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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Range Rover Evoque L551 Coolant Hose Pipe 2.0 Hybrid M8D2-8B159-AB

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2125018282

Mercedes W204 W212 Water Pipe OM651 Engine Cooling Coolant Hose Line A2125018282

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7P5122447F-2

Porsche Cayenne 92A Water Breather Pipe Hose Cooling Tube 7P5122447F

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1371293

Ford Transit Mk7 Coolant Cooling Hose Pipe Line 2.2 TDCi 6C11-3B274-BC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06K121085A

Volkswagen Golf R Mk7 Coolant Water Pipe Hose 2.0 TFSI 06K121085A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1725010358

Mercedes R172 Engine Radiator Coolant Hose Pipe A1725010358

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. M8A2-8286-BD-1

Land Rover Range Rover Velar L560 Water Coolant Hose Pipe 2.0 D M8A2-8286-BD

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BH42-15141-AA

Land Rover Range Rover L322 Auxiliary Water Valve Pipe 4.4 TDV8 BH42-15141-AA

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 079121127E

Audi RS6 C7 RS7 4G Coolant Flange Adapter Cooling Pump Pipe Hose 4.0L 079121127E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7596835

Coolant Hose BMW F20 F21 F30 N13 Engine Cooling Water Pipe Line 7596835

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3AA122101F

Volkswagen Passat B7 Radiator Upper Coolant Hose Pipe 2.0 TDI 3AA122101F

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. PFV000100

Land Rover Discovery L318 Coolant Pipe Hose Line 2.5 Diesel Engine 3H2Z-8569-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121449N

Audi A4 B9 A5 F5 A6 C8 3.0 TDI Coolant Water Pipe Hose Tube Line 059121449N

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1J0121444EF

Audi TT 8N A3 8L Seat Leon 1M Golf Mk4 Coolant Hose Pipe Line Petrol 1J0121444EF

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0121064D

Audi A3 8P Seat Altea 5P Audi TT 8J Mk2 Cooling Coolant Pipe Hose 1K0121064D

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2702030682

Water Hose Mercedes W176 W246 M270 Coolant Cooling Pipe Line A2702030682

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8602623

BMW G30 G11 G12 Engine Water Coolant Hose Pipe Line 2.0 Petrol Hybrid 8602623

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0121058AE

VW Polo GTI AW Audi A3 8V Water Hose Cooling Coolant Pipe 2.0 TFSI 5Q0121058AE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9A7145405

Porsche Macan 95B Engine Coolant Water Pipe Hose Cooling Tube 06M145405H

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0121049DJ-1

Volkswagen Touran 1T Water Coolant Hose Pipe Line 1.4 TSI 1K0121049DJ

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2742001382

Cooling Line Mercedes W204 W212 C253 Water Pipes Hoses Coolant A2742001382

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BH42-8C289-AA

Land Rover Range Rover L322 Heater Hose Vent Pipe 4.4 V8 Diesel BH42-8C289-AA

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6C0122051P

Audi A1 8X Volkswagen Polo 6C Water Coolant Hose Pipe 1.0 TFSI 6C0122051P

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5N0121051J

Water Hoses Volkswagen Tiguan 5N 1.6 TDI Radiator Coolant Pipe Line 5N0121051J

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9X23-8286-BD

Jaguar XF X250 Water Coolant Bottom Hose Pipe Line Tube 3.0 V6 9X23-8286-BD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8475729

BMW F45 F46 Mini F54 Engine Cooling Radiator Expansion Tank Hose B47 8475729

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8676894

BMW 3 Series F30 LCI 330e B48X Radiator Water Coolant Hose Pipe Return 8676894

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06E131831S

Audi A4 B8 A5 8T A6 C7 A7 4G Engine Water Coolant Hose Pipe 3.0 TFSI 06E131831S

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4M0819927C

Audi Q7 4M Water Coolant Hose Tube Line Pipe 3.0 TDI Diesel Set 4M0819927C

€80.95

Free delivery: Nov 10 – 13

If paid before 14:00

Part no. 8V61-18286-KD

Ford C-Max Mk2 Water Coolant Pipe Hose Line 1.6 TDCI 8V61-18286-KD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2642001001

Mercedes W205 Water Hose Engine Coolant Cooling Pipe Line M264 A2642001001

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0121447BG

Volkswagen Golf Mk5 2.0 FSI Petrol Water Coolant Pipe Hose 1K0121447BG

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7591091

BMW F01 F02 F03 F10 F11 Coolant Cooling Pipe Hose Line Petrol Engine 7591091

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7H0815801

Volkswagen Transporter T5 Water Coolant Pipe Hose 2.5 TDI 7H0815801

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A9065010482

Coolant Hose Mercedes Sprinter W906 Diesel OM642 Radiator Water Line A9065010482

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6927808

BMW 5 6 Series E60 E61N M5 E63 E64 M6 Hose From Water Valve and Radiator 6927808

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0122101KS

Audi A3 8P 2.0 TFSI Petrol Engine Radiator Coolant Hose Line Pipe 1K0122101KS

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2125019882

Mercedes W212 OM651 Water Pipe Engine Cooling Coolant Hose Line A2125019882

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6939213

BMW Z4 Series E85 Roadster Cabrio Hose From Radiator From Additional Water Pump

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A9078300102

Mercedes Sprinter W907 Water Coolant Pipe Hose Cooling Line A9078300102

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7541062

BMW Z4 E85 Roadster Cabrio Radiator Cooling Coolant Water Hose 7541062

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7270982

BMW 3 4 Series F30 F31 F32 F33 Radiator Coolant Vent Pipe Hose Petrol 7270982

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G0122293BF

Audi A6 RS6 C7 Radiator Coolant Hose Adapter Rear Left N/S 4G0122293BF

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. L8D2-8D198-AB

Land Rover Discovery Sport L550 Coolant Water Hose Pipe 1.5 L8D2-8D198-AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. JHB501670

Land Rover Discovery 4 L319 2.7 V6 Lion Water Coolant Pipe Hose Line JHB501670

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7591092

BMW F01 F02 F03 F10 F11 Coolant Cooling Pipe Hose Line Petrol Engine 7591092

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055016100

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line Petrol A2055016100

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. CPLA-8260-DD

Range Rover L405 Coolant Hose Line Tube Pipe 4.4 Diesel CPLA-8260-DC

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0819334E

Audi A4 B8 Heat Exchanger Heater Pipe Hose Line 2.0 TDI 8K0819334E

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9P1121465

Porsche 718 Boxster 982 Coolant Overflow Line Hose Pipe Left N/S 9P1121465

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6402032282

Mercedes W169 W245 Heater Radiator Water Cooling Hose Diesel A6402032282

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6512030902

Mercedes W447 OM651 Diesel Water Coolant Pipe Hose Line A6512030902

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 94810605001

Porsche Cayenne 9PA Engine Water Coolant Pipe Tube Hose 4.5 Petrol 94810605001

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6C0122101T

Audi A1 8X Volkswagen Polo 6C Engine Water Coolant Pipe Hose 1.0 TFSI 6C0122101T

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0121052C

Audi A4 S4 B8 A5 8T Engine Water Coolant Pipe Hose Tube Line 8K0121052C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121445L

Audi A6 C8 Engine Cooling Coolant Water Hose Line Pipe Tube 059121445L

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7591097

BMW F01 F02 F03 Expansion Tank Coolant Pipe Hose Line N74 Petrol 7591097

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0122063

Audi A3 8V Water Coolant Pipe Radiator Hose Fluid Line 1.4 TSI Petrol 5Q0122063

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03L121065T

Audi A3 8P 2.0 TDI Hose Thermostat Coolant Pipe Line 03L121065T

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 83A816738

Audi Q3 RSQ3 F3 Petrol Hose Air Con A/C Intercooler Pipe Line 83A816738

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121103H

Audi SQ5 8R 3.0 TDI CGQB Coolant Hose Line Tube Pipe 059121103H

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. AH22-8B273-AA-1

Land Rover Discovery 4 L319 Thermostat Coolant Hose Pipe AH22-8B273-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2754224

BMW Mini Cooper R55 R56 R57 Cooling System Coolant Radiator Water Hose 2754224

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. M8D2-5H209-AA

Range Rover Evoque L551 EGR Pressure Sensor Hose Line Pipe Set WAP500380

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2742003782-1

Mercedes W205 Water Hose Engine Cooling Coolant Pipe Line A2742003782

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9802831-2

Mini R60 R61 Diesel Engine Inlet Heater Radiator Water Hose Part 9802831

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9485277

Coolant Pipe BMW G30 G31 G38 LCI B48X Hybrid Water Hose Line 9485277

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9P1317233-1

Porsche 718 Boxster 982 Water Coolant Heater Valve Pipe Hose 2.0T 9P1317233

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BH42-8D010-AC

Land Rover Range Rover L322 Coolant Hose Pipe 4.4 TDV8 Diesel BH42-8D010-AC

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8616559

BMW F20 F22 F30 F32 LCI F36 Coolant Hose Pipe B48 B58 Petrol 8616559

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KV61-8B274-VB

Ford Transit Connect Mk2 Water Coolant Hose Pipe 1.5 Diesel KV61-8B274-VB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. PEL500380

Land Rover Discovery 3 L319 2.7 Diesel Water Coolant Pipe Hose Line PEL500380

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055000900

Mercedes W205 Water Pipe Engine Cooling Coolant Hose Line OM651 A2055000900

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2284288-2

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

€108.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7555633

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7811780

BMW Mini Cooper R55 R56 R57 LCI R58 R59 N47N Water Pipe Coolant Hose 7811780

€23.95

Free delivery: Nov 12 – 13

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: Nov 12 – 13

If paid before 14:00

Part no. A2742003782-2

Mercedes W205 Water Hose Engine Cooling Coolant Pipe Line A2742003782

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9222701

BMW 3 Series E90 E91 LCI E92 E93 N57 Diesel Coolant Hose Pipe Line Tube 9222701

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055011600

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line Petrol A2055011600

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2515002875

Mercedes W251 V251 Engine Coolant Hose Tube Line Pipe M642 A2515002875

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. L8D2-8D336-AC

Land Rover Discovery Sport L550 Coolant Hose Pipe Line 1.5 PHEV L8D2-8D336-AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2K0122157AH

Volkswagen Caddy C20 2K Maxi 2K Engine Coolant Hose Tube Line Pipe 2K0122157AH

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7C0121487E

VW Volkswagen Crafter SY Water Hose Cooling Coolant Pipe Line 2.0 TDI 7C0121487E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121511CK

Audi A6 C8 Auxiliary Water Pump Engine Coolant Hose Line Pipe Tube 059121511CK

€94.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3Q0121058C

Audi Q3 F3 Water Hose Cooling Radiator Coolant Pipe Line 2.0 TDI 3Q0121058C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2822030082

Water Hose Mercedes C118 W177 W247 M282 Engine Coolant Pipe Line A2822030082

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0121081BB

Audi A4 S4 B8 A5 8F Radiator Coolant Tank Hose Pipe Line Tube 8K0121081BB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1375346

Ford Kuga C394 Radiator Hose Cooling Pipe 6M5Y-8260-AB

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8N0121088

Audi A3 8L TT TTS 8N Engine Coolant Water Hose Pipe Tube Line 8N0121088

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7588936

Cooling Line Hose BMW F10 F11 F30 F31 N20 Engine Coolant Return Pipe 7588936

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7636409

Coolant Pipe BMW i3 I01 Rex Hybrid Radiator Cooler Water Hose Line 7636409

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1322030402

Smart Fortwo 451 Coolant Feed Line Front Inlet Expansion Tank Hose A1322030402

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9485281

Coolant Pipe BMW G30 G31 G38 LCI B48X Hybrid Radiator Water Hose Line 9485281

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A60782

Mini F65 F66 BMW F74 Crankcase Ventilation Scavenge Air Line Pipe 5A60782

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6512031782

Water Hose Mercedes W176 W246 OM651 Water Coolant Pump Pipe Line A6512031782

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. BK3Q-8K512-BC

Ford Transit Mk7 2.4L Duratorq-TD Radiator Water Coolant Pipe Hose BK3Q-8K512-BC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1764346

Ford Mondeo Mk4 Engine Coolant Hose Tube Line Pipe 1.6 TDCi BG91-8274-JA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2773653

Ford Transit Connect 2.0 EcoBlue Water Coolant Pipe Hose Line GK21-8260-BE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

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