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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Water Hose Mercedes W176 W246 OM651 Coolant Water Pump Pipe Line A2468302896

£23.95

Free delivery: Sep 04

If paid before 14:00

Part no. 5Q0816743D

Audi A3 8V VW Golf Mk7 Air Conditioning Hose A/C Pipe Line 5Q0816743D

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8616133

BMW 3 Series F30 LCI 330e B48X Radiator Expansion Tank Line Hose Pipe 8616133

£23.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8E0121049AC

Audi A4 B7 Water Hose Cooling Radiator Coolant Pipe Line 2.0 Diesel 8E0121049L

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 1K0122051HK

VW Volkswagen Golf 5 6 1.6 2.0 TDI Water Hose Coolant Pipe Line 1K0122051HK

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 1K0122101JR

VW Golf 6 Audi A3 8P 1.6 TDI Water Hose Radiator Coolant Pipe Line 1K0122101JR

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2712002552

Water Pipe Mercedes W204 M271 Engine Cooling Radiator Coolant Hose A2712002552

£32.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7594319

Coolant Hose BMW F20 F22 F30 F33 F36 F34 GT Petrol Engine N55 Water Line 7594319

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7799748

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

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 1437493

Accumulator Flange BMW X5 E53 E38 Cooling System 1702200

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. A6422000056

Mercedes W164 OM642 Engine Coolant Flange Connector Hose A6422000056

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8663516

BMW1 1 3 Series F20 F21 F30 LCI Radiator Coolant Water Hose Pipe Line 8663516

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 9802103

Mini Cooper R60 R61 Cooling System Coolant Radiator Water Hose Pipe 9802103

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 2754222-1

Mini Cooper R55 R56 R57 Cooling System Coolant Radiator Water Hose Pipe 2754222

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2035015782

Mercedes-Benz C-Class W203 Kompressor Radiator Top Hose Pipe Petrol A2035015782

£28.95

Free delivery: Sep 04

If paid before 14:00

Part no. 5Q0121070AF

Audi A3 8V Water Hose Cooling Coolant Radiator Pipe Line 5Q0121070AF

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 1K0122063J

Audi TT 8J A3 8P Skoda Octavia II 2.0 TFSI Water Coolant Pipe Hose 1K0122063J

£14.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8514058

BMW F20 F21 F30 LCI B47 Hose Coolant Expansion Tank Radiator 8514058

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2125280882-1

Mercedes W204 W212 Air Intake Hose Intercooler Charge Pipe Diesel A2125280882

£56.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2468304596

Water Hose Mercedes W176 W246 Diesel OM651 Cooling Coolant Pipe A2468304596

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2642008600

Mercedes W205 M264 Petrol Engine Water Coolant Pipe Hose A2642008600

£37.95

Free delivery: Sep 04

If paid before 14:00

Part no. A6512000682

Water Hose Mercedes W204 W212 OM651 Coolant Water Pump Pipe Line A6512000682

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2045010282

Water Pipe Mercedes W204 M271 Engine Cooling Radiator Coolant Hose A2045010282

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2702032902

Water Pipe Mercedes C117 W176 W246 M270 Coolant Hose Line A2702032902

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7809821

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

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2045010782

Water Pipe Mercedes W204 OM642 Engine Cooling Radiator Coolant Hose A2045010782

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 04L121064AE

Volkswagen Seat Skoda Audi 2.0 TDI Water Coolant Pipe Hose Line 04L121064AE

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7519248

BMW 5 6 Series E60 E61 E64 Petrol Engine Cooling Radiator Supply Hose 7519248

£28.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7598234

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

£23.95

Free delivery: Sep 04

If paid before 14:00

Part no. rhd-6796349

BMW 1 E87 118d 120d M47N2 Power Steering Radiator Return Line Pipe Hose 6796349

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7809819

Coolant Hose BMW F10 F11 N47N Radiator Water Cooling Pipe Diesel 7809819

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 1K0122157JH

Coolant Hose Audi A3 8P VW Golf 6 1.6 TDI Diesel Water Pipe Line 1K0122157JH

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. A1715010382

Mercedes SLK R171 M271 Water Pipe Cooling Coolant Hose Line A1715010382

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7812942

BMW F30 F31 F32 330d 430d N57N Radiator Coolant Hose Pipe 7812942

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2045013425

Mercedes W204 Radiator Coolant Hose Cooling Pipe Bleed Line Diesel A2045013425

£32.95

Free delivery: Sep 04

If paid before 14:00

Part no. 03L121071C

Audi A4 B8 2.0 TDI Water Hose Radiator Coolant Pipe Line 03L121071C

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. A9078300001

Water Hose Mercedes Sprinter W907 Heat Exchanger Coolant Feed Pipe A9078300001

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7808080

BMW X5 E70 LCI Water Coolant Hose Return Pipe Line 30dX 40dX N57 7808080

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. A6395014382

Mercedes-Benz Vito W639 Engine Radiator Water Coolant Hose Pipe A6395014382

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7619623

BMW F32 Petrol N55 Coolant Hose Engine Cooling Radiator Refrigerant Pipe 7604544

£56.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8K0819334BB

Audi A4 B8 2.0 TDI CNHC Water Coolant Hose Line Pipe 8K0819334BB

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2742002982

Mercedes W204 Water Hose Coolant Cooling Pipe Line A2742002982

£28.95

Free delivery: Sep 04

If paid before 14:00

Part no. A1725010682

Mercedes SLK R172 Diesel OM651 Coolant Hose Left N/S Radiator Line A1725010682

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7600554

BMW F20 F21 F30 F31 N13 N20 Radiator Coolant Hose Pipe Tube 7600554

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7617363-1

Water Hose BMW F45 X1 F48 Mini F55 F56 F60 Radiator Engine Coolant Pipe 7617363

£23.95

Free delivery: Sep 04

If paid before 14:00

Part no. A6542031302

Mercedes W205 W213 W447 OM654 Water Hose Engine Cooling Coolant Pipe A6542031302

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8507246

BMW F30 F31 F34 F36 Coolant Hose Engine Cooling Radiator Line 8507246

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2055018201

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055018201

£37.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7505949

BMW X5 Series E53 Inlet Heater Radiator Water Hose 7505949

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8645546

Mini Cooper S F55 F56 Petrol Engine Water Pump Cooling Coolant Pipe Hose 8645546

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7791170

BMW X5 E53 Cooling System Coolant Radiator Water Hose 3.0d M57N 7791170

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7808079

BMW X5 E70 LCI N57 N57S Water Hose Coolant Cooling Pipe Line Radiator 7808079

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8571619-1

BMW X3 F25 N47N Radiator Coolant Hose Pipe Line Diesel 8571619

£28.95

Free delivery: Sep 04

If paid before 14:00

Part no. A6110701133

Mercedes W639 OM646 Fuel Injection Pressure Pipe Rail Injector Set A6110701133

£32.95

Free delivery: Sep 04

If paid before 14:00

Part no. 1K0122101KN

VW Volkswagen Caddy Maxi Engine Radiator Coolant Hose Pipe Line 1K0122101KN

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. -A6110701033

Mercedes W639 OM646 Fuel Line Hose Pressure Pipe Rail High Pressure Pump

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 5Q0122073BK

Audi Q3 8U Water Coolant Hose Tube Line Pipe 2.0 TDI Diesel 5Q0122073BK

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. A9065013182

Radiator Hose Mercedes W906 Sprinter OM651 Diesel Coolant Line Pipe A9065013182

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2048301096

Water Pipe Mercedes W204 C207 W212 OM642 Cooling Coolant Hose Line A2048301096

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8662836

BMW F20 F21 F30 F31 LCI B48 Hose Radiator Top Thermostat Coolant Water 8662836

£37.95

Free delivery: Sep 04

If paid before 14:00

Part no. A1332000452

Mercedes W176 C117 AMG Petrol M133 Intercooler Water Return Line A1332000452

£32.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8K1819376J

Audi A5 8T 2.0 TFSI Water Hose Cooling Coolant Radiator Pipe Line 8K1819376J

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8645545

Coolant Pipe Mini F54 F56 F60 BMW F45 F46 F48 B38 Cooling Hose Water 8645545

£23.95

Free delivery: Sep 04

If paid before 14:00

Part no. A1775011301

Heater Pipe Mercedes W177 W247 OM654 Water Hose Coolant Pipe Line A1775011301

£37.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2465011358

Water Hose Mercedes W176 W246 OM651 Cooling Coolant Pipe Line A2465011358

£37.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7515501-1

Water Hose Mini Cooper S R52 R53 W11 Petrol Radiator Coolant Pipe 1475572

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. A1775011101

Mercedes W177 Water Coolant Pipe Hose A1775011101

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 06J121065F

Audi TT 8J A3 8P A4 8K Water Hose Cooling Coolant Radiator Pipe Line 06J121065F

£28.95

Free delivery: Sep 04

If paid before 14:00

Part no. A4475014300

Mercedes W447 OM622 Water Coolant Hose Pipe Line Tube Reservoir Tank A4475014300

£28.95

Free delivery: Sep 04

If paid before 14:00

Part no. 03L121071B

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

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 5Q0121070AB

Audi VW Seat Petrol Coolant Hose Water Pump Pipe Cooling Line 5Q0121070AB

£32.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7565095

BMW E81 E87 E90 E91 E92 Hose Radiator Coolant Cooling Pipe Line Tube 7565095

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 06K121085M

Audi VW Seat 2.0 TFSI Petrol Water Pipe Engine Coolant Hose Line 06K121085M

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 1K0121070BD

Audi TT 8J Water Hose Cooling Tank Coolant Pipe Line 1K0121070BD

£23.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8K0121049M

Water Pipe Audi A4 B8 A5 8T 2.0 TFSI Coolant Hose Line 8K0121049M

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8616560

BMW F20 F21 F22 F30 F31 Water Hose Radiator Coolant Cooling Pipe Line 8616560

£47.95

Free delivery: Sep 04

If paid before 14:00

Part no. A6462030482

EGR Cooler Hose Mercedes W203 W211 OM646 Heat Exchange Coolant Line A6462030482

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2045280682

Mercedes W204 W212 Air Intake Hose Intercooler Charge Pipe Diesel A2045280682

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. A1715010282

Mercedes SLK R171 Water Hose Cooling Radiator Coolant Pipe A1715010282

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 9813733

Water Hose Mini R60 R61 N47N Coolant Radiator Expansion Tank Pipe Line 9813733

£28.95

Free delivery: Sep 04

If paid before 14:00

Part no. 06F121133G

VW Volkswagen Golf 5 2.0 TSI BWA Petrol Engine Coolant Flange Hose 06F121133G

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 5Q0122109J

Audi S3 8V VW Volkswagen Golf 7 Water Coolant Pipe Hose Line Tube 5Q0122109J

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. A6071400300

EGR Exhaust Cooler Mercedes W176 W246 Heat Exchanger OM607 Diesel 147357324R

£32.95

Free delivery: Sep 04

If paid before 14:00

Part no. RHD-A2515060118

Mercedes W164 W251 Water Coolant Pipe Hose Line Splitter Connector A2515060118

£23.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8E0121049L

Audi A4 B7 2.0 Petrol Water Hose Cooling Radiator Coolant Pipe Line 8E0121049L

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 1K0121070AQ

Audi TT 8J 2.0 TFSI Water Hose Coolant Pipe Line 1K0121070AQ

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8634283

BMW F20 F30 F31 LCI Petrol Engine Water Coolant Pipe Hose 8634283

£37.95

Free delivery: Sep 04

If paid before 14:00

Part no. A0005003040

Mercedes W205 W213 W222 C253 Engine Cooling System Coolant Valve A0005003040

£47.95

Free delivery: Sep 04

If paid before 14:00

Part no. 1K0122073GF

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

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 1K0122063D

VW Volkswagen Mk5 V Mk6 VI 2.0 Petrol Water Coolant Pipe Hose Line 1K0122063D

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 5N0121070F

Volkswagen Tiguan 5N Water Coolant Cooling Pipe Line 2.0 TDi Diesel 5N0121070F

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2048300096

Mercedes W204 M271 Water Hose Engine Cooling Coolant Pipe Line A2048300096

£23.95

Free delivery: Sep 04

If paid before 14:00

Part no. 7555633

BMW 3 Series F30 LCI 330e B48X Radiator Water Coolant Hose Line Pipe 7555633

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 8667356

BMW 3 Series F30 LCI 330e B48X Radiator Coolant Return Hose Line Pipe 8667356

£23.95

Free delivery: Sep 04

If paid before 14:00

Part no. A2128320994

Water Pipe Mercedes W212 Engine Cooling Coolant Hose Line A2128320994

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. CC11-8286-AC

Ford Transit Mk8 Water Hose Engine Cooling Coolant Pipe 2.2 Diesel CC11-8286-AC

£18.95

Free delivery: Sep 04

If paid before 14:00

Part no. 2247638

Ford Fiesta Mk7 1.0 Ecoboost Coolant Pipe Hose Water Line CM5G-8B451-GA

£13.95

Free delivery: Sep 04

If paid before 14:00

Part no. 06F121065H

Audi A3 8P TT 8J VW Golf GTI 2.0 TFSI Coolant Water Pipe Hose Line 06F121065H

£32.95

Free delivery: Sep 04

If paid before 14:00

Part no. A6402032682

Mercedes-Benz W169 W245 180CDI 200CDI Water Coolant Pipe Hose A6402032682

£13.95

Free delivery: Sep 04

If paid before 14:00

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