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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Audi Q7 4L 3.0 TDI Coolant Hose Radiator Pipe Water Cooling Line 7L8121073J

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7L6122109D

Audi Q7 4L TFSI Water Hose Cooling Coolant Radiator Pipe Line 7L6122109D

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8616548

BMW F20 F21 F30 LCI Hose Engine Feed Radiator Top Pipe 8616548

£66.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7853727

BMW F20 F21 F87 M2 N55 Engine Radiator Return Coolant Hose Pipe Line 7853727

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8W0819334F

Audi A4 B9 35 TFSI Water Hose Cooling Radiator Coolant Pipe Line 8W0819334F

£19.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7805997

BMW Mini Cooper D R55 R56 Cooling System Coolant Radiator Water Hose 7805997

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6796332

BMW 3 Series E90 E91 E92 N47 Power Steering Fluid Reservoir Pipe Line 6796332

£13.95

Free delivery: Sep 08

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: Sep 08

If paid before 14:00

Part no. A2055002600

Mercedes W205 M264 Coolant Pipe Water Pump Radiator Air Pump Line A2055002600

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6765680

BMW E60 E61 525d 530d 535d Radiator Return Line Hose Pipe 6765680

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. BK21-18K580-BC

Ford Transit Mk8 Water Hose Cooling Coolant Pipe Line BK21-18K580-BC

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8676894

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8605434

BMW 1 3 Series F20 F21 F30 F31 LCI Radiator Thermostat Hose 17128605434 8605434

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06K121075Q

Audi S3 8V Water Hose Cooling Coolant Radiator Pipe Line 06K121075Q

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2218324494

Mercedes-Benz S-Class W221 Engine Water Cooling Coolant Hose Pipe A2218324494

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9802099

Coolant Pipe Mini Cooper R60 R61 N18 Water Cooling Hose Line 9802099

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8R0122055

Audi Q5 8R Heater Water Cooling Coolant Pipe Hose Line 8R0122055

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. rhd-A1718301296

Mercedes SLK R171 M271 Water Hose Coolant Cooling Pipe Line A1718301296

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1K0122073R

VW Volkswagen Golf Mk5 V Water Coolant Hose Pipe Line 1K0122073R

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. CPLA-18N252-AC

Range Rover L405 Heater Water Coolant Hose Pipe Line Diesel CPLA-18N252-AC

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1695010182

Mercedes-Benz A B W169 W245 Radiator Water Cooling Pipe Hose Bottom A1695010182

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. AH22-7752-AC

Land Rover Discovery 4 L319 Coolant Water Pipe Hose 3.0 Diesel AH22-7752-AC

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8571619

BMW X3 F25 N47N Radiator Coolant Hose Pipe Line Diesel 8571619

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8644286

BMW 3 F30 LCI B48X Coolant Hose Pipe Electric Pump Coolant Feed Line 8644286

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6785424

BMW X5 X6 Series E70 E71 Radiator Return Hose Line Pipe 6785424

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1715010225

Vent Pipe Mercedes SLK R171 Cooling Line Expansion Tank Hose A1715010225

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 059121065EA

Audi A4 B9 A5 F5 Water Hose Cooling Coolant Radiator Pipe 3.0 TDI 059121065EA

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2218324394

Mercedes-Benz S-Class W221 Engine Water Cooling Coolant Hose Pipe A2218324394

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2465010458

Mercedes X156 Oil Coolant Hose Pipe Line Tube A2465010458

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6400101382

Mercedes-Benz W169 W245 180CDI 200CDI Water Coolant Pipe Hose A6400101382

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6110700033

Mercedes-Benz M-Class ML W163 Injection System Pressure Line Diesel A6110700033

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8R0121081AQ

Audi Q5 8R Expansion Coolant Radiator Hose Pipe Tube Line Cooling 8R0121081AQ

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1K0122073GE

Audi A3 8P VW Golf Mk6 Water Hose Cooling Coolant Radiator Pipe Line 1K0122073GE

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2535019482

Coolant Hose Mercedes X253 GLC220D Right Cooler Hose Line To Engine A2535019482

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2475062800-1

Mercedes W177 W247 Water Hose Coolant Cooling Pipe Line A2475062800

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2702031582

Coolant Hose Mercedes W177 M260 Engine Coolant Cooling Pipe Line A2702031582

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7535591

BMW Z4 Series E85 Hose Additional Water Pump Water Valve Pipe

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9398952

BMW G20 G21 Water Hose Radiator Coolant Cooling Feed Pipe Line Petrol 9398952

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0121058AE

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7808571

BMW E90 E91 E92 LCI F10 F11 Connector Flange Pipe 7808571

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2478306000

Mercedes W177 AMG Water Pipe Heater Cooling Coolant Hose Line A2478306000

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6398322393

Heat Exchanger Hose Mercedes Vito W639 OM646 Water Coolant Pipe A6398322393

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0121447G

Audi A3 8V VW Golf Mk7 Engine Coolant Pipe Water Hose Line 5Q012144

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7649300

Coolant Radiator Line BMW F20 F21 F22 F23 F30 F32 F33 F36 Pipe Hose Tube 7649300

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7C0121061B-1

Volkswagen Crafter SY Water Coolant Hose Pipe Line 2.0 TDI 7C0121061B

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1725014482

Mercedes SLK R172 OM651 Engine Coolant Water Pipe Hose A1725014482

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K0819332M

Audi A4 B8 Water Coolant Pipe Hose Line Tube 2.0 TDI CNHC 8K0819332M

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1332000052

Mercedes W176 Coolant Metal Pipe Radiator Hose A1332000052

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1725010182

Coolant Hose Mercedes SLK R172 Petrol M271 Radiator Line Left N/S A1725010182

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-A2058302902

Water Hose Mercedes W205 X253 Radiator Coolant Pipe Water Line A2058302902

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1765012082-1

Water Hose Mercedes C117 W176 AMG Pipe Engine Cooling Coolant Line A1765012082

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1K0121101CP-1

Volkswagen Golf Mk6 1.6 TDI Water Hose Cooling Coolant Pipe Line 1K0121101CP

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8W0122101AL

Audi A5 8T Coolant Water Hose Line Tube Pipe 2.0 TDI Diesel 8W0122101AL

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K0145919C

Audi A4 B8 2.0 TDI CNHC Engine Water Coolant Hose Pipe Line 8K0145919C

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 04E121070AC

Audi A1 8X 1.4 TFSI CZCA Radiator Coolant Hose Line Tube Pipe 04E121070AC

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A9075010600

Mercedes W907 Water Hose Engine Cooling Coolant Pipe A9075010600

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8580480

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

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03E121065A

VW Volkswagen Polo 6R Solid Water Coolant Pipe Hose Line Tube 03E121065A

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 2754221-2

BMW MINI Cooper One R55 R56 R57 2 Upper Radiator Coolant Pipe Hose 2754221

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7591692

BMW F10 F11 F12 F13 Filler Neck Expansion Tank Coolant Hose Petrol 7591692

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6C1118K582DB

Ford Transit Mk7 Water Hose Coolant Line 2.2 TDCi 6C1118K582DB

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8602578

BMW F21 F22 F23 F30 F31 F32 Coolant Feed Pipe Hose Line N55 Petrol 8602578

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 3424499

BMW X3 Series E83N LCI Radiator Bottom Coolant Water Hose 3424499

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4G0122449D

Audi A7 4G Engine Water Coolant Cooling Hose Pipe Line 3.0 TDI 4G0122449D

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7800408

BMW 3 5 Series E90 E91 LCI E60 Oil Filter Cooler Connection 7800408

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0121049CL

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

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2465010358

Mercedes W176 W246 Coolant Hose Water Pump To Oil Cooler A2465010358

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7581942

Coolant Hose BMW F10 F11 N52N N53 Cylinder Head Thermostat Water Line 7581942

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2762000452

Water Hose Mercedes W204 W212 Radiator Coolant Feed Tube Pipe Line A2762000452

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8514234

Coolant Hose BMW F10 F11 N47N Radiator Water Cooling Pipe Diesel 8514234

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8634285

BMW F20 F21 F30 LCI B48 Hose Coolant Pump Charge Air Cooler 8634285

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8W0122055AM

Audi S4 B9 Turbo Coolant Hose Line Tube Pressure Pipe 3.0 Petrol 8W0122055AM

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1728301396

Mercedes SLK R172 OM651 Engine Water Coolant Pipe Cooling Hose Line A1728301396

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. LR000272

Range Rover Sport L320 Engine Breather Pipe Hose Tube 2.7 V6 LION 4R8Q-6C717-AC

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8510307

BMW F20 F21 F31 N47S1 Radiator Coolant Hose Pipe Line 8510307

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8W0122101B-1

Audi A4 B9 A5 F5 Water Hose Cooling Coolant Radiator Pipe Line 8W0122101B

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1332000551

Mercedes W176 M133 45 AMG Coolant Pipe Hose Line Tube A1332000551

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8580477

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

£42.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1765011382

Water Hose Mercedes C117 W176 AMG Cooling Coolant Pipe Line A1765011382

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2702031782

Water Pipe Mercedes C117 W176 W246 M270 Coolant Hose Line A2702031782

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2075010982

Water Hose Mercedes W207 C207 Radiator Cooling Coolant Pipe A2075010982

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055013882

Mercedes S205 W205 Engine Water Coolant Pipe Cooling Hose Line A2055013882

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055010202

Mercedes W205 Engine Water Coolant Pipe Hose Line A2055010202

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6398320393

Mercedes Vito Viano W639 Water Hose Cooling Coolant Radiator Pipe A6398320393

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9169918

BMW F01 F10 F11 F13 Return Hose Coolant Cooling Pipe Auxiliary Heater 9169918

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. GK21-8C351-BC

Ford Transit Custom Mk1 Water Coolant Cooling Pipe Hose Line GK21-8C351-BC

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9208169

BMW F20 F21 F30 F31 F32 Petrol N20 Heater Radiator Coolant Pipe Hose 9208169

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6461400208

Mercedes-Benz Vito Viano W639 OM646 EGR Exhaust Gas Cooling Pipe A6461400208

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055011301

Mercedes W205 Coolant Water Pipe Tank Line Hose A2055011301

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8632767

Mini F55 F56 Petrol Thermostat Heat Management Module Coolant Pipe Hose 8632767

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7808078

Coolant Hose BMW E70 LCI E71 N57 Water Cooling Pipe Radiator 7808078

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2475010258

Water Hose Mercedes C118 W177 W247 Engine Coolant Pipe Line A2475010258

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055011201

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055011201

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. AH22-9F287-AC

Land Rover Discovery 4 L319 Coolant Hose Pipe Line Tube 3.0 Diesel AH22-9F287-AC

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8377701

BMW 7 Series E65 E66 E67 Hose Radiator And Engine Return PETROL

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1775014700

Heater Pipe Mercedes W177 W247 Water Hose Coolant Pipe Line A1775014700

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. rhd-A1718300224

Mercedes SLK R171 Petrol Heater Water Hose Coolant Pipe Line A1718300224

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7843264

Coolant Hose BMW F10 M5 F12 F13 M6 Water Cooling Pipe Radiator 7843264

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8580491

Hose Pipe BMW F40 B47B Mini F56 B47D Line Connection Radiator Coolant 8580491

£23.95

Free delivery: Sep 08

If paid before 14:00

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