Q-1

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

€23.95

Part no. 7L0815987E

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

€23.95

Part no. GJ32-8C480-AA

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

€23.95

Part no. LR051517

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

€47.95

Part no. 872090D150

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

€23.95

Part no. 9896554

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

€42.95

Part no. A1635000075

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

€23.95

Part no. A1728302196

Mercedes R172 M274 Engine Distributor Tube Pipe Line Hose A1728302196

€23.95

Part no. PIH500091

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

€47.95

Part no. 8J0121156A

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

€32.95

Part no. 03C121070M

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

€23.95

Part no. 8200801589

Opel Vivaro 2.0 DCI Diesel Water Coolant Hose Line Pipe 8200801589

€23.95

Part no. A2055018184

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

€23.95

Part no. 7H0121051G

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

€23.95

Part no. 2534057

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

€66.95

Part no. G4D3-8555-BC

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

€28.95

Part no. A2048301396

Mercedes W204 M272 Coolant Heater Hose Heating Water Line A2048301396

€23.95

Part no. 04L121101

Volkswagen Passat B8 Coolant Water Hose Pipe 2.0 TDI 04L121101

€23.95

Part no. 06E121083N

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

€37.95

Part no. 8R0121101G

Audi A4 B8 A5 Water Coolant Hose Pipe Line 8R0121101G

€23.95

Part no. 059121507AB

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

€23.95

Part no. 99610612654

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

€32.95

Part no. 06D121492J

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

€28.95

Part no. 6R0122109G

Coolant Hose VW Polo 6R Seat Ibiza 6J 1.2 TSI Petrol CBZB Water Line 6R0122109G

€23.95

Part no. 1K0121049CA-1

Audi A3 8P Engine Cooling Radiator Water Coolant Pipe 1.4 TFSI CAXC 1K0121049CA

€23.95

Part no. PZ31-8B274-PAD

Ford Transit Custom Water Coolant Hose Pipe 2.0 Diesel PZ31-8B274-PAD

€42.95

Part no. 2030412

Ford Ranger Wildtrack Mk6 Water Hose Engine Coolant Pipe 3.2 TDCI AB39-6B850-BE

€37.95

Part no. 2389626

Ford Transit Custom Mk8 Water Coolant Pipe Hose Line 2.0 EcoBlue JK21-8D036-BA

€23.95

Part no. 8J0121051Q

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

€32.95

Part no. 6G91-8260-PC

Ford Galaxy Mk2 Water Coolant Pipe Hose Line Tube 2.0 TDCi Diesel 6G91-8260-PC

€23.95

Part no. 7645483

Water Hose BMW F45 225xe Mini F60 SE ALL4 B38X Coolant Pipe Line 7645483

€23.95

Part no. A2722030782-1

Mercedes S212 C207 Coolant Hose EGR Line Water Circulation A2722030782

€32.95

Part no. 079121070T

Audi A4 B7 4.2 V8 Coolant Pipe Hose Line Tube Cooling 079121070T

€32.95

Part no. 4F0121081G

Audi A6 C6 Water Hose Coolant Cooling Tube Pipe Line 2.7 Diesel 4F0121081G

€23.95

Part no. 7649278

BMW F07 GT F10 LCI F11 Water Coolant Pipe Hose Line Petrol Engine 7649278

€28.95

Part no. A1772030064

Mercedes W205 C63 AMG Water Coolant Line Shut-Off Valve M177 A1772030064

€32.95

Part no. 9317617

Water Hose BMW X3 F25 X4 F26 B47 Coolant Expansion Tank Pipe Line 9317617

€23.95

Part no. 7605151

BMW F01 LCI F12 F13 Coolant Hose Petrol N55 Cooling Unit Pipe Line 7605151

€47.95

Part no. 4K2819347F

Audi A6 C8 Coolant Hose Line Pipe Tube Engine Cooling 4K2819347F

€32.95

Part no. 1K0122051CM

Audi S3 8P Water Hose Cooling Coolant Radiator Pipe Line 1K0122051CM

€23.95

Part no. 8K1819350AB

Audi A4 B8 A5 8T Heater Matrix Connecting Pipe Coolant Hose Tube 8K1819350AB

€23.95

Part no. A2575012900

Bleed Line Mercedes W213 Diesel M656 Coolant Water Hose A2575012900

€32.95

Part no. 8489616

BMW U06 U10 F70 Mini U25 Turbocharger Coolant Feed Line Hose Pipe Tube 8489616

€32.95

Part no. 1384148

Ford Focus Titanium Hose Water Pipe Line Tube 2.0 Petrol 1384148 3M5H-8286-DH

€23.95

Part no. 9800478

BMW Mini Cooper S Countryman R60 Paceman R61 N18 Coolant Radiator Hose 9800478

€23.95

Part no. 8573716

Water Hose BMW X3 F25 X4 F26 B47 Coolant Cooling Pipe Line 8573716

€23.95

Part no. 1921071

Ford Kuga Mk2 C520 Coolant Water Pipe Hose Line 1.5 Ecoboost F1F1-8260-EE

€23.95

Part no. A2055002500

Mercedes W205 Heater Water Cooling Coolant Pipe Hose Line M264 A2055002500

€32.95

Part no. 079121070BS

AUDI S5 8T 4.2 Petrol CAUA Coolant Pipe Right O/S Cooler Water Hose 079121070BS

€23.95

Part no. LR072035

Land Rover Discovery Sport L550 Engine Cooling Water Hose Pipe Line GJ328260AA

€23.95

Part no. 1384597

Ford Transit Mk7 Engine Cooling Hose Tube Pipe Line 1384597 6C11-8C351-AD

€23.95

Part no. 7809821

Coolant Hose BMW F10 F11 N47N Radiator Water Cooling Pipe Diesel 7809821

€23.95

Part no. 2754203

Mini Cooper One R55 R56 R57 R59 Radiator Coolant Pipe Hose Petrol 2754203

€23.95

Part no. 7640917

Coolant Hose BMW F10 F11 N20 520i 528i Radiator Water Cooling Pipe 7640917

€23.95

Part no. A2045011682

Mercedes W212 Radiator Coolant Hose Pipe Engine Cooling A2045011682

€23.95

Part no. 8489617

BMW U06 U10 F70 Mini U25 Engine Coolant Return Line Hose Pipe Tube 8489617

€23.95

Part no. 8K0819377C

Audi A5 8T Radiator Water Cooling Coolant Pipe Hose Line Diesel 8K0819377C

€23.95

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