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 Sport L494 Evoque L538 Coolant Hose Line GJ32-8K012-AA LR071986

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121598AB

Audi A8 D4 Engine Water Coolant Pipe Hose Line Feed 3.0 TDI 059121598AB

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W0122291AK

Audi A4 B9 35 TFSI DMSB Petrol Water Coolant Hose Line Tube Pipe 8W0122291AK

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 04L131850A

Volkswagen Passat B8 Water Cooling Coolant Pipe Pipe Hose 2.0 TDI 04L131850A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8J0121124A

Audi RS3 8P Gearbox Oil Cooler Coolant Pipe Hose Line 2.5 TFSI CEPA 8J0121124A

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. KX73-65007-AB

Land Rover Discovery Sport L550 Water Cooler Valve 1.5 PHEV KX73-65007-AB

€61.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2702031582

Coolant Hose Mercedes W177 M260 Engine Coolant Cooling Pipe Line A2702031582

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. PCH001250

Land Rover L322 Radiator Hose Pipe Cooler Line PCH001250

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G0819337

Audi A6 C7 3.0 TFSI Water Coolant Pipe Hose Line 4G0819337

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7540667

Radiator Return Hose BMW E60 E61 E63 N62N Petrol Pipe Cooling Water Pump 7540667

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR071992

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. C2S16877

Jaguar X-Type X400 Water Outlet Water Rail Hose Pipe Tube 2.5 Petrol C2S16877

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2475010258

Water Hose Mercedes C118 W177 W247 Engine Coolant Pipe Line A2475010258

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121507M

Audi A4 S4 8K A5 S5 8T Engine Coolant Pipe Hose Tube Line 059121507M

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0121055L

Audi A4 B8 Water Hose Cooling Coolant Radiator Pipe Line Diesel 8K0121055L

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5A30C20

BMW U06 Active Tourer X1 U11 Coolant Hose Pipe Line 5A30C20

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9398956

BMW G20 G21 Water Coolant Pipe Hose Line B46X B48X Hybrid Engine 9398956

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121465B-1

Audi A4 B8 A5 8T A6 C7 Q7 4L Coolant Pipe Water Hose 3.0 TDI 059121465B

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5N0121447C

VW Volkswagen Tiguan 5N Water Hose Coolant Cooling Tube Pipe Line 5N0121447C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055010891-1

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055010891

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6R0121070N

Audi A1 8X Engine Coolant Water Pipe Hose Line 1.6 TDI CAYC 6R0121070N

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1775010403

Mercedes W177 Coolant Expansion Tank Hose Pipe Line A1775010403

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6W93-6F073-AB

Jaguar XF X250 Intercooler Pipe Hose Line Diesel 6W93-6F073-AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2247638

Ford Fiesta Mk7 1.0 Ecoboost Coolant Pipe Hose Water Line CM5G-8B451-GA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7612445

Cooling Hose BMW E84 N20 Petrol Engine Radiator Water Coolant Pipe Line 7612445

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6395017982

Mercedes W639 Water Hose Coolant Expansion Tank Pipe Line A6395017982

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7592650

Water Hose BMW F10 F11 F12 F13 N63 Petrol Cooling Coolant Pipe Line 7592650

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8511761

Coolant Hose BMW F01 LCI F10 X3 F25 Radiator Water Cooling Pipe Diesel 8511761

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7640014

Mini MINI F54 F56 F57 F60 BW F39 F48 Heat Exchanger Coolant Pipe Hose 7640014

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1692736

Ford Fiesta Mk7 Focus ST180 Engine Coolant Hose 1.6 EcoBoost BM5G-8A582-DA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1725011125

Mercedes SLK R172 Breather Hose Expansion Tank Bleed Petrol M271 A1725011125

€23.95

Free delivery: Nov 12 – 13

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

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9355235

BMW X5 F15 Engine Coolant Hose Heat Exchanger Return Pipe 9355235

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9398957

BMW G20 G21 Water Cooling Coolant Hose Pipe Tube Line Hybrid B46X B48X 9398957

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. PCH001220

Land Rover L322 Upper Coolant Hose Pipe Line PCH001220

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9208169

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5QF122157AJ

Audi Q3 F3 Engine Coolant Hose Line Tube 2.0 TDI 5QF122157AJ

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5N0122101AT

Audi Q3 8U 2.0 TDI DFTA Engine Radiator Upper Water Coolant Hose 5N0122101AT

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6461400208

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2602004400

Mercedes W177 Heater Radiator Coolant Pipe Hose A2602004400

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7P5122447F

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

€28.95

Free delivery: Nov 10 – 13

If paid before 14:00

Part no. 7N0819350B

Volkswagen VW Sharan 7N Water Hose Radiator Coolant Pipe Line 2.0 TDI 7N0819350B

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6R0129637E

Audi A1 8X Air Filter Box Pipe Pipe Line Hose 1.6 TDI CAYC 6R0129637E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7LA121086D

Volkswagen Transporter T6 Water Coolant Pipe Hose Line 2.0 TDI 7LA121086D

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR074126

Range Rover Evoque L538 EGR Cooling System Coolant Hose Pipe Line LR074126

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7591089

BMW F01 F02 F03 Rolls-Royce Ghost RR4 N74 V12 Coolant Water Pipe Hose 7591089

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7595611

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

€146.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06Q121085B

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

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06J103221-1

Audi TT 8J 1.8 TFSI Tank Breather Ventilation Pipe Line 06J103221

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L0819857C

Audi Q7 4L Coolant Pipe Hose Line Duct Tube 3.0 TDI 7L0819857C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121399K

Audi SQ5 8R 3.0 TDI Diesel Coolant Hose Line Tube Pipe 059121399K

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1725012382

Mercedes SLK R172 M271 M276 Coolant Hose Cooler Water Line A1725012382

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9299629

BMW G30 G11 G12 Coolant Hose Radiator Pipe Line Feed 2.0 Hybrid 9299629

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7952798

Coolant Pipe BMW G30 530e LCI B48X Cooling Water Hose Line 7952798

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR087237-1

Range Rover Evoque L538 EGR Coolant Pipe Outlet Hose Line LR087237

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03L121157AD

Audi A4 B8 A5 8T Coolant Pipe Hose 2.0 TDi Diesel EGR 03L121157AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A4475014500

Mercedes W447 Radiator Coolant Hose Cooling Pipe Bleed Line A4475014500

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7LA121096S

VW Volkswagen Transporter T6 Water Coolant Hose Pipe Line 2.0 TDI 7LA121096S

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G0122293CA

Audi A4 B8 A6 C7 2.0 TDI Water Coolant Pipe Hose Line Tube 4G0122293CA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 04L122157BA

Audi A5 8T Heater Water Cooling Coolant Pipe Hose Line 04L122157BA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0121447S

Volkswagen VW Passat B6 Water Hose Radiator Coolant Pipe Line 1K0121447S

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06J121075B

Audi A3 8P VW Scirocco Mk3 Coolant Hose Water Pipe Line Tube Petrol 06J121075B

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4R83-8C012-A

Jaguar Xf X250 Coolant Hose Return Pipe Line 4R83-8C012-A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR071993

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7603511

Water Hose BMW F20 F30 F31 F32 N20 Engine Coolant Radiator Pipe Line 7603511

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W0819337

Audi A4 A5 S5 F5 Engine Coolant Hose Pipe Line Tube 8W0819337

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2754247-1

Mini Cooper One R55 R56 R57 R58 Engine Water Coolant Hose Pipe 2754247

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9169918

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1725012082

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

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7E0122051E-2

VW Volkswagen Transporter T5 Radiator Coolant Hose Water Pipe Line 7E0122051E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7591095

BMW F01 F02 F03 Water Coolant Cooling Pipe Hose Line N74 Petrol Engine 7591095

€56.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7591094

BMW F01 F01 LCI F02 F02 LCI F03 F03 LCI Coolant Hose Tube Pipe Line 17127591094

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0145923F

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2602000400

Mercedes W177 A35 AMG M260 Coolant Hose Water Pump Pipe Line A2602000400

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7803608

BMW 1 X1 Series E81 E84 E87 LCI N47S Engine Exhaust Manifold Return Pipe

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2501590

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

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2742032302

Mercedes W212 Petrol OM274 Coolant Pipe EGR Cooler Line A2742032302

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0121051T

Volkswagen Eos Audi A3 8P Coolant Water Pipe Hose Line Tube 1K0122051AP

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9299627

BMW G11 G12 G30 G31 Engine Coolant Water Hose Pipe Line 2.0 9299627

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1728301396

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8654845

BMW G20 G21 Coolant Water Hose Pipe Cooling Line 2.0 PHEV Hybrid 8654845

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8654846

BMW G20 G21 Water Coolant Pipe Hose Line B46X B48X 8654846

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. YC1Q8N039AB

Ford Transit MK6 2.4 Diesel Water Hose Coolant Cooling Pipe Line YC1Q8N039AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06F145317E

Skoda Octavia RS 1Z Audi TT 8N BWA Petrol Engine Water Coolant Line 06F145317E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L5122073A

Porsche Cayenne 9PA Engine Coolant Hose Water Pipe Line 4.5 V8 7L5122073A

€28.95

Free delivery: Nov 10 – 13

If paid before 14:00

Part no. 1870817-1

Ford Fiesta 1.25 Engine Water Cooling Coolant Hose Pipe 1.25 SNJA 8V21-8C351-DB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR021657

Land Rover Discovery 4 L319 Coolant Hose Line Pipe Set AH22-18B402-AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3R0121071B

Seat Exeo 3R Water Hose Radiator Coolant Pipe Line 2.0 TDI 3R0121071B

€51.95

Free delivery: Nov 10 – 13

If paid before 14:00

Part no. 72344265

BMW F30 Coolant Hose Radiator Cooling Water Pipe Line 72344265

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G0121081AF

Audi A6 C7 Expansion Bottle Coolant Tank Hose Pipe Tube Line 4G0121081AF

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4K2819377E-2

Audi A6 C8 Engine Cooling Water Pipe Coolant Hose Line Tube 4K2819377E

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7541094

Mini Cooper S R52 R53 Petrol W11 Radiator Coolant Hose Pipe Automatic 7541094

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7500752

BMW X5 Series E53 M62 PETROL Cooling System Water Hose Pipe 7500752

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8645545

Coolant Pipe Mini F54 F56 F60 BMW F45 F46 F48 B38 Cooling Hose Water 8645545

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4378817

Ford Transit Connect Water Coolant Hose Pipe Line 1.8 TDCi 2T14-8B274-BC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7L6122291AC

Porsche Cayenne 92A Coolant Hose Water Pipe Line 7L6122291AC 7P6122051G

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR125617

Range Rover Sport L494 Coolant Hose Pipe Line Connector K6D3-8K588-AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03C121070B

Audi A3 8P Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C121070B

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8571346

BMW X3 F25 X4 F26 Coolant Hose Diesel Radiator Water Pipe Line N57N N57Z 8571346

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

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