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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Audi A4 B8 A5 8T Water Coolant Pipe Line Hose Tube 2.0 TDI 04L122157BB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7619684

Coolant Hose BMW F10 F11 N20 520i 528i Radiator Water Cooling Top Pipe 7619684

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0122051HK-2

VW Volkswagen Scirocco Mk3 Water Coolant Hose Pipe Diesel Engine 1K0122051HK

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2822009100

Mercedes C118 W177 Water Coolant Pipe Hose Line M282 A2822009100

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0819376F

Audi A4 B8 Q5 8R A5 8T Water Coolant Hose Pipe Line TFSI Petrol 8K0819376F

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6400101382

Mercedes-Benz W169 W245 180CDI 200CDI Water Coolant Pipe Hose A6400101382

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2602003600

Mercedes W177 M260 Petrol Engine Coolant Hose Line Tube Pipe A2602003600

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2218324394

Mercedes-Benz S-Class W221 Engine Water Cooling Coolant Hose Pipe A2218324394

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8R0121049E

Audi Q5 8R Water Coolant Pipe Hose Line 2.0 TDI Diesel Engine 8R0121049E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0121070BB

Volkswagen Touran 1T Water Coolant Pipe Hose Line Tube 1.4 TSI 1K0121070BB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KK31-8B274-AA

Ford Transit Mk8 Water Coolant Hose Pipe 2.0 EcoBlue Diesel KK31-8B274-AD

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. -7796272

BMW E60 E61 E63 E64 LCI M57N2 Water Radiator Coolant Hose Pipe 7796272

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1521014

Ford Fiesta Mk7 Coolant Pipe Hose Thermostat Housing 1.2 Petrol 8V21-18K579-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1436077

BMW E82 Water Coolant Cooling Pipe Hose Line N47 Diesel Engine 1436077

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W0819350G

Audi A4 B9 A5 F5 Water Coolant Heater Hose Pipe 2.0 TDI 8W0819350G

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03L121157AH

Audi A5 S5 8F 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 03L121157AH

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6222000056

Mercedes S205 OM626 Water Pump Coupling Connector Valve Tube A6222000056

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. Z12002108

Vauxhall Vivaro Peugeot Partner Water Coolant Pipe Hose 1.5 Diesel Z12002108

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. M8A2-8260-EB

Range Rover Velar L560 Water Coolant Hose Pipe Line 2.0 Diesel M8A2-8260-EB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2135014782

Water Hose Mercedes W213 S213 Radiator Cooling Coolant Pipe Line A2135014782

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 99610666302

Porsche Boxster 986 Engine Coolant Water Pipe Hose Cooling Tube 99610666302

€37.95

Free delivery: Nov 10 – 13

If paid before 14:00

Part no. 4E0121055AC

Audi A8 D3 Engine Coolant Hose Tube Line Pipe Quick Coupling 4E0121055AC

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. EB3G-8C362-HA

Ford Ranger Wildtrak Mk6 Water Coolant Pipe Hose Line EB3G-8C362-HA

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KK21-8W005-BB

Ford Transit Custom Mk8 Coolant Radiator Pipe Hose Line KK21-8W005-BB

€23.95

Free delivery: Nov 10 – 13

If paid before 14:00

Part no. 6G91-8C012-TB

Land Rover Freelander 2 L359 2.2 D Coolant Water Pipe Hose 6G91-8C012-TB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8515080

BMW F10 F11 F25 F15 N47N Water Hose EGR Cooler Coolant Pipe Line 8515080

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 04L122157AQ

Audi A4 B9 A5 F5 Engine Coolant Pipe Hose 2.0 TDI Diesel 04L122157AQ

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7598234

Coolant Hose BMW F20 F22 F30 N55 Engine Cooling Cylinder Head Pipe Line 7598234

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8675281

BMW F21 LCI F22 LCI F31 LCI Engine Radiator Coolant Hose Tube Line Pipe 8675281

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7616037

BMW i3 I01 Water Coolant Cooling Hose Pipe Line Radiator 7616037

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6R0121063

Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 6R0121063

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2722001151

Mercedes W211 S211 S212 W221 Coolant Water Pipe Line M272 Petrol A2722001151

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1322000015

Smart Fortwo 451 Water Pump Thermostat Coolant Pipe Hose M132 A1322000015

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2742031202

Water Hose Mercedes W204 C207 W212 W205 W213 M274 Coolant Line Pipe A2742031202

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 95810610500

Porsche Cayenne 92A Water Coolant Pipe Hose Line 3.0 TFSI 7P0122051D

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4R8Q-9Y438-BE

Land Rover Discovery 3 L319 Coolant Cooling Pipe Hose Line 4R8Q-9Y438-BE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2822009200

Mercedes C118 W177 Water Coolant Pipe Hose Line M282 A2822009200

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AB39-8B274-AB

Ford Ranger Mk6 Engine Coolant Hose Pipe Line Diesel Engine AB39-8B274-AB

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5157192

Ford Transit Connect Water Hose Engine Coolant Pipe Line 1.8 TDCi 4T16-8B273-FB

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2602002000

Mercedes W177 M260 Petrol Engine Coolant Hose Line Tube Pipe A2602002000

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 04E122157AC

Audi A4 B9 Turbo Charger Coolant Pipe Hose Line Tube 1.4 TFSI 04E122157CA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8N0122101A

Audi A3 8P TT 8N Coolant Hose Water Pipe Flange Coupler 1.8 2.0 TFSI 8N0122101A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6C0129635B

Audi S1 8X Air Filter Connector Pipe Hose Line 2.0 TFSI CWZA 6C0129635B

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2754223

Mini Cooper S R55 R56 R57 Cooling System Water Coolant Hose Pipe 2754223

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W0122055BN

Audi A4 B9 A5 F5 Coolant Pipe Radiator Hose Line Tube 2.0 Petrol 8W0122055BN

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 95810645800

Porsche Cayenne 92A Water Coolant Pipe Line Hose 3.0 TFSI 06E121058F

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2283593

BMW 3 Series E90 E92 E93 M3 Radiator Hose Heater Feed Pipe Oil Cooler 2283593

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2642002301

Mercedes C205 C250D Water Cooling Cooler Feed Line A2642002301

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2712000315

Mercedes W204 Coolant Cooler Water Thermostat A6512002700

€89.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2Q0121156B

Seat Ibiza KJ1 1.0 TSI Engine Cooling Coolant Pipe Hose Line 2Q0121156B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1475571

MINI R50 R52 Radiator Coolant Pipe Hose Line Petrol 1475571

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4K0121486

Audi A6 C8 A7 4K Coolant Hose Water Pipe Cooling Line 4K0121486

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KK31-18K579-AD

Ford Transit Mk8 Water Coolant Hose Pipe 2.0 EcoBlue Diesel KK31-18K579-AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1848122

Ford Focus Mk3 Radiator Hose Coolant Tube Line Pipe 1.6 Petrol BV61-8286-BA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06J121132G

Audi TT 8J A4 B8 Water Coolant Flange Pipe Hose Line 06J121132G

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. C1B1-18K579-AD

Ford Fiesta Mk7 Heater Coolant Preasure Hose Pipe Tube Line C1B1-18K579-AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055019901

Mercedes W205 C300de Hybrid Water Coolant Pipe Hose Line A2055019901

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8658483-1

Mini F55 F56 Coolant Pipe Expansion Tank Cylinder Head Cooling Hose Line 8658483

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BK319Y438AB

Ford Transit 2.2 TDCI Water Hose Cooling Coolant Pipe Line BK319Y438AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1322000056

Smart Fortwo 451 Water Pump Thermostat Pipe Hose Connector M132 A1322000056

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9684589080-2

Peugeot 307 Water Hose Cooling Coolant Pipe Line Connector 1.6 HDI 9684589080

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7P0815984

Porsche Cayenne S 92A VW Touareg 7P Coolant Pipe Hose Line Tube 7P0815984

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2822009500

Mercedes C118 W177 Water Coolant Pipe Hose Line Tube M282 A2822009500

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8R0121081N

Audi A4 B8 A5 8T Radiator Water Coolant Pipe Hose Pipe Line 2.0 TFSI 8R0121081N

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6398328823

Mercedes Vito W639 Heater Feed Hose Water Line Pipe OM642 Diesel A6398328823

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2118303996

Water Hose Mercedes W211 CLS W219 Engine Coolant Cooling Pipe Line A2118302596

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. L8D2-18K596-BA

Land Rover Discovery Sport L550 Coolant Water Pipe Hose 1.5 PHEV L8D2-18K596-BA

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q012210GJ

Audi A3 8V Water Hose Cooling Radiator Coolant Pipe Line 5Q012210GJ

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W0819334AE

Audi A5 F5 Coolant Water Quick Connect Heater Pipe Hose 8W0819334AE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6398305315

Coolant Hose Mercedes Vito W639 Heat Exchanger Water Pipe Diesel A6398305315

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 95810645900

Porsche Cayenne 92A Water Coolant Pipe Hose Line 3.0 TFSI 95810645900

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. K8D2-8C481-BA

Range Rover Evoque L551 Discovery L550 Coolant Hose Pipe Line 2.0 K8D2-8C481-BA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4615722

Coolant Hose BMW F21 F22 F30 F31 F34 F36 Cooling Pipe Radiator Line 7617376

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8654830

BMW G20 Water Coolant Pipe Hose Hose Line B48D Petrol 8654830

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2468303196

Mercedes W176 W246 OM651 Water Hose Pipe Coolant Line Heat Exchanger A2468303196

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 04L121070D

Audi A3 8V 2.0 TDI Diesel Water Coolant Hose Pipe Tube Line 04L121070D

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06F145762

Audi TTS 8J Coolant Water Pipe Hose Line 2.0 TFSI Quattro CDLB 06F145762

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03C121070L

Audi A3 8P Water Hose Radiator Coolant Pipe Line Petrol 03C121070L

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6C1Q8B535AF

Water Pump Pipe Ford Transit MK7 MK8 2.2 TDCI Engine Coolant Flange 6C1Q8B535AF

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06J121075F

Audi TT 8J A3 8P Petrol Coolant Hose Diesel Water Pipe Line Tube 06J121075F

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1725014582

Mercedes SLK250 CDI R172 OM651 Cooling Water Return Pipe Hose Line A1725014582

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2754221-1

BMW MINI Cooper One R55 R56 R57 Upper Radiator Coolant Pipe Hose Petrol 2754221

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7800583

BMW E87 E90 LCI E81 E82 E88 E90 E91 Diesel Cooling Return Pipe 7800583

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. FPLA-8D033-CA

Range Rover Sport L494 Water Coolant Cooling Hose Pipe 3.0 Diesel FPLA-8D033-CA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3448075

BMW X3 Series E83 LCI E83N Engine Water Valve Pipe Coolant Hose Supply 3448075

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2118300196

Mercedes-Benz E-Class W211 Cooling Engine Water Coolant Hose Pipe A2118300196

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4H0121088AD

Audi A8 4H Expansion Bottle Tank Radiator Hose Line Tube Pipe 4H0121088AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1761394

Ford Focus St-3 Mk3 Engine Water Pipe Hose Tube Line CV61-8260-TB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9896566

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

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8870305360

Toyota Avensis T270 Air Con Conditioning Pipe Hose Line A/C 8870305360

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03L121121A

VW Volkswagen Touran 1T1 Passat 2.0 TDI BKD BMP Coolant Flange Pipe 03L121121A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9884825

BMW G20 LCI G21 LCI G22 Engine Return Coolant Hose Pipe Tube Line 9884825

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7810707

Coolant Pipe BMW F10 F11 F20 F21 F30 F31 F36 Engine Water Hose Connector 7810707

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3400207

BMW X3 Series E83 M54 2.5i 3.0i Engine Cooling Radiator Coolant Hose 3400207

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0121049CA

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7514879

BMW Z4 E85 Air Intake System Pipe Hose Rubber Boot 7514879

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7515489

BMW Mini Cooper One R50 R52 Petrol W10 Radiator Coolant Hose 7557167

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03L121157E

Audi A4 S4 8K A5 S5 8T Engine Coolant Hose Tube Line Pipe 2.0 TDI 03L121157E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6400101282

Mercedes W168 W169 Engine Water Coolant Breather Pipe Hose A6400101282

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

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