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

Skoda Superb 3V VW Golf MK7 Audi Water Coolant Hose Pipe Line 5Q0121064AD

Product currently unavailable

Part no. A4475014000

Mercedes Vito W447 OM654 Coolant Hose Water Cooling Pump Pipe Line A4475014000

Product currently unavailable

Part no. 7612444-1

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

Product currently unavailable

Part no. 7H0122101E

VW Volkswagen Transporter T5 2.5 TDI Top Radiator Coolant Hose Pipe 7H0122101E

Product currently unavailable

Part no. 1351820

Range Rover Sport L320 Engine Water Coolant Pipe Hose Line 2.7 V6 4R8Q-9Y438-BF

Product currently unavailable

Part no. A2215010725

Mercedes W221 Hose Radiator Coolant Cooling Pipe Line A2215010725

Product currently unavailable

Part no. A2475010700

Mercedes X118 W177 W247 Water Coolant Pipe Hose Line A2475010700

Product currently unavailable

Part no. A2215013784

Mercedes W221 Water Hose Radiator Coolant Cooling Pipe Line A2215013784

Product currently unavailable

Part no. 93861932

Water Hose Renault Trafic 2 Opel Vivaro A Coolant Pipe Line 93861932

Product currently unavailable

Part no. 7537109

Coolant Hose BMW X5 E70 3.0si N52N Radiator Line Pipe Petrol 7537109

Product currently unavailable

Part no. 8K0121081BG

Audi A4 B8 A5 8T 3.0 TDI Rear Coolant Water Breather Pipe Line Hose 8K0121081BG

Product currently unavailable

Part no. A2515013582

Mercedes W251 Engine Water Coolant Pipe Hose Line Diesel A2515013582

Product currently unavailable

Part no. A2055010902

Mercedes W205 Engine Water Coolant Pipe Hose Line M264 A2055010902

Product currently unavailable

Part no. 1740481

BMW E39 Petrol Bottom Radiator Water Hose 1740481

Product currently unavailable

Part no. A1695010482

Mercedes W169 W245 Turbo Air Flow Intercooler Coolant Hose Pipe A1695010482

Product currently unavailable

Part no. 4E0121082K

Audi S8 D3 Engine Cooling Radiator Coolant Water Hose Pipe Line 4E0121082K

Product currently unavailable

Part no. 9X2Q9Y438CB

Jaguar XF250 3.0 306DT AJV6D Radiator Coolant Hose Line Pipe 9X2Q9Y438CB

Product currently unavailable

Part no. LR023321

Land Rover Freelander 2 L359 Water Coolant Hose Pipe 6G918274PG

Product currently unavailable

Part no. PCH502400-1

Range Rover L322 Coolant Water Pipe Hose Line 3.6 V8 Diesel PCH502400

Product currently unavailable

Part no. BJ32-8260-AD

Land Rover Range Rover Evoque L538 Radiator Top Coolant Hose Pipe BJ32-8260-AD

Product currently unavailable

Part no. 03G121151AB

VW Touran Golf V Passat B6 TDI Water Hose Coolant Tube Pipe Line 03G121151AB

Product currently unavailable

Part no. A2055018401

Mercedes W205 Water Pipe Line Cooling Coolant Hose A2055018401

Product currently unavailable

Part no. A2103200114

Mercedes-Benz E-Class W210 Power Steering Fluid Tank Reservoir A2103200114

Product currently unavailable

Part no. 21503366OR

Renault Trafic Water Hose Radiator Coolant Cooling Pipe Line 21503366OR

Product currently unavailable

Part no. A6112031682

Mercedes W203 OM611 Water Hose Coolant Water Pump Pipe Line A6112031682

Product currently unavailable

Part no. A1775011503

Coolant Hose Mercedes CLA C118 W177 W247 M282 Cooling Pipe Line A1775011503

Product currently unavailable

Part no. 7578687

BMW F10 F12 F07 GT Petrol N63 Turbocharger Coolant Feed Pipe Cyl. 1-4 7578687

Product currently unavailable

Part no. 8580477

Coolant Hose BMW F40 B47B Mini F55 F56 B47D Radiator Water Coolant Pipe 8580477

Product currently unavailable

Part no. 5Q0121070BR-2

Audi A3 8V 2.0 TFSI Water Hose Engine Coolant Cooling Pipe Line 5Q0121070BR

Product currently unavailable

Part no. A2115011182

Mercedes E-Class S211 W211 Cooling Engine Water Coolant Hose Pipe A2115011182

Product currently unavailable

Part no. 059121163F

Audi A5 8T Engine Water Coolant Pipe Cooling Hose Line 059121163F

Product currently unavailable

Part no. 8Y0121103

Audi RS3 8Y 2.5 TFSI Engine Water Cooling Pipe Hose Outer Left N/S 8Y0121103

Product currently unavailable

Part no. A2038300696

Water Hose Mercedes W203 W209 OM611 Water Coolant Cooling Pipe Line A2038300696

Product currently unavailable

Part no. 059121073B

VW Volkswagen Touareg 7L Radiator Cooling Pipe Hose Line 3.0 TDI 059121073B

Product currently unavailable

Part no. A2045011125

Mercedes W204 W207 Engine Cooling Coolant Hose Bleed Line OM651 A2045011125

Product currently unavailable

Part no. A6398320123

Mercedes Vito Viano W639 Water Hose Heater Cooling Coolant Pipe Line A6398320123

Product currently unavailable

Part no. 04L121026AH

Seat Ateca 2.0 TDI Diesel Thermostat Housing Pipe Hose 04L121026AH

Product currently unavailable

Part no. 8V0122157

Audi RS3 8Y 2.5 TFSI Engine Water Cooling Pipe Hose Line Tube Center 8V0122157

Product currently unavailable

Part no. 03L122157R

Volkswagen Golf Mk6 Caddy 1.6 TDI Diesel Water Coolant Pipe Hose 03L122157R

Product currently unavailable

Part no. 3Q0122058E

Audi Q2 GA 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 3Q0122058E

Product currently unavailable

Part no. 3Q0121156B

Skoda Karoq VW Golf Mk8 Water Coolant Pipe Hose 2.0 TDI 3Q0121156B

Product currently unavailable

Part no. A1332000951

Mercedes W176 M133 A45 AMG Coolant Pipe Hose Line Tube A1332000951

Product currently unavailable

Part no. 8W0145670G

Audi A4 B9 A5 F5 Water Coolant Hose Pipe Line 2.0 TDI 8W0145930H 8W0145670G

Product currently unavailable

Part no. 9811352

Water Hose Mini R60 R61 Coolant Radiator Pipe Line Cooling Petrol 9811352

Product currently unavailable

Part no. 9332283

BMW 5 F10 F11 LCI B47 Coolant Hose Pipe Return Heat Exchanger Engine 9332283

Product currently unavailable

Part no. 1705223

Coolant Hose BMW E39 E38 Petrol M52 Radiator Water Hose Line 1705223

Product currently unavailable

Part no. A6292031382

Mercedes W164 OM629 Coolant Water Pipe Hose Line Tube A6292031382

Product currently unavailable

Part no. 8K0121109AA

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

Product currently unavailable

Part no. LR015811

Land Rover Discovery 4 L319 Cooling System Bleed Hose Tube Line AH22-8C362-BC

Product currently unavailable

Part no. 1K0121087E

Audi A3 8P 1.6 MPI BSE Coolant Flange Pipe Hose Line Tube 1K0121087E

Product currently unavailable

Part no. A2515018482

Coolant Hose Mercedes W251 Diesel OM642 Water Pump Radiator Line A2515018482

Product currently unavailable

Part no. 8580480

Coolant Hose BMW F40 F45 LCI F48 N47N Radiator Water Cooling Pipe Diesel 8580480

Product currently unavailable

Part no. 8607962

Mini F56 Engine Coolant Pipe Hose Line Tube 8607962

Product currently unavailable

Part no. 7E0122157BH

VW Volkswagen Transporter T5 Water Hose Coolant Pipe Line 2.0 TDI 7E0122157BH

Product currently unavailable

Part no. 059121075BT

Audi Q7 4L 3.0 TDI BUG Diesel Engine Water Coolant Hoses Line Pipe 059121075BT

Product currently unavailable

Part no. 6928593

BMW E90 E91 E92 E93 LCi M57N2 Water Coolant Radiator Pipe Hose 6928593

Product currently unavailable

Part no. 7P0121065M

Porsche Cayenne 92A ATF Preheater Coolant Pipe Hose Bracket 7P0121065M

Product currently unavailable

Part no. 06K121497AM

Audi S3 8V VW Golf Mk7 Cooling Water Hose Coolant Pipe Line 2.0 TFSI 06K121497AM

Product currently unavailable

Part no. 8740115

BMW F30 LCI Cylinder Head Expansion Tank Coolant Hose Cooling Pipe Line 8616141

Product currently unavailable

Part no. 3Q0121049AD

Skoda Karoq VW Golf Mk8 Water Coolant Pipe Hose Line 2.0 TDI 3Q0121049AD

Product currently unavailable

Part no. 7L6122109E

Porsche Cayenne 9PA Audi Q7 4L Water Hose Cooling Radiator Pipe 7L6122109E

Product currently unavailable

Part no. A6542033502

Mercedes W213 C238 X253 OM654 Water Coolant Pipe Hose Line A6542033502

Product currently unavailable

Part no. 1438634

Water Hose BMW E38 E39 Petrol Engine M52 Coolant Hose Line 1438634

Product currently unavailable

Part no. 04L122073E

VW Scirocco Mk3 Jetta A6 Audi A3 8V Q3 8U Coolant Pipes Hoses 2.0 TDI 04L122073E

Product currently unavailable

Part no. A6542034000

Coolant Pipe Mercedes W213 Diesel OM654 Oil Cooler Feed Coolant Hose 6542034000

Product currently unavailable

Part no. 8386544

BMW 3 Series E46 Heating Cooler Water Pipe Hose 8386543 8386544

Product currently unavailable

Part no. A1775011101

Mercedes W177 Water Coolant Pipe Hose A1775011101

Product currently unavailable

Part no. 7E0121086H

VW Volkswagen Transporter T5 2.0 TDI CAAA Coolant Hose Pipe Line 7E0121086H

Product currently unavailable

Part no. 5N0122101T

Audi Q3 8U Water Hose Cooling Coolant Radiator Pipe Line 5N0122101T

Product currently unavailable

Part no. 06A121065BQ

Audi S3 TT 8N 1.8T Water Pipe Coolant Supply Metal Hose 06A121065BQ

Product currently unavailable

Part no. A2822030182

Coolant Hose Mercedes W177 Petrol M282 Oil Cooler Water Line A2822030182

Product currently unavailable

Part no. 7547244

Coolant Hose BMW X5 E70 3.0si N52N Engine Cooling Cylinder Head Pipe 7547244

Product currently unavailable

Part no. 06E121045AA

Audi A4 S4 B8 S5 8T A6 C7 Engine Coolant Hose Tube Line Pipe 06E121045AA

Product currently unavailable

Part no. 9800488

Mini Cooper One R60 R61 Cooling System Water Vent Hose 9800488

Product currently unavailable

Part no. 045121065M

VW Volkswagen Polo 9N 1.4 TDI Coolant Pipe Hose Line Tube 045121065M

Product currently unavailable

Part no. 7565781

BMW 5 6 E60 E61 E63 LCI N52N N53 Radiator Coolant Return Hose Line Pipe 7565781

Product currently unavailable

Part no. 2284688

BMW F80 M3 F83 LCI Remote Radiator Coolant Vent Pipe Hose Left N/S

Product currently unavailable

Part no. A2058301403

Mercedes W205 Water Hose Engine Cooling Coolant Pipe A2058301403

Product currently unavailable

Part no. A2065017700

Mercedes W206 Engine Water Coolant Pipe Hose Line A2065017700

Product currently unavailable

Part no. A1645005875

Mercedes W164 X164 Radiator Cooling Coolant Hose Pipe Line A1645005875

Product currently unavailable

Part no. 6R0122447AD

Seat Ibiza 6J VW Polo 6R Coolant Water Hose Pipe 1.2 TDI 6R0122447AD

Product currently unavailable

Part no. 4F0121081F

Audi A6 C6 Water Hose Coolant Cooling Tube Pipe Line 2.0 Diesel 4F0121081F

Product currently unavailable

Part no. 7L0122101E

Volkswagen Touareg 7L Engine Water Coolant Pipe Hose 3.2 V6 Petrol 7L0122051

Product currently unavailable

Part no. 06H103221J

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

Product currently unavailable

Part no. 9X2Q8A544BA

Land Rover Range Sport L320 3.0d Water Pipe Coolant Hose Line 9X2Q-8A544-BA

Product currently unavailable

Part no. 8K1819376G

Audi A4 B8 8K 2.0 TDI CAGA Coolant Hose Heater Water Line 8K1819376G

Product currently unavailable

Part no. 1K0122447HB

Audi A3 8P Water Coolant Pipe Hose Line 1.4 TFSI CAXC 1K0122447HB

Product currently unavailable

Part no. 2249460

BMW 7 Series E65 M57N 730d Engine Cooling Radiator Coolant Water Hose 2249460

Product currently unavailable

Part no. A6398306315-2

Heater Hose Mercedes Vito W639 Water Coolant Return Pipe Diesel A6398306315

Product currently unavailable

Part no. 4D0133335

Audi A4 B9 A5 8T F5 Radiator Bottom Coolant Closure Cap Flange 4D0133335

Product currently unavailable

Part no. 1705224

Radiator Hose BMW E38 E39 Petrol Engine M52 Water Coolant Hose Line 1705224

Product currently unavailable

Part no. 110606508R

Vauxhall Vivaro Renault Trafic Water Coolant Pipe Hose Line 110606508R

Product currently unavailable

Part no. 7551051

BMW 5 Series E61 LCI 530i N53 Brake Servo Vacuum Valve Pipe 7551051

Product currently unavailable

Part no. 2249779

BMW 3 E46 M47N Engine Cooling Radiator Water Hose Pipe Line Diesel 2249779

Product currently unavailable

Part no. 1K0121156DL

Audi A3 8P Seat Leon II Water Hose Coolant Pipe Line 2.0 TDI 1K0121156DL

Product currently unavailable

Part no. 3Q0122101CG

VW Volkswagen Golf Mk8 Water Coolant Pipe Hose Line 2.0 TDI Diesel 3Q0122101CG

Product currently unavailable

Part no. 4F0121101Q

Audi A6 C6 Water Hose Cooling Radiator Coolant Pipe Line 2.0 TDI 4F0121101Q

Product currently unavailable

Part no. 3Q0122157AF

Skoda Karoq Water Coolant Pipe Hose Line 2.0 TDI 3Q0122157AF

Product currently unavailable

Part no. A2435002800

Mercedes H243 Water Hose Radiator Coolant Cooling Pipe Line Left N/S A2435002800

Product currently unavailable

...

Showing 3070-3168 of 3535 products