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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Coolant Return Hose BMW F30 LCI 330e B48X Radiator Cooling Line Pipe 8673023

£56.95

Free delivery: Oct 23

If paid before 14:00

Part no. 9334689

BMW F30 F31 F87 M2 N55 Suction Pipe Evaporator Compressor Line R134A 9334689

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8514079

Coolant Hose BMW F20 F21 LCI Expansion Tank Pipe Radiator B37 Diesel 8514079

£32.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2128305496

Water Hose Mercedes W212 CLS C218 OM651 Cooling Coolant Pipe Line A2128305496

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. A4638203789

Mercedes W212 Radio Antenna Splitter Control Unit Module A4638203789

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 9896566

Mini F55 F56 F57 F60 Heater Water Cooling Coolant Pipe Hose Line 9896566

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 05C122447J

Seat Ibiza Mk5 KJ1 VW Golf Mk8 Water Coolant Pipe Hose 1.0 TSI Petrol 05C122447J

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 72344265

BMW F30 Coolant Hose Radiator Cooling Water Pipe Line 72344265

£32.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7848505

Coolant Hose BMW F80 M3 F82 M4 S55 Petrol Turbo Cooling Pipe Line 7848505

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 1K0122109BT

Volkswagen Golf Mk5 Audi A3 8P Water Hose Cooling Coolant Pipe Line 1K0122109BT

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 06H103221J

Audi A3 8P A4 B8 Ventilation Breather Pipe Hose Line 1.8 TFSI 06H103221J

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 1K0122051GL

Audi S3 8P VW Golf VI Water Coolant Hose Radiator Pipe Line 2.0 TFSI 1K0122051GL

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A1332030002

Mercedes W176 A45 AMG Coolant Hose Cooling Water Pipe Line A1332030002

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2058301701

Mercedes W205 W213 W238 Cooling Engine Water Coolant Hose Pipe A2058301701

£32.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7648644

Coolant Hose BMW F20 F30 F32 F36 N55 Petrol Engine Radiator Water Hose 7648644

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. A4475014700

Mercedes Vito W447 Water Pipe Coolant Cooling Hose Line Heater Valve A4475014700

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8K0121109AA

Water Hose Audi A5 8T A4 B8 Cooling Coolant Radiator Pipe Line 8K0121109AA

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A1645005875

Mercedes W164 X164 Radiator Cooling Coolant Hose Pipe Line A1645005875

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 059121102C

Audi A4 B8 A5 8T A6 C6 Coolant Hose Line Tube Pipe 3.0 TDI 059121102C

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A1775017402

Mercedes CLA C118 W177 W247 M282 Water Coolant Pipe Hose Line A1775017402

£32.95

Free delivery: Oct 23

If paid before 14:00

Part no. 06F121056C

Audi A1 8X A3 8P TT 8J VW Golf Mk5 Water Coolant Hose Pipe Line 06F121056C

£42.95

Free delivery: Oct 23

If paid before 14:00

Part no. A9075010900

Mercedes W907 OM654 Water Pipe Engine Coolant Cooling Hose Line A9075010900

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 03F133514F

Volkswagen Polo 6R Water Radiator Pipe Hose Coolant Cooling Line 03F133514F

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 1K0121086T

Audi A3 8P 1.9 TDI Diesel Coolant System Rubber Hose Pipe Line 1K0121086T

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. GK21-8260-BC

Ford Transit Custom Mk8 Radiator Water Coolant Pipe Hose Line GK21-8260-BC

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2055010182

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

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. BK21-9Y438-BC

Ford Transit Mk8 Water Coolant Pipe Hose Line 2.2 TDCi Diesel BK21-9Y438-BC

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. A1775014802

Coolant Hose Mercedes CLA C118 W177 W247 M282 Cooling Pipe Line A1775014802

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2475010425

Bleed Line Mercedes W118 W177 W247 Coolant Expansion Tank Hose A2475010425

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2712000315

Mercedes W204 Coolant Cooler Water Thermostat A6512002700

£75.95

Free delivery: Oct 23

If paid before 14:00

Part no. GJ32-8C012-AA

Land Rover Discovery Sport L550 Water Coolant Pipe Hose Line 2.0 GJ32-8C012-AA

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2055011700

Mercedes W205 Water Hose Engine Coolant Cooling Pipe Line A2055011700

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8W0121400B

Audi A4 B9 Oil Coolant Hose Pipe Line Tube 8W0121400B

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 06E121044L

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

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 03L121157AE-1

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

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 2754203

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

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7593513

BMW F10 F11 F01 LCI F07 N55 Petrol Water Hose Coolant Pipe Line 7593513

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7N0121049D

Volkswagen Sharan 7N Water Coolant Hose Pipe Line 1.4 Petrol Engine 7N0121049D

£37.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2742002051

Coolant Pipe Mercedes W213 X253 M274 Engine Cooling Feed Water Hose A2742002051

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 5A30C26

BMW X1 U11 B38X Electric Coolant Pump Pipe Hose Line 5A30C26

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7C0121487E-1

VW Volkswagen Crafter SY Water Hose Cooling Coolant Pipe Line 2.0 TDI 7C0121487E

£37.95

Free delivery: Oct 23

If paid before 14:00

Part no. 4G0819377M

Audi A6 C7 A7 4G 3.0 TFSI Coolant Water Hose Pipe Line Tube 4G0819377M

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 5Q0121070BQ-1

Audi S3 8V Water Hose Engine Coolant Cooling Pipe Line Tube 5Q0121070BQ

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. AV41-8286-AC

Ford Kuga MK1 Water Coolant Radiator Pipe Hose Line 2.0 TDCI AV41-8286-AC

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8573156

BMW F20 F30 F32 X3 F25 Coolant Water Hose Valve Engine Cooling System 8573156

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. GK21-8286-BD

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

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8J0121124A

Audi RS3 8P Gearbox Oil Cooler Coolant Pipe Hose Line 2.5 TFSI CEPA 8J0121124A

£32.95

Free delivery: Oct 23

If paid before 14:00

Part no. GJ32-8286-AB

Land Rover Discovery Sport L550 Water Coolant Pipe Hose Line 204DT GJ32-8286-AB

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. BK3Q-9J280-AB

Ford Transit MK4 Diesel 2.2 TDCi Fuel Injection Line Pressure Pipe BK3Q-9J280-AB

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2055018401

Mercedes W205 Water Pipe Line Cooling Coolant Hose A2055018401

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. A9108302700

Mercedes Sprinter W910 Diesel Water Coolant Hose Pipe Feed Line A9108302700

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2058309005-1

Heating Line Mercedes W205 Return Water Hose To Circulation Pump A2058309005

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8V2118K579B

Ford Fiesta MK7 1.6 TDCI Water Hose Heater Cooling Coolant Pipe Line 8V2118K579B

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2742000053

Mercedes W204 C207 W212 Cooling Engine Water Coolant Hose Pipe A2742000053

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 5A30C17

BMW X1 U11 Coolant Pipe Hose Line Electric Coolant Pump 5A30C17

£37.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8514454-1

BMW F20 F30 Coolant Hose Expansion Tank Cylinder Head Pipe B47 Diesel 8514454

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8K0819374S

Audi A4 B8 A5 8T 2.0 TDI Heater Valve Coolant Pipe Hose 8K0819374S

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 04L121064G

Volkswagen VW Golf Mk7 5G Water Hoses Radiator Coolant Pipes Lines 04L121064G

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2722030182

Mercedes W204 W212 Coolant Cooling Hose Pipe Line M272 Engine A2722030182

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7N0819350B

Volkswagen VW Sharan 7N Water Hose Radiator Coolant Pipe Line 2.0 TDI 7N0819350B

£66.95

Free delivery: Oct 23

If paid before 14:00

Part no. 1K0122101JR-1

VW Golf Mk6 Audi A3 8P Water Hose Radiator Coolant Pipe Line 1.6 TDI 1K0122101JR

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 03L122157F

Audi A4 B8 2.0 TDI Water Hose Radiator Coolant Pipe Line 03L122157F

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 6C11-8B274-BC

Ford Transit Mk7 Water Hose Engine Cooling Radiator Coolant Pipe 6C11-8B274-BC

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 9X2Q-6C661-BB

Land Rover Discovery 4 L319 Coolant Hose Pipe Line Tube 9X2Q-6C661-BB

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 5Q0121070AG

VW Scirocco Mk3 Golf 5g Jetta A6 Water Coolant Pipe Hose Line Tube 5Q0121070AG

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 80A122101AD

Audi SQ5 FY 3.0 TDI CWGD Water Coolant Pipe Hose Line Tube 80A122101AD

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. A1332000252

Mercedes W176 Water Circulation Feed Line Hose Tube Pipe A1332000252

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7P0121065AC-1

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

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7T16-8K012-AA

Ford Transit Connect Water Coolant Pipe Hose Line 1.8 TDCI 7T16-8K012-AA

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8571618

BMW X3 F25 N47N Diesel Water Hose Radiator Coolant Cooling Pipe Line 7811132

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 5Q0122096T

Volkswagen VW Passat B8 Golf Mk8 Water Coolant Hose Pipe 2.0 TDI 5Q0122096T

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7645482

Water Coolant Hose BMW F45 Mini F60 Countryman Pipe Line 7645482

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2468303496

Mercedes W246 Petrol Engine Water Coolant Pipe A2468303496

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. RHD-A2318301200

Mercedes R231 Heater Cooling Coolant Pipe Hose Line A2318301200

£32.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8K0819857B

Audi A5 8T Water Pipe Hose Line Engine Cooling Coolant Unit Hose 8K0819857B

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2055017984

Coolant Hose Mercedes W205 Diesel M651 Oil Cooler Water Hose A2055017984

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 06F145317E

Skoda Octavia RS 1Z Audi TT 8N BWA Petrol Engine Water Coolant Line 06F145317E

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 1K0122109AS

Audi A3 8P Engine Water Coolant Pipe Hose Line 1.4 TFSI CAXC Petrol 1K0122109AS

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7827842-1

BMW F10 X5 F15 X6 F16 Coolant Hose Cooling Water Line Diesel N57N 7827842

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7P6122109C

Volkswagen Touareg 7P R Engine Coolant Hose Tube Line Pipe 3.0 Diesel 7P6122109C

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8K1819350AQ

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

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7L6122291AC

Porsche Cayenne 92A Coolant Hose Water Pipe Line 7L6122291AC 7P6122051G

£32.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7P0121070AJ-1

Porsche Cayenne 92A Coolant Hose Pipe Line 3.0 TFSI Hybrid 7P0121070AJ

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A1665008075

Mercedes GLE W166 C292 M157 AMG Coolant Hose Water Cooling Line A1665008075

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 5WA122073H

Coolant Hose Volkswagen Golf CD1 Polo 1.0 TSI Water Tube Line Pipe 5WA122073H

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. A6512002700

Mercedes W205 X253 Diesel OM651.921 Engine Coolant Water Thermostat A6512002700

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 5Q0122051AN

Volkswagen Golf Mk7 Audi A3 8V Coolant Hose Pipe 2.0 TSI TFSI 5Q0122051AN

£66.95

Free delivery: Oct 23

If paid before 14:00

Part no. 4M0819350F

Audi Q7 4M Q8 Mk2 VW Touareg Mk3 Water Coolant Hose Line Tube Pipe 4M0819350F

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 9845329

BMW i4 G26 Reservoir Coolant Expansion Tank Bottle Line Pipe Hose Tube 9845329

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. GK2Q-8N039-AB

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

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8584831-1

BMW F39 F40 F44 F48 Mini F54 F55 Radiator Coolant Hose Pipe Line Tube 8584831

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. GJ32-8C481-AA

Land Rover Discovery Sport L550 Water Coolant Pipe Line GJ32-8C481-AA

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A1665007975

Mercedes GLE W166 C292 M278 Coolant Hose Water Cooling Line A1665007975

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8K0819377AA

Audi A5 8T Water Hose Cooling Radiator Coolant Pipe Line 8K0819377AA

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 9292730

BMW i3 I01 Water Coolant Hose Expansion Tank Return Pipe Line 9292730

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8K0819376AC

Audi A5 8T Coolant Water Hose Line Tube Pipe 3.0 TDI Diesel Engine 8K0819376AC

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. RHD-A2318300500

Mercedes SL R231 Coolant Hose Pipe Line Return Heat Exchanger A2318300500

£37.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7644101

BMW X5 F15 N20 40eX Hybrid Water Coolant Cooling Pipe Hose 7644101

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 4K0122101BJ

Audi A6 C6 Water Pipe Hose Line Cooling Coolant 4K0122101BJ

£37.95

Free delivery: Oct 23

If paid before 14:00

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