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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Mercedes Sprinter W907 W910 Water Coolant Hose Pipe Line A9075011800

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2218325294

Mercedes CL C216 W221 Hot Water Auxiliary Heater Pipe Hose Line A2218325294

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 9367387

BMW F39 F45 F48 Mini F60 B38X Water Coolant Supply Hose Pipe 9367387

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. AH22-8584-AC-1

Land Rover Discovery 4 L319 Water Coolant Pipe Hose AH22-8K515-AA AH22-8575-AF

£37.95

Free delivery: Oct 23

If paid before 14:00

Part no. M8D2-8B159-AB

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

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7645520-1

Coolant Hose BMW F45 Mini F60 B38X Radiator Water Feed Line Hybrid 7645520

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. LR071992

Land Rover Discovery L550 Water Pipe Coolant Hose Line 2.0 Diesel GJ32-8B159-AA

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 9503837

Coolant Hose BMW X3 F97 X4 F98 Pipe Expansion Tank Hose 9503837

£47.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8K0145923F

Audi A4 S4 B8 S5 8T Radiator Coolant Hose Tube Pipe Line 8K0145923F

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2478303601

Water Line Mercedes W177 Diesel OM608 Heater Return Hose To Engine A2478303501

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8073447

Coolant Water Hose BMW X3 F97 X4 F98 Expansion Tank Pipe Line 8073447

£47.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7595611

BMW F01 F01 LCI F02 F02 LCI F03 F03 LCI Coolant Hose Tube Pipe Line 7595611

£123.95

Free delivery: Oct 26 – Nov 2

If paid before 14:00

Part no. 1K0121096BQ

Volkswagen Golf Mk6 Water Hose Cooling Radiator Coolant Pipe Line 1K0121096BQ

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 99610652202

Porsche Boxster 986 Engine Water Coolant Pipe Hose Line 99610652202

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 3AA122051A

Volkswagen Passat B7 CC Water Coolant Pipe Hose 2.0 TDI CFGC 3AA122051A

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7C0121069

Volkswagen Crafter SY Water Coolant Hose Pipe Line 7C0121069

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8073446

Coolant Water Hose BMW X3 F97 X4 F98 Expansion Tank Pipe Line 8073446

£47.95

Free delivery: Oct 23

If paid before 14:00

Part no. 9684589080-2

Peugeot 307 Water Hose Cooling Coolant Pipe Line Connector 1.6 HDI 9684589080

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 059121065BK

Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line 2.7 TDI 059121070M

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 1K0122063K

Seat Leon Volkswagen Golf Mk6 Audi A1 8X Water Coolant Pipe Hose Line 1K0122063K

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2125016784

Coolant Pipe Mercedes C207 W212 C218 M276 Petrol Water Hose Line A2125016784

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2742001751

Mercedes W204 M274 Engine Coolant Water Pipe Hose A2742001751

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 059121511G

Audi A5 8T Coolant Pipe Water Hose Cooling Line 2.7 TDI Diesel 059121511G

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8U0121485

Audi RSQ3 8U Front Water Coolant Pipe Hose Line Tube 2.5 TFSI 8U0121485

£42.95

Free delivery: Oct 26 – Nov 2

If paid before 14:00

Part no. A2315001175

Mercedes SL63 R231 M157 AMG Engine Coolant Pipe Hose Line A2315001175

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7C0121487E

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

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. LR071993

Land Rover Discovery L550 Water Pipe Coolant Hose Line 2.0 Diesel GJ32-8B160-AA

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. GK2Q-8K556-AB

Ford Transit Mk8 Ranger S-Max Water Coolant Pipe Hose 2.0 Diesel GK2Q-8K556-AB

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 3417583

BMW X3 Series E83 2.0i N46 Cooling System Coolant Radiator Water Hose 3417583

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 06K121085A

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

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 9292732

BMW i3 I01 Water Coolant Cooling Hose Return Pipe Line 9292732

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A9065010782

Mercedes Sprinter W906 Radiator Coolant Vent Pipe Hose Diesel A9065010782

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8J0121447D

Audi TT 8J 2.0 Petrol Engine Coolant Pipe Hose Line Tube 8J0121447D

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 06Q121085B

VW Golf Mk8 Skoda Octavia Mk4 Audi S3 8Y 2.0 TSI Water Coolant Hose 06Q121085B

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. M8D2-5H209-AA

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

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2055016784

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055018784

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7646679

BMW F15 40eX Water Hose Coolant Expansion Tank Cylinder Head Pipe Line 7646679

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 99610642002

Porsche Boxster 986 Water Coolant Pipe Support Holder Bracket Mount 99610642002

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2742034002

Coolant Pipe Mercedes W213 C238 X253 Heater Water Cooling Hose Line A2742034002

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 5Q0122063

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

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2742000153

Coolant Pipe Mercedes W205 W213 X253 Petrol M274 Water Line A2742000153

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2475010800

Mercedes CLA X118 W177 Water Coolant Cooling Pipe Hose Line OM654 A2475010800

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8K0121030K

Audi A4 B8 Water Hose Radiator Coolant Pipe Line 1.8 2.0 Petrol 8K0121030K

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8577059

Water Hose BMW X3 G01 X4 G02 Diesel Coolant Cooling Radiator Pipe Line 8577059

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 1K0133366BB

Audi A3 8P A4 B7 Golf Mk6 Water Coolant Pipe Hose Line 2.0 TSI 1K0133366BB

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. LR087237-1

Range Rover Evoque L538 EGR Coolant Pipe Outlet Hose Line LR087237

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8597284

Water Hose BMW X3 G01 X4 G02 Radiator Coolant Cooling Feed Tube Pipe 8597284

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. AB39-8B274-AC

Ford Ranger Mk3 Water Cooling Engine Coolant Hose Pipe Tube Line AB398B274AC

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 5Q0121063N

Audi A3 8V 1.0 TSI Water Pipe Engine Cooling Coolant Hose Line 5Q0121063N

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2515013582

Mercedes W251 Engine Water Coolant Pipe Hose Line Diesel A2515013582

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 059121445L

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

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 9119178

BMW F10 F11 F01 F02 N57 Diesel Return Hose Pipe Cooling Water 9119178

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A4535012400

Smart ForTwo C453 1.0 Petrol Engine Water Coolant Pipe Hose Line A4535012400

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 9348174

BMW G32 B57 Diesel Water Coolant Return Hose Line Tube Pipe 9348174

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. RHD-8841820

BMW U06 X1 U11 Radiator Cooling Coolant Water Hose Feed Pipe 8841820

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 06F121057C

Audi A1 8X S3 8P VW Golf R Mk5 Water Coolant Pipe Hose Line 2.0 TSI 06F121057C

£37.95

Free delivery: Oct 23

If paid before 14:00

Part no. A1725012382

Mercedes SLK R172 M271 M276 Coolant Hose Cooler Water Line A1725012382

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2055013291

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Hose Line A2055013291

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 4G0122055AB

Audi A6 C7 A7 4G8 Radiator Coolant Water Pipe Hose Line Tube Petrol 4G0122055AB

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8W0121064B-1

Audi Q7 4M 3.0 TDI Engine Coolant Pipes Hoses Cooling Water Line 8W0121064B

£37.95

Free delivery: Oct 23

If paid before 14:00

Part no. 04L122157CC

Audi A4 B9 2.0 TDI Diesel Engine Coolant Hose Line Pipe Tube 04L122157CC

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 2140689

Ford Transit Connect Mk2 1.5 TDCi Diesel Engine Coolant Hose Pipe 8V61-8260-KE

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A4475013182

Coolant Hose Mercedes W447 OM651 Radiator Engine Water Cooling Line A4475013182

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. A1725012082

Mercedes SLK R172 Petrol OM271 Coolant Radiator Hose Line Right O/S A1725012082

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2642002301

Mercedes C205 C250D Water Cooling Cooler Feed Line A2642002301

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2055010891

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055010891

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 06N121085D

Audi A4 B9 A5 F5 A6 A7 C8 Radiator Water Coolant Hose Pipe Line Left 06N121085D

£56.95

Free delivery: Oct 23

If paid before 14:00

Part no. 06A121065DP

Audi A3 8P 1.6 MPI Water Pipe Coolant Supply Metal Hose 06A121065DP

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2053400400

Mercedes W205 Water Hose Cooling Coolant Pipe A2053400400

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 9171372

BMW X5 F15 X6 F16 E71 Water Coolant Pipe Hose Line N20 N54 N55 Engine 9171372

£56.95

Free delivery: Oct 23

If paid before 14:00

Part no. 06L121081AF

Audi A4 B9 A5 F5 A6 A7 C8 A8 D5 Q5 F8 Engine Coolant Hose Pipe Line 06L121081AF

£32.95

Free delivery: Oct 23

If paid before 14:00

Part no. RHD-4G2819350AE

Audi A6 S6 C7 A7 4G Engine Coolant Cooling Hose Water Pipe Line 4G2819350AD

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7646896

Coolant Hose Mini Cooper S F56 B48 Expansion Tank To Cylinder Head 7646896

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. A1718322094

Mercedes R171 Water Coolant Cooling Pipe Hose Line A1718322094

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 99610641502

Porsche Boxster 986 Water Coolant Pipe Support Holder Bracket Clip 99610641502

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8K0121081P

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

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2702030682

Water Hose Mercedes W176 W246 M270 Coolant Cooling Pipe Line A2702030682

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8W0121501AL

Audi S4 B9 3.0 Petrol Water Hose Cooling Coolant Pipe Line 8W0121501AL

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8677245-1

Radiator Coolant Hose BMW F20 LCI F30 F32 Petrol B48 Water Pipe Part 8677245

£47.95

Free delivery: Oct 23

If paid before 14:00

Part no. 059121064D

Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line 059121070E

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. 4G0121485BS

Audi A6 C7 A7 4G8 Water Radiator Coolant Pipe Hose Tube Line Petrol 4G0121485BS

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8K0819342L

Audi S5 8T 3.0 TFSI Coolant Water Hose Line Cooling Tube Pipe 8K0819342L

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8W0122448AA

Water Coolant Hose Audi A4 B9 A5 F5 2.0 Petrol Line Pipe Tube 8W0122448AA

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2475010658

Mercedes W177 Radiator Coolant Line Pipe Hose A2475010658

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. A1715010482

Mercedes SLK R171 Water Pipe Cooling Coolant Hose Line M113 Petrol A1715010482

£37.95

Free delivery: Oct 23

If paid before 14:00

Part no. GK2Q-8K556-AA

Ford Tourneo Custom Water Hose Engine Cooling Pipe 2.0 EcoBlue GK2Q-8K556-AA

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. RHD-8K2819350AD-1

Audi A4 B8 A5 8T Heater Coolant Hose Pipe Water Line 2.0 TDI 8K2819350AD

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 079121065BN-1

AUDI S5 8T 4.2 Petrol CAUA Coolant Pipe Left N/S Cooler Water Hose 079121065BN

£23.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2055061235

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055061235

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8477901

BMW i4 G26 Water Hose Radiator Coolant Cooling Tube Pipe Line 8477901

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 420121439

Audi R8 42 Gen 1 4.2 FSI Engine Water Coolant Hoses 420121439

£28.95

Free delivery: Oct 23

If paid before 14:00

Part no. 04L121131A

Audi A4 B8 A5 8T Water Coolant Flange Pipe Hose Line 2.0 TDI 04L121131A

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. JHB501670

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

£32.95

Free delivery: Oct 23

If paid before 14:00

Part no. AB39-8B274-BC

Ford Ranger Mk3 Water Cooling Engine Coolant Hose Pipe Tube Line AB398B274BC

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 7591092

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

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. A2135015501

Water Hose Mercedes W213 C238 C253 C257 Diesel OM654 Coolant Line A2135015501

£32.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8K0819334AP

Audi S5 8T 3.0 TFSI Coolant Water Hose Line Tube Pipe 8K0819334AP

£18.95

Free delivery: Oct 23

If paid before 14:00

Part no. 03L122157AA

Audi A4 B8 Water Hose Radiator Coolant Pipe Line 2.0 TDI Diesel 03L122157AA

£13.95

Free delivery: Oct 23

If paid before 14:00

Part no. 8E0260707BK

Audi A4 B7 2.0 TDI Air Conditioning A/C Refrigerant Pipe Hose Line 8E0260707BK

£13.95

Free delivery: Oct 23

If paid before 14:00

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