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

VW Volkswagen Golf Sportsvan 1.5 TSI Water Coolant Pipe Hose Line 5Q0122051EN

Product currently unavailable

Part no. A2055016200

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055016200

Product currently unavailable

Part no. 7519248

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

Product currently unavailable

Part no. 4F0121101G

Audi A6 C6 Water Hose Cooling Radiator Coolant Pipe Line 4F0121101G

Product currently unavailable

Part no. A6542032801

Coolant Hose Mercedes W177 C118 W247 Diesel OM654 Water Line A6542032801

Product currently unavailable

Part no. 1477970

Ford Mondeo Mk4 Engine Cooling Coolant Hose Tube Pipe Line 6G91-8286-FB

Product currently unavailable

Part no. A2055019082

Mercedes W205 Water Hose Cooling Radiator Coolant Pipe Line A2055019082

Product currently unavailable

Part no. 5Q0121156C

Volkswagen VW Golf SV Petrol Engine Coolant Pipe Hose Vent 5Q0121156C

Product currently unavailable

Part no. 7800099

Coolant Hose BMW F01 F02 F10 F11 Radiator Water Cooling Pipe Diesel 7800099

Product currently unavailable

Part no. 7518503-3

BMW Mini Cooper S R52 R53 Engine Cooling System Coolant Line Hose Pipe 7518503

Product currently unavailable

Part no. A4475014700

Mercedes Vito W447 Water Pipe Coolant Cooling Hose Line Heater Valve A4475014700

Product currently unavailable

Part no. 8E0145738D

Audi A4 B7 3.0 TDI BKN Turbo Intercooler Pipe Hose Line Tube 8E0145738D

Product currently unavailable

Part no. 2001458

Ford Ranger Mk3 Coolant Water Pipe Hose Line 2.2 TDCI EB3G-6853-FB

Product currently unavailable

Part no. A9065280124

Mercedes Sprinter W906 Air Intake Inlet Hose Charge Pipe Line Diesel A9065280124

Product currently unavailable

Part no. A2055017601

Bleed Hose Mercedes W205 Coolant Expansion Tank To Radiator Line A2055017601

Product currently unavailable

Part no. 8K0819334AD

Audi A4 B8 Heating Auxiliary Heater Pipe Hose Line 8K0819334AB

Product currently unavailable

Part no. 6R0122109

Coolant Hose VW Polo 6R Seat Ibiza 6J 1.2 TSI Petrol CBZB Water Line 6R0122109

Product currently unavailable

Part no. 5A1D497

Water Hose BMW F70 F74 U06 U11 Engine Coolant Cooling Pipe Line 5A1D497

Product currently unavailable

Part no. A2702032902-3

Mercedes C117 W176 W246 Water Pipe Coolant Hose Line M270 A2702032902

Product currently unavailable

Part no. 8C1Q-9Y438-AA

Ford Transit Water Hose Engine Cooling Radiator Coolant Pipe 8C1Q-9Y438-AA

Product currently unavailable

Part no. A2642008600

Mercedes W205 M264 Petrol Engine Water Coolant Pipe Hose A2642008600

Product currently unavailable

Part no. A2515018482

Coolant Hose Mercedes W251 Diesel OM642 Water Pump Radiator Line A2515018482

Product currently unavailable

Part no. A2742003782-1

Mercedes W205 Water Hose Engine Cooling Coolant Pipe Line A2742003782

Product currently unavailable

Part no. 6C0122051AK

Seat Ibiza Mk4 6J VW Polo Mk5 Coolant Hose Line Tube Pipe 1.4 Diesel 6C0122051AK

Product currently unavailable

Part no. 7803066

BMW F12 Cover Intercooler Lower Shield Front Cooling Assembly Protection 7803066

Product currently unavailable

Part no. A2742003782-2

Mercedes W205 Water Hose Engine Cooling Coolant Pipe Line A2742003782

Product currently unavailable

Part no. 7519247

BMW 5 6 Series E60 E61 E63 E64 Radiator Coolant Vent Pipe Hose Petrol 7519247

Product currently unavailable

Part no. 03G121065AE

Audi A3 8P Seat Leon Mk2 2.0 TDI Water Coolant Cooling Pipe Hose Line 03G121071A

Product currently unavailable

Part no. 7580957

Cooling Pipe BMW F10 F11 F12 F13 F18 N55 Petrol Radiator Hose Line 7580957

Product currently unavailable

Part no. A9065283182

Mercedes Sprinter W906 Air Intake Inlet Hose Charge Pipe Line Diesel A9065283182

Product currently unavailable

Part no. 5Q0122101CN

Skoda Superb Mk3 1.6 2.0 Diesel Water Coolant Pipe Hose Line 5Q0122101CN

Product currently unavailable

Part no. 059121086AH-1

AUDI Q7 4L Quattro Diesel CRCA 3.0 TDI Coolant Hose Water Hose Line 059121086AH

Product currently unavailable

Part no. A2048305796

Water Pipe Mercedes W204 OM651 Engine Cooling Radiator Coolant Hose A2048305796

Product currently unavailable

Part no. 5Q0122101HB-1

Seat Leon Cupra Mk3 Water Coolant Pipe Hose Line Tube 2.0 TFSI 5Q0122101HB

Product currently unavailable

Part no. 1765404

Ford Mondeo Mk4 Engine Cooling Coolant Hose Tube Pipe Line 6G91-8B159-JE

Product currently unavailable

Part no. 9X239Y439AD

Jaguar XF250 Cooling Pipe Radiator Coolant Fluid Hose Line 9X239Y439AD

Product currently unavailable

Part no. 8668740

Water Hose BMW F40 Mini F54 LCI F60 B48E Coolant Radiator Pipe Line 8668740

Product currently unavailable

Part no. PCH503200

Range Rover L322 Engine Radiator Coolant Hose Cooling Pipe Line PCH503200

Product currently unavailable

Part no. 8V0121124

Audi RS3 8V Engine Oil Coolant Hose Pipe Line Tube 2.5 TFSI 8V0121124

Product currently unavailable

Part no. 3404071

BMW X3 E83 2.0i N46 Cooling System Coolant Water Hose Pipe 3404071

Product currently unavailable

Part no. LR025969

Land Rover Discovery 4 L319 Water Coolant Hose Connector Tube 3.0 LR025969

Product currently unavailable

Part no. A2731420083

Mercedes W164 W221 C219 Molded Hose Coolant Hose Pipe Line M273 A2731420083

Product currently unavailable

Part no. 8K0819337A

Audi A4 B7 2.0 TDI BRE Diesel Water Coolant Pipe Hose Line Tube 8K0819337A

Product currently unavailable

Part no. A6110701133

Mercedes W639 OM646 Fuel Injection Pressure Pipe Rail Injector Set A6110701133

Product currently unavailable

Part no. 07L121053E

Audi S6 C6 S8 D3 Quattro 5.2 FSI V10 BSM Coolant Pipe Hose Water Line 07L121053E

Product currently unavailable

Part no. 5A0C597

BMW F70 F74 F78 B48R Water Coolant Radiator Pipe Hose Line 5A0C597

Product currently unavailable

Part no. 7L6122051H

Volkswagen Touareg 2.5 TDI Water Hose Radiator Coolant Tube Pipe Line 7L6122051H

Product currently unavailable

Part no. 3M5H9Y438AC

Ford Mondeo MK4 Water Hose Engine Cooling Radiator Heater Pipe 3M5H-9Y438-AC

Product currently unavailable

Part no. 8658483-1

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

Product currently unavailable

Part no. 8517079

Water Hose BMW F10 F11 F13 535d 640d N57Z Coolant Cooling Pipe Line 8517079

Product currently unavailable

Part no. A2115001972

Water Hose Mercedes W211 CLS C219 Radiator Coolant Cooling Pipe Line A2115001972

Product currently unavailable

Part no. A2475063000

Heater Pipe Mercedes W177 W247 Water Hose Coolant Pipe Line A2475063000

Product currently unavailable

Part no. CC11-18K579-BC

Ford Transit Mk7 V Water Coolant Pipe Hose Line 2.2 Diesel CC1118K579BC

Product currently unavailable

Part no. 1K0122109BT

Volkswagen Golf Mk5 Audi A3 8P Water Hose Cooling Coolant Pipe Line 1K0122109BT

Product currently unavailable

Part no. 04C133320F

Audi A1 8X Fuel Injection Line Pressure Pipe Rail Injector 1.0 TFSI 04C133320F

Product currently unavailable

Part no. 059121598R

Audi SQ5 8R 3.0 TDI CGQB Twin Turbo Coolant Feed Pipe Hose Line 059121598R

Product currently unavailable

Part no. 1740481

BMW E39 Petrol Bottom Radiator Water Hose 1740481

Product currently unavailable

Part no. 7535901

Mini Cooper R50 R52 Cooling System Coolant Radiator Water Hose 7535901

Product currently unavailable

Part no. 7615608

Cooling Hose BMW E84 N20 20i Petrol Radiator Water Coolant Pipe Line 7615608

Product currently unavailable

Part no. 1405742

Ford Galaxy Mk2 Water Hose Coolant Hose Pipe Line 2.0 TDCI Diesel 6G91-8B159-KC

Product currently unavailable

Part no. 3449195

Engine Inlet Hose BMW X3 E83 LCI 2.5si 3.0si N52N Coolant Valve Pipe 3449195

Product currently unavailable

Part no. 03L122157Q-1

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

Product currently unavailable

Part no. A2762006651

Coolant Hose Mercedes C238 Turbo Cooling Return Line A2762006051

Product currently unavailable

Part no. A2435004700

Mercedes EQA350 H243 Electric Drive Coolant Hose Water Line A2435004700

Product currently unavailable

Part no. A2103200114

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

Product currently unavailable

Part no. 5Q0121049CL

Volkswagen Golf Mk7 Audi A3 8V Water Hose Coolant Radiator Pipe Line 5Q0121049CL

Product currently unavailable

Part no. 8053467

BMW X3 F97 X4 F98 Charge Air Cooler Coolant Hose Pipe 8053467

Product currently unavailable

Part no. A2048302696-1

Mercedes W204 C63 AMG Water Hose Cooling Coolant Pipe Line A2048302696

Product currently unavailable

Part no. 2284289

Coolant Hose BMW F10 M5 F12 F13 M6 Water Cooling Pipe Radiator 2284289

Product currently unavailable

Part no. A6511400675-4

EGR Exhaust Cooler Mercedes W639 W906 Diesel OM651 Valve A6511420467

Product currently unavailable

Part no. 05E122447E

Volkswagen Golf CD1 Water Pipes Hoses Coolant Cooling Line 05E122447E

Product currently unavailable

Part no. A2438304400

Water Hose Mercedes H243 Radiator Coolant Cooling Pipe Line A2438304400

Product currently unavailable

Part no. 2284288

Coolant Hose BMW F10 M5 F12 F13 M6 Water Cooling Pipe Radiator 2284288

Product currently unavailable

Part no. 7518503

BMW Mini Cooper S R52 R53 Engine Cooling System Coolant Line Pipe Hose 7518503

Product currently unavailable

Part no. 5WA121070C

Audi A3 8Y Coolant Water Hose Line Tube Pipe 5WA121070C

Product currently unavailable

Part no. A1684703420

Mercedes-Benz A-Class W168 Petrol Fuel Tank Filler Neck Pipe Hose A1684703420

Product currently unavailable

Part no. A6402001452-1

Thermostat Hose Mercedes W169 W245 OM640 Water Coolant Pipe Line A6402001452

Product currently unavailable

Part no. A2185010064

Mercedes W212 E63 CLS W218 AMG Water Hose Coolant Radiator Pipe Line A2185010064

Product currently unavailable

Part no. 4F0121055J

Audi A6 C6 Water Hose Coolant Cooling Tube Pipe Line 4F0121055J

Product currently unavailable

Part no. LR032862

Land Rover EVOQUE L538 Gearbox Cooling Radiator Hose Line Pipe BJ32-7G070-AC

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. 1J0121407D

Audi TT 8N Coolant Expansion Header Tank Bottle Reservoir Cap 1J0121407D

Product currently unavailable

Part no. A0005061500

Mercedes H243 Engine Cooling System Coolant Water Valve Unit A0005061500

Product currently unavailable

Part no. 2249780

BMW 3 Series E46 M47N Radiator Coolant Water Hose Pipe 2249780

Product currently unavailable

Part no. 8200845262

Renault Trafic 2 Water Hose Engine Cooling Radiator Heater Pipe 8200845262

Product currently unavailable

Part no. 80A122101BS

Audi Q5 FY Water Coolant Pipe Hose Tube Line Diesel 2.0 Diesel 80A122101BS

Product currently unavailable

Part no. 038121086M

Audi A4 B7 Water Cooling Coolant Pipe Hose Line 2.0 TDI 038121086M

Product currently unavailable

Part no. 8580486

Expansion Tank Line Coolant Hose BMW F40 B47B Mini F56 B47D Water Pipe 8580486

Product currently unavailable

Part no. 1K0122447T

Volkswagen Audi Seat Skoda Water Hose Radiator Coolant Pipe Line 1K0122447T

Product currently unavailable

Part no. 4G0122055H

Audi A7 4G8 3.0 TDI CRTE Radiator Coolant Water Pipe Hose Line Tube 4G0122055H

Product currently unavailable

Part no. 03G121071A

Audi A4 B7 2.0 TDI Water Hose Radiator Coolant Pipe Line 03G121071A

Product currently unavailable

Part no. A1635013782

Mercedes W163 Recirculating Pump Expansion Tank Hose Tube Line Pipe A1635013782

Product currently unavailable

Part no. A2115011082

Mercedes-Benz W211 E 270 CDI Diesel Engine Cooling Radiator Hose A2115011082

Product currently unavailable

Part no. A2562032102

Power Electronics Cooling Mercedes W213 Transmission Cooler Hose A2562032102

Product currently unavailable

Part no. A6262030702

Mercedes W205 Coolant Water Hose Pipe Line Cooler A6262030702

Product currently unavailable

Part no. 03C121050J

Volkswagen Golf Mk5 Heater Water Cooling Pipe Hose Line 2.0 TDI 03C121050J

Product currently unavailable

Part no. 05E122447F

VW Volkswagen Golf 8 1.5 eTSI DFYA Water Coolant Pipe Line Hose Tube 05E122447F

Product currently unavailable

Part no. 1K0121086AC

Coolant Hose Audi A3 8P VW Golf 5 Seat Leon 2 Diesel 2.0 Tdi BMN 1K0121086AC

Product currently unavailable

Part no. A2475010182

Water Hose Mercedes W177 W247 M282 Coolant Radiator Pipe Line A2475010182

Product currently unavailable

...

Showing 2278-2376 of 3208 products