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 Hose BMW E81 E87 LCI Diesel N47 Radiator Bottom Pipe Line 7796870

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8689864

Coolant Hose BMW G20 G21 Z4 G29 Petrol B46 B48 Heater Return Line 8689864

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. K1BY8B273SG

Ford Fiesta Mk8 Puma Radiator Coolant Pipe Hose Line 1.5 Petrol K1BY-8B273-SG

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A4478320323

Mercedes W447 Water Hose Cooling Radiator Coolant Pipe Line A4478320323

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2029105

Ford Ranger MK3 Cooling System Hose Asy EB3G-7H255-AF

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5A5ADF9

BMW F74 M235 X1 U11 X2 U10 M35iX B48R Coolant Hose Water Pipe Line 5A5ADF9

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7645522

Mini F60 BMW F45 X1 F48 B38X Water Coolant Hose Pipe Venting Line 7645522

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. YC1Q-8K512-AB

Radiator Hose Ford Transit MK6 2.4 Tdci Coolant Water Line YC1Q-8K512-AB

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8W0122101B

Water Hose Audi A4 B9 A5 F5 Cooling Coolant Radiator Pipe Line 8W0122101B

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 94810645721

Porsche Cayenne Turbo 92a Engine Coolant Hose Tube Pipe Line Channel 94810645721

€184.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9884826

BMW G20 G23 Engine Water Coolant Hose Pipe Line B46 B48 9884826

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0122101JQ-1

VW Volkswagen Touran 1T Audi A3 8P Coolant Water Hose Pipe Tube Line 1K0122101JQ

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9308346

BMW G11 G30 G31 Engine Water Coolant Feed Hose Pipe Tube Line 2.0 Petrol 9308346

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8091174

Coolant Pipe BMW X3 M F97 X4 M F98 Turbocharger Flow Line Hose Pipe 8091174

€94.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04B121064

Volkswagen VW Polo 6C Water Coolant Pipe Hose Line 1.4 TDI Diesel 04B121064

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. M8D2-18K579-AB

Land Rover Discovery Sport L550 Coolant Water Hose Pipe 1.5 PHEV M8D2-18K579-AB

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4H2Q8592BE

Land Rover Range Sport L320 3.0 D Water Hose Coolant Pipe Line 4H2Q8592BE

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06K121075AS

VW Polo 6C GTI Audi S1 8X 1.8 2.0 TFSI Water Coolant Pipe Hose Line 06K121075S

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7541077

BMW Z4 E85 Roadster Cabrio Radiator Cooling Coolant Water Hose 7541077

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8571613

Coolant Hose BMW X3 F25 Engine Cooling Pipe Line N47N 18d 20dX 8571613

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8V0121109

Audi A3 RS3 8V 8Y Water Coolant Hose Pipe Hose Line 2.5 TFSI 8V0121109

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0122051EG

Audi A3 8V Water Coolant Pipe Radiator Hose Cooling Fluid Line 5Q0122051EG

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2782000651

Mercedes W212 M157 Water Coolant Feed Pipe Hose Line A2782000651

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2762000452

Water Hose Mercedes W204 W212 Radiator Coolant Feed Tube Pipe Line A2762000452

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2712002452

Water Pipe Mercedes W204 M271 Engine Cooling Coolant Feed Hose A2712002452

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5A5AE00

BMW F70 F74 X1 U11 X2 U10 Coolant Hose Pipe Line Return 5A5AE00

€56.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0121058AD

Skoda Octavia Mk4 Audi S3 8Y Water Coolant Pipe Hose Line 2.0 TFSI 5Q0121058AD

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8514243

Coolant Hose BMW F10 F11 520d N47N Radiator Water Cooling Pipe Diesel 8514243

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 94810635505

Porsche Cayenne Turbo 92a Engine Coolant Pipe Hose Line Channel 94810635505

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1645280382

Mercedes W164 Air Intake Hose Intercooler Charge Pipe Line Diesel A1645280382

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7P6121070AK

VW Volkswagen Touareg 7P Gearbox Coolant Pipe Hose Tube 3.0 Diesel 7P6121070AK

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06D121497A

Audi A4 B7 Turbocharger Water Coolant Pipe Hose Line 2.0 TFSI 06D121497A

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0122051AR

Skoda Octavia Mk3 Audi A3 8V Engine Water Coolant Pipe Hose 1.6 TDI 5Q0122051AR

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 99610662601

Porsche Boxster 986 Coolant Radiator Return Hose Line Tube Right O/S 99610662601

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. L8D2-8274-AD

Land Rover Discovery Sport L550 Coolant Water Hose Pipe 1.5 PHEV L8D2-8274-AD

€56.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2125014784

Coolant Pipe Mercedes W212 C218 M276 Petrol Engine Water Hose A2125014784

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5WA122157AC

Skoda Octavia VR Audi TT A1 VW Golf Engine Water Coolant Pipe Hose 5WA122157AC

€56.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2702032902

Water Pipe Mercedes C117 W176 W246 M270 Coolant Hose Line A2702032902

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8515510

Hose BMW X5 F15 N47 N57 Diesel Coolant Expansion Tank To Radiator Line 8515510

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. YC1Q-8A582-AC

Ford Transit MK6 2.4 Tdci Coolant Hose Cooling Water Line YC1Q-8A582-AC

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 94810605176

Porsche Cayenne 92A 4.8 V8 Water Coolant Pipes Hoses Lines 94810605176

€70.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5N0121064H

Audi Q3 8U Volkswagen Tiguan 5N Coolant Hose Metal Pipe Radiator 5N0121064H

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8654831

BMW G20 G21 Water Coolant Pipe Hose Line B48 8654831

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6512003202-2

Water Hose Mercedes Sprinter W910 OM651 Heater Coolant Pipe Part A6512030200

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1725011800

Mercedes R172 Engine Radiator Coolant Hose Pipe A1725011800

€28.95

Free delivery: Sep 22 – 24

If paid before 14:00

Part no. 5183178

Ford DS78-8260-BC

€56.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0121096

Volkswagen Golf R 5G Engine Water Coolant Hose Tube Line 2.0 Petrol 5Q0121096

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2711420203

Mercedes SLK R172 Intake Manifold Sound Generator M271 Petrol A2711420203

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0122101S

VW Golf Mk7 Audi A3 8V Water Hose Radiator Coolant Pipe Line Diesel 5Q0122101S

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8670666

BMW X3 G01 X4 G02 B58D Water Hose Coolant Radiator Pipe Line 8670666

€80.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0121109S

Audi A3 8V Water Coolant Engine Cooling Flange Pipe Hose Line 5Q0121109S

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 4G0122101AE

Water Hose Audi A4 B8 A6 C7 2.0 TDI Cooling Radiator Pipe Line 4G0122101AE

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8513842

BMW F10 F20 LCI F30 F32 B47 Engine Cylinder Head Mounting Holder Loop 8513842

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7598496

Coolant Hose BMW F10 F11 F07GT Petrol N55 Thermostat Inlet Pipe 7598496

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5N0121447Q

Audi Q3 8U Water Coolant Pipe Hose Line 2.0 TDI 5N0121447Q

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7P0820721D

VW Volkswagen Touareg 7P A/C Air Conditioning Hose Pipe Line Tube 7P0820721D

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A9065012982

Radiator Hose Mercedes Sprinter W906 Diesel Water Cooling Pipe A9065012982

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6Q0122051BP

Volkswagen VW Polo 9N 1.2 Water Hose Radiator Coolant Pipe Line 6Q0122051BP

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. LR072032-1

Land Rover Discovery Sport L550 Engine Coolant Hose Tube Line Pipe S0000379

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 94810602752

Porsche Cayenne 92A Turbo Turbocharger Coolant Water Pipe Hose 94810602752

€61.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 2293431

Ford Transit Connect Mk2 Engine Cooling Radiator Hose Tube Line Pipe 2293431

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6072030182

Water Pipe Mercedes W176 W246 Engine Cooling Coolant Hose Line A6072030182

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 04L122157S

Volkswagen Tiguan 5N Passat Audi Q2 Q3 Water Coolant Hose Pipe Line 04L122157S

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. BK3Q8K512BA

Ford Transit 2.2 TDCI Water Hose Engine Radiator Coolant Pipe Line BK3Q8K512BA

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1462573

Ford Focus Mk2 Cooling Pipe Thermostat 2.0 Petrol 1S7G-8K556-AJ

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 6R0121070G

VW Volkswagen Polo GTI 6R 1.4 Petrol Engine Coolant Pipe Hose Line 6R0121070G

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. LX61-9Y439-HAD

Ford Kuga Mk3 ST-Line Engine Cooling Pipe Hose Line 2.5 Hybrid LX61-9Y439-HAD

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. M8D2-8K561-AA

Land Rover Discovery Sport L550 Coolant Water Hose Pipe 1.5 PHEV M8D2-8K561-AA

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A9068322223

Mercedes W906 OM646 Water Coolant Heater Return Hose Pipe Tube Line A9068322223

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5Q0121064AR

Volkswagen VW Golf Mk7 Audi A3 8V Engine Coolant Pipe Hose Line 5Q0121064AR

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8670673

BMW X3 G01 X4 G02 M40iX B58D Water Coolant Hose Pipe Line 8670673

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1802997

Ford Kuga Mk1 Cooling System Coolant Water Pipe Hose 2.0 Diesel AV61-8C351-BC

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7799748

BMW 5 Series E60 E61 LCI Radiator Engine Cooling Coolant Water Hose 7799748

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9367391

Water Hose BMW F45 225xe Mini F60 SE ALL4 B38X Coolant Pipe Line 9367391

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A2702033003

Coolant Line Mercedes W176 Petrol M270 Water Pump Pipe Hose A2702033003

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5A0C591

BMW U06 X1 U11 Coolant Expansion Tank Shutoff Valve Pipe Hose Line B38X 5A0C591

€56.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8580759

BMW G20 G21 G30 Transmission Oil Cooler Line Hose Cooling Pipe 8580759

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7789590

Water Coolant Hose BMW E87 E90 Return Pipe Line 118d 120d 318d 320d 7789590

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6398321023

Mercedes Vito Viano W639 OM646 Coolant Hose Water Pipe Line A6398321023

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8602617

BMW G30 Electric Coolant Water Pipe Hose Tube Line 2.0 Petrol Hybrid 8602617

€42.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8V61-8286-HA

Land Rover Discovery L550 Radiator Water Coolant Pipe Hose Line 8V61-8286-HA

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1K0122101KN-3

Volkswagen VW Scirocco Mk3 Engine Radiator Coolant Hose Pipe Line 1K0122101KN

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 5WA121447

Skoda Octavia VR Engine Cooling Coolant Hose Tube Pipe Line 5WA121447

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 7580969

Coolant Hose BMW F10 F12 F13 F07Gt Petrol N55 Engine Cooling Water Line 7580969

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 1475574

BMW Mini Cooper S R52 R53 W11 Petrol Radiator Coolant Pipe Hose 1475574

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6398321093

Mercedes Vito Viano W639 OM646 Coolant Hose Water Pipe Cooling Line A6398321093

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8V61-8C012-FC

Ford C-Max Mk2 Focus Kuga Mk2 Water Coolant Overflow Pipe 2.0 TDCi 8V61-8C012-FC

€47.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 06A121065AP

Audi A3 8P Coolant Hose Water Pump Pipe Cooling Line 1.6 Petrol 06A121065AP

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A4475013182-1

Mercedes W447 OM651 Coolant Hose Radiator Engine Water Cooling Line A4475013182

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 94810623560

Porsche Cayenne 92A 4.8 V8 Water Return Pipe Hose Line 94810623560

€70.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A9108302600

Mercedes Sprinter W910 Diesel OM651 Heater Coolant Water Hose A9108302600

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A1772000851

Mercedes W205 63 AMG Turbocharger Coolant Pipe Hose Line Right O/S A1772000851

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8584831-1

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

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 9169917

Coolant Hose BMW F10 F11 N52N N53 Cooling Water Feed Pipe Line Petrol 9169917

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 94810623754

Porsche Cayenne Turbo 92A 4.8 Turbocharger Cooling Pipe Hose Line 94810623754

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. 8W0819342L-1

Audi A5 F5 Water Return Coolant Pipe Hose Flow Line 8W0819342L

€32.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. L8D2-8D050-AB

Land Rover Discovery Sport L550 Water Coolant Pipe Hose 1.5 PHEV L8D2-8D050-AB

€37.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. GK21-8C350-BC

Ford Transit Custom Mk8 Water Coolant Pipes Set 2.2 TDCi GK21-8C350-BC

€28.95

Free delivery: Sep 23 – 24

If paid before 14:00

Part no. A6398322023

Mercedes Vito Viano W639 OM646 Coolant Hose Water Pipe Cooling Line A6398322023

€23.95

Free delivery: Sep 23 – 24

If paid before 14:00

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