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

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2048301396

Mercedes W204 M272 Coolant Heater Hose Heating Water Line A2048301396

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L121101

Volkswagen Passat B8 Coolant Water Hose Pipe 2.0 TDI 04L121101

€23.95

Free delivery: Sep 14 – 15

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: Sep 14 – 15

If paid before 14:00

Part no. 8R0121101G

Audi A4 B8 A5 Water Coolant Hose Pipe Line 8R0121101G

€23.95

Free delivery: Sep 14 – 15

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: Sep 14 – 15

If paid before 14:00

Part no. 99610612654

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

€32.95

Free delivery: Sep 14 – 15

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: Sep 14 – 15

If paid before 14:00

Part no. 6R0122109G

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2030412

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

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2389626

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8J0121051Q

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

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6G91-8260-PC

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7645483

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2722030782-1

Mercedes S212 C207 Coolant Hose EGR Line Water Circulation A2722030782

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 079121070T

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

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4F0121081G

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7649278

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

€51.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1772030064

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

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9317617

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7605151

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

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4K2819347F

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

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0122051CM

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K1819350AB

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2575012900

Bleed Line Mercedes W213 Diesel M656 Coolant Water Hose A2575012900

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8489616

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

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1384148

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8J0121157A

Audi TT TTS 8J Engine Coolant Hose Tube Line Quick Coupling 8J0121157A Automatic

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9800478

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8573716

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2055017184

Mercedes W205 Radiator Water Coolant Hose Pipe M276 Petrol Left N/S A2055017184

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2055002500

Mercedes W205 Heater Water Cooling Coolant Pipe Hose Line M264 A2055002500

€32.95

Free delivery: Sep 11 – 15

If paid before 14:00

Part no. 079121070BS

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LR072035

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1384597

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7809821

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2754203

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7640917

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 079121065P

Audi A4 B7 4.2 V8 Petrol Coolant Pipe Cooler Water Hose 079121065P

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2045011682

Mercedes W212 Radiator Coolant Hose Pipe Engine Cooling A2045011682

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8489617

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K0819377C

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1330106800

Mercedes C117 W176 AMG Water Coolant Pipe Hose Line M133 A1330106800

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7605432

BMW F01 LCI F12 F13 Coolant Hose Petrol N55 Thermostat Inlet Pipe 7605432

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0122447GC

Skoda Octavia RS 1Z 1.8 BZB Petrol Engine Coolant Hose Line Tube 1K0122447GC

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4K0122101AT

Audi A6 C8 Water Pipe Hose Line Cooling Coolant 4K0122101AT

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 059121737AR

Audi A6 C8 A7 4G Q7 4M Coolant Control Regulating Valve 3.0 Diesel 059121737AR

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1J0122051H

VW Volkswagen Golf Mk3 Radiator Coolant Hose Pipe Line Tube 1J0122051H

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9230749

BMW Mini Cooper R55 R56 R57 LCI R58 R59 N47N Water Pipe Coolant Hose 9230749

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7572158

BMW E46 E87 E90 E91 Petrol N42 N45 N46 Cooling System Radiator Water Hose Pipe

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5A30C15

BMW X1 U11 Water Coolant Feed Line Radiator Pump Hose Line B38X 5A30C15

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2134300229

Mercedes W253 W213 C238 Coolant Hose Line Tube Pipe A2134300229

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. BK3Q8K512BB

Ford Transit Engine Water Coolant Pipe Cooling Hose Line BK3Q8K512BB

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LR001264

Land Rover Freelander 2 L359 Engine Breather Pipe Hose 2.2 Diesel 6G9Q-6A664-BA

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0122073GF

Audi A3 8P Water Hose Cooling Coolant Radiator Pipe Line 1K0122073GF

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. PIH500101

Land Rover Discovery 3 L319 Water Coolant Pipe Hose Line 2.7 PIH500101

€51.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. JHB501670-1

Land Rover Discovery 4 L319 Water Coolant Pipe Hose Line Set 2.7 V6 JHB501670

€51.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LK62-4090-AC

Land Rover Discovery Sport L550 Vacuum Pipe Hose Line 2.2 Diesel LK62-4090-AC

€104.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7515486-1

BMW Mini Cooper One R50 W10 Coolant Water Hose Pipe Expention Tank 7515486

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5A0C5A6

BMW F70 F74 U06 U10 U11 U12 Mini F65 F66 Coolant Hose Pipe Tube Line 5A0C5A6

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7P5422881M

Porsche Cayenne S 92a Coolant Pipe Hose Tube Line 7P5422881M

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06A121133J

Audi TT Mk1 Engine Coolant Flange Water Housing 1.8T Petrol 06A121133J

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7605150

BMW F01 LCI F06 F12 F13 N55 Water Coolant Pipe Hose Line 7605150

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9V61-8286-CC

Ford Kuga C520 Engine Coolant Pipe Hose Tube Line 2.0 TDCi Diesel 9V61-8286-CC

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5N0122101BB

VW Volkswagen Tiguan Mk1 2.0 TDI Water Coolant Pipe Hose 5N0122101BB

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7L8121070BG

Audi Q7 4L Water Coolant Pipe Hose Line 3.0 TDI 7L8121070BG

€47.95

Free delivery: Sep 11 – 15

If paid before 14:00

Part no. 2517705

Ford Transit Custom Engine Cooling Radiator Coolant Pipe Hose GK2Q-8A589-AC

€42.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8514442

BMW X3 F25 B47 Diesel Coolant Pump Water Hose Electric Changeover Valve 8514442

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. QEH500443

Land Rover Discovery 3 L319 Water Coolant Pipe Hose Line 2.7 QEH500443

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 059121064N

Audi A6 C8 Q5 FY Q7 4M Water Hose Coolant Pipe Line 3.0 TDI 059121064N

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06E121045AS

Audi A4 S4 B8 S5 8T Water Hose Radiator Coolant Pipe Line 3.0 TFSI 06E121045AS

€61.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7E0121101B-1

Volkswagen Transporter T5 Coolant Hoses Water Cooling Pipe 2.0 TDI 7E0121101B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7617366

Mini Cooper F55 F56 F57 Cooling Radiator Expansion Tank Coolant Hose Pipe

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 059122471AB

Audi Q7 4M Q8 Mk1 Engine Coolant Hose Line Tube Pipe Set 3.0 Diesel 059122471AB

€94.95

Free delivery: Sep 11 – 15

If paid before 14:00

Part no. 4K0819374Q

Audi A6 C8 Engine Coolant Pipe Water Hose Cooling Line Tube 4K0819374Q

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. GJ32-8286-BB

Land Rover Discovery Sport L550 Coolant Hose Pipe Line GJ32-8286-BB

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LR076780

Land Rover Discovery Sport L550 Water Coolant Hose Pipe Tube Line G4D3-8A512-CB

€80.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1904760

Ford Focus Mk3 Kuga Mk2 Water Coolant Pipe Hose 2.0 Diesel 1904760

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6C11-8W005-FB

Ford Transit Mk7 Water Hose Engine Cooling Radiator Coolant Pipe 6C11-8W005-FB

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2722030182

Mercedes W204 W212 Coolant Cooling Hose Pipe Line M272 Engine A2722030182

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7N0820721

Volkswagen Sharan 7N A/C Air Con Refrigerant Hose Pipe Line 7N0820721

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8514437

Water Hose BMW F20 F30 F31 F10 F11 LCI B47 EGR Cooler Coolant Pipe Line 8514437

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 98710627002

Porsche Cayman 987 Coolant Hose Feed Pipe Line Tube 98710627002

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2762001051

Mercedes W212 M276 Petrol Coolant Water Pipe Hose Line Tube A2762001051

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LR013691

Land Rover Discover L319 Fuel Cooler Outlet Pipe Coolant Hose AH228D010AC

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7599450

BMW E90 LCI E91 LCI E92 LCI Radiator Water Cooling Hose Pipe Tube Line 7599450

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L121131AB-1

VW Tiguan 5N Coolant Water Flange Housing Connector 2.0 TDI 04L121131AB

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2468304900-1

Water Coolant Hose Mercedes W176 Diesel Water Pump Pipe Line A2468304900

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6C0122051AE

Audi A1 8X 1.4 TFSI CZCA Coolant Hose Line Tube Pipe 6C0122051AE

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A1668304096

Hose Mercedes W166 M276 Coolant Heater Hose Heating Water Line A1668304096

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5A30C14

BMW U06 X1 U11 Water Coolant Feed Line Radiator B38X 5A30C14

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8654850

BMW G20 G21 Charger Electronics Coolant Circuit Hose Tube Line Pipe 8654850

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03L201360G

Volkswagen Tiguan 5N Fuel Injection Line Pressure Pipe Rail Injector 03L201360G

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6Y0122157B

VW Volkswagen Polo 9N Coolant Hose Tube Line Pipe 1.2 Petrol BMM 6Y0122157B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8G91-18K580-AC

Ford Mondeo Mk4 Heater Water Hose Line Coolant Pressure Pipe 8G91-18K580-AC

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9236675

Coolant Hose BMW X3 F25 X4 F26 Diesel Heater Water Return Pipe Line 9236675

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7531581

Thermostat Coolant Pipe BMW E87 E90 E91 Hose Radiator Bottom 7531581

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03G121473

Audi A4 S4 Avant 8E Water Coolant Pipe Hose 2.0 Diesel Engine Vent 03G121473

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5A0C594

BMW X1 U11 Electric Pump Coolant Hose Line Pipe 5A0C594

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

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