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.

More information

Make

Seat Leon Mk3 5F Water Coolant Pipe Hose Line Tube 1.5 TSI Petrol 5Q0122101HB

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 03C121070M

Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C121070M

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9329654

Water Hose BMW F30 LCI B48X 330e Coolant Cooling Pipe Line Hose 9329654

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0121070BD

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

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. LR073713

Land Rover Discovery Sport L550 Water Coolant Pipe Hose Line 2.0 G4D3-18B402-BA

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 04E122157H

Turbocharger Cooling Line VW Golf MK7 Audi A3 8V 1.4 TSI Water Pipe 04E122157H

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5Q0122157EP

Seat Leon Cupra 5F Water Coolant Pipe Hose Tube Line 2.0 TFSI Petrol 5Q0122157EP

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5N0122101AS

Audi Q3 SE Coolant Hose With Quick Release Coupling Upper 5N0122101AS

€85.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7830714

BMW E46 Engine Cooling Water Radiator Coolant Tube Pipe Hose Line 7830714

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A6398322593

Mercedes Vito W639 OM646 Heat Exchanger Hose Water Coolant Pipe A6398322593

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 03L122157Q

Audi A4 B8 A5 8T Coolant Pipe Water Cooling Line 2.0 TDI 03L122157Q

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A4535013482

Smart ForTwo C453 1.0 Petrol Heater Matrix Exchange Pipe Hose Line A4535013482

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8K0121049AF

Audi A4 B8 2.0 TDI Water Coolant Hose Tube Line Pipe 8K0121049AF

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 03G121065H

Volkswagen Golf MK5 Audi A3 8P Seat Skoda Diesel Engine Coolant Pipe 503G121065H

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 4K0121052H

Audi A6 C8 Engine Coolant Pipe Line Heating Hose 2.0 TFSI Hybrid 4K0121052H

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7P5121070R-1

Porsche Cayenne S 92A Coolant Hose Pipe Line Right O/S 7P5121070R

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 06H121057H

Audi A4 S4 B8 8K A5 S5 8F 8T Thermostat Coolant Hose Pipe Line 06H121057H

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 03C121050N

VW Volkswagen Golf Mk6 Heater Water Cooling Coolant Pipe Hose Line 03C121050N

€61.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A4534700564

Smart Fortwo C453 Radiator Overflow Coolant Water Pipe Hose Line A4534700564

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7605640

BMW F12 F13 F06 Coolant Hose Radiator Line Water Pipe 7605640

€42.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 5Q0121619D-1

Audi A3 8V Skoda Octavia Mk3 Water Hoses Coolant Pipes Lines 5Q0122051DA

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2135010401

Mercedes W213 S213 C238 Coolant Hose Pipe Line A2135010401

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 99610661153

Porsche Carrera 996 Coolant Water Hose Pipe Feed Line 9603 Petrol 99610661153

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7838756-1

BMW M3 E46 Z4 E85 E86 Coolant Return Pipe Water Line S54 Petrol 7831527

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7796871

BMW X1 E81 E87 E90 E91 N47 Cooling Radiator Water Pipe Hose 7797259

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 04L122157BF

Audi A4 B8 2.0 TDI CNHC Diesel Engine Water Coolant Pipe Hose Line 04L122157BF

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8K0121081P

Audi A4 B8 2.0 TDI CAGA Radiator Water Coolant Pipe Hose Tube Line 8K0121081P

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 04L121071H

Audi A6 C7 Q5 8R Water Coolant Hose Pipe Tube Line 2.0 TDI DDDA 04L121071H

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. M8B2-8464-BB

Range Rover Defender L663 Coolant Expansion Bottle Hose Line Tube M8B2-8464-BB

€85.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7612445

Cooling Hose BMW E84 N20 Petrol Engine Radiator Water Coolant Pipe Line 7612445

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7P6129572

Porsche Cayenne 92A Air Intake Hose Pipe Line 4.2 TDI Diesel Right O/S 7P6129572

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6C1Q8250B2B

Ford Transit MK7 2.2 TDCi Diesel Water Pipe Coolant Hose Line 6C1Q-8250-B2B

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0121096C

Volkswagen Golf MK5 Engine Water Coolant Pipe Hose 1K0121096C

€23.95

Free delivery: Jul 29 – Aug 3

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

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. CPLA-9F287-DB

Range Rover L405 Heat Exchanger Water Coolant Cooling Hose Pipe CPLA-9F287-DB

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. LR084066

Land Rover Discovery Sport L550 Engine Water Pipe Hose Line 2.0 G4D3-5H370-BD

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2118324694

Mercedes W211 Radiator Water Coolant Cooling Hose Tube Line Pipe A2118324694

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9671124980

Water Hose Peugeot 207 1.6 HDI Engine Cooling Coolant Pipe Line 9671124980

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7811782-1

Mini Cooper D R55 R56 LCI R58 Diesel N47N Coolant Water Hose Pipe Line 7811782

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. C1B1-18K580-BD

Ford Fiesta Mk7 Water Coolant Hose Pipe Line 1.0 EcoBoost C1B1-18K580-BD

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0122101DK

Audi TT 8J 2.0 TFSI BWA Upper Radiator Coolant Hose Line Pipe Tube 1K0122101DK

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8K1819376J

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

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2138309305

Mercedes W213 Diesel Water Coolant Cooler Pipe Line Hose EGR A2138308900

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0122063D

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

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9091603084

Lexsus LS400 Cooling Coolant Thermostat Water 9091603084

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 03L121157AA

Audi A4 B8 A5 8T Water Hose Cooling Radiator Pipe Line 2.0 TDI 03L121157AA

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2535015101

Mercedes X253 Water Hose Radiator Coolant Cooling Pipe Line A2535015101

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 03L122157E

Audi A3 8P TT 8J VW Scirocco Mk3 Water Coolant Pipe Hose Line 2.0 TDI 03L122157E

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7612444

Cooling Hose BMW E84 N20 Petrol Engine Radiator Water Coolant Pipe Line 7612444

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8T0941717D

Audi A4 RS4 B8 Headlight Lamp Drain Hose Pipe Line Tube Left N/S 8T0941717D

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 5K0122051N

Volkswagen Beetle Scirocco III 2.0 TDI Water Radiator Pipe Hose Line 5K0122051N

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2702000651

Water Pump Pipe Mercedes C117 W176 W246 M270 Coolant Hose Line A2702000651

€47.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2475010582

Coolant Hose Mercedes W177 W247 Cooler Radiator To Thermostat Line A2475010582

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2045011682

Mercedes W212 Radiator Coolant Hose Pipe Engine Cooling A2045011682

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1469442-1

Ford Transit Mk7 Water Hose Engine Cooling Radiator Coolant Pipe 6C11-8B273-BG

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 2Q0121049CL

Seat Arona KJ7 Skoda Scala NW1 Water Coolant Hose Pipe 1.0 TFSI 2Q0121049CL

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8571346

BMW X3 F25 X4 F26 Coolant Hose Diesel Radiator Water Pipe Line N57N N57Z 8571346

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2095013382

Water Hose Mercedes CL203 W209 OM646 Engine Cooling Coolant Pipe A2095013382

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7639026

Cooling Hose BMW E84 N20 Petrol Engine Radiator Water Coolant Pipe Line 7639026

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8650981

BMW G20 Water Hose Radiator Coolant Cooling Tube Pipe Line 8650981

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7541146

BMW E65 E66 740i 750i Radiator Coolant Ventilation Vent Pipe Hose 7541146

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7607841

BMW F07 F10 F11 Engine Water Coolant Pipe Hose Line N55 Petrol 7607841

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1935535

Ford Transit Custom Mk8 Water Coolant Pipe Hose Line 2.0 EcoBlue GK2Q-8B451-AA

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A6512031382

Mercedes Sprinter W906 Coolant Hose OM651 Diesel Heater Water Pipe A6512031382

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 95810655140

Porsche Cayenne 92A Water Coolant Pipe Hose Line 4.2 V8 95810655140

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0122109-1

VW Scirocco Mk3 Audi A3 8P Water Coolant Hose Pipe Line 2.0 TFSI 1K0122109CM

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A2048301996

Water Pipe Mercedes W204 W207 Engine Coolant Cooling Hose Line A2048301996

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 6984739

BMW Z4 E85 E86 Cooling Hose Pipe Line Coolant 6984739

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8C1Q-8A582-AA

Ford Transit Mk7 Water Hose Engine Cooling Radiator Coolant Pipe 8C1Q-8A582-AA

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8J0121051Q-1

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

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7L0815987E

Audi Q7 4L Auxiliary Water Heater Feed Coolant Pipe Hose Diesel 7L0815987E

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. CPLA-7752-CB

Range Rover L405 Engine Cooling Water Hose Pipe Line Tube CPLA-7752-CB

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A1668303800

Coolant Hose Mercedes GLE W166 C292 OM642 Water Cooling Line A1668303800

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 059121075FE

Audi A7 4G Water Coolant Cooling Hose Pipe 3.0 TDI Diesel Engine 059121075FE

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8629960

Mini F55 F56 Petrol Turbo Charger Coolant Hose Oil Pipe Line 8629960

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8K0145922A

Audi S4 B8 Engine Coolant Pipe Hose Line Left N/S Outer 3.0 TFSI 8K0145922A

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. G4D3-8555-BC

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

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9896554

BMW F70 F74 U06 U10 U11 Heat Management Module Line Tube Hose Pipe 9896554

€42.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 99610612654

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

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A1775017301

Mercedes W177 A35 AMG M260 Coolant Hose Radiator To Water Pump A1775017301

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 2534057

Ford Transit Custom Heater Coolant Pipe Hose Line 2.0 EcoBlue GK21-18K579-BH

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 1K0122157AN

VW Golf Mk5 V Mk6 VI Petrol Engine Water Coolant Pipe Hose Line 1K0122157AN

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. 04L121101

Volkswagen Passat B8 Coolant Water Hose Pipe 2.0 TDI 04L121101

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8R0121101G

Audi A4 B8 A5 Water Coolant Hose Pipe Line 8R0121101G

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. A1635000075

Mercedes W163 Engine Water Circulation Hose Tube Line Pipe ML 350 A1635000075

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. A1772030064

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

€32.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

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: Jul 29 – Aug 3

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: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

Part no. A2722030782-1

Mercedes S212 C207 Coolant Hose EGR Line Water Circulation A2722030782

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7636413

Coolant Hose BMW i3 I01 Hybrid Rex Water Cooling Pipe Electric Motor 7636413

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7808080

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

€23.95

Free delivery: Jul 29 – Aug 3

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: Jul 29 – Aug 3

If paid before 14:00

...

Showing 1684-1782 of 3208 products