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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Volkswagen Golf Mk6 Scirocco Mk3 Audi A3 8P Water Coolant Pipe 1K0121070CM

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055010800

Mercedes W205 Intercooler Water Pipe Radiator Cooling Coolant Hose A2055010800

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8675285

BMW F21 LCI F22 LCI F31 LCI Engine Radiator Water Hose Tube Line Pipe 8675285

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6542032901

Mercedes C118 Water Coolant Pipe Hose Line A6542032901

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055010182

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line Left N/S A2055010182

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6Q0122101AP-1

Skoda Fabia Mk1 6Y Water Hose Cooling Coolant Pipe Line 1.9 Diesel 6Q0122101AP

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GK21-8286-BD

Ford Tourneo Custom Radiator Coolant Hose Tube Line Pipe GK21-8286-BD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G0122445L

Audi A6 C7 A7 4G Coolant Cooling Pipe Hose Line Petrol Engine 4G0122445L

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0122101CM-1

Audi A3 8V 35 TDI DFGA Water Coolant Hose Line Pipe Tube 5Q0122101CM

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 52163448

Fiat Ducato Radiator Coolant Hose Tube Line Pipe Sleeve 52163448

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1884880

Ford Kuga Mk1 Water Coolant Expansion Pipe Hose Line 2.0 Diesel AV61-8274-AM

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059131425A

Audi Q5 8R Water Cooling Coolant Pipe Line Connector Bracket 059131425A

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8W0819332E

Audi A4 S4 B9 3.0 TFSI Water Hose Cooling Engine Coolant Pipe Line 8W0819332E

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2742000115

Coolant Hose Mercedes W204 C207 W212 M274 Thermostat Line Pipe A2742000115

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8853292

BMW F20 F21 F22 F32 Turbo Coolant Feed Line Pipe Hose Tube 8853292

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GK2Q-8N039-AB

Ford Transit Custom Water Coolant Pipe 2.0 TDCi Diesel GK2Q-8N039-AB

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 46806287

Fiat Panda Mk2 Engine Radiator Coolant Hose Tube Pipe Line 1.1 Petrol 46806287

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03L121131K

VW Transporter T5 2.0 TDI CAAA Sealing Flange Temperature Sender 03L121131K

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0121049K

Audi A3 8V Radiator Coolant Hose Pipe Tube Line 1.4 TFSI 5Q0121049K

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 03H121131A

VW Passat CC Water Coolant Pipe Hose Cooling Line Connection Flange 03H121131A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. PCH503260

Range Rover Sport L320 Radiator Coolant Hose Pipe Line PCH503260

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 420121082B

Audi R8 42 Engine Coolant Pipe Water Hose Cooling Line Tube 420121082B

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1715010082

Mercedes R171 M272 Petrol Engine Radiator Hose Expansion Tank Line A1715010082

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5N0122101Q

Audi Q3 8U Engine Coolant Hose Tube Line Pipe 2.0 TFSI CZCZ Petrol 5N0122101Q

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0122109CM

Volkswagen Golf Mk6 Scirocco Mk3 Water Coolant Pipe Hose 1.6 TDI 1K0122109CM

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7P0121065AC-1

Volkswagen Touareg 7P Preheater Pipe Hose Line 3.0 TDI 7P0121065AC

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8853293

BMW F20 F21 F32 N20 Turbo Charger Coolant Return Line Pipe Hose Tube 8853293

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6542031802

Mercedes W177 Engine Coolant Hose Pipe Tube Line 2.0 Diesel 654920 A6542031802

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. L8D2-7H256-AC

Land Rover Discovery Sport L550 Water Coolant Pipe Hose 1.5 PHEV L8D2-7H256-AC

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0122101CC-1

Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line Tube 1K0122101CC

€23.95

Free delivery: Nov 12 – 13

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

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7P0819278B

VW Volkswagen Touareg 7P Coolant Pipe Hose Line 3.0 TDI Diesel Engine 7P0819278B

€70.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6902683

BMW 3 Series E46 Hose Engine Inlet Diesel Water Pump 6902683

€25.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9208183

BMW F30 F32 LCI 330d 335dX 430d 435dX Engine Radiator Return Coolant Hose Pipe

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6C11-8W005-AL

Ford Transit Mk7 Water Coolant Hose Expansion Tank Radiator Pipe 6C11-8W005-AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. YC1Q-8A544-AC

Ford Transit MK7 TDCI Water Pump Pipe Engine Coolant Flange YC1Q-8A544-AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GJ32-8C480-AB

Land Rover Discovery Sport L550 Engine Water Coolant Pipe Hose GJ32-8C480-AB

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2468302796

Mercedes W176 W246 OM651 Radiator Water Coolant Hose Engine Cooling A2468302796

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6542033502

Mercedes W213 C238 X253 OM654 Water Coolant Pipe Hose Line A6542033502

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0121055N

Audi A4 B8 A5 8T 1.8 2.0 TFSI Petrol Engine Water Coolant Pipe Hose 8K0121055N

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055062560

Mercedes W205 Heating Water Line Coolant Pipe Hose A2055062560

€37.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8K0819334BC

Audi A4 B8 A5 8T Water Coolant Hose Line Pipe 3.0 TFSI Petrol 8K0819334BC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3401564

BMW X3 Series E83 2.0d Cooling Radiator Expansion Tank Coolant Hose Pipe 3401564

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0121058R

Audi VW Seat Skoda Water Hose Cooling Radiator Coolant Pipe Line 5Q0121058R

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6542034000

Coolant Pipe Mercedes W213 Diesel OM654 Oil Cooler Feed Coolant Hose 6542034000

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2742002551

Mercedes W213 Water Hose Cooling Coolant Pipe Line A2742002551

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121075ES

Audi A6 C7 A7 4G Q7 4M Engine Coolant Water Pipe 3.0 TDI 059121075ES

€99.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2055011700

Mercedes W205 Water Hose Engine Coolant Cooling Pipe Line A2055011700

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8650981

BMW G20 Water Hose Radiator Coolant Cooling Tube Pipe Line 8650981

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5QF122051BB

Volkswagen Tiguan AX1 1.5 Petrol Engine Coolant Hose Line Tube Pipe 5QF122051BB

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. XS7H-18495-FA

Ford Transit Mk7 Heater Water Hose Pipe Line 2C11-8A589-AC

€113.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8J0121109A

Audi TT 8J 2.0 TFSI Water Hose Cooling Coolant Radiator Pipe Line 8J0121109A

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 5Q0121070AG

VW Scirocco Mk3 Golf 5g Jetta A6 Water Coolant Pipe Hose Line Tube 5Q0121070AG

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3Q0122058G

Skoda Karoq VW Golf Mk8 Coolant Hose Quick Release Coupling 2.0 TDI 3Q0122058G

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6921428

BMW 5 6 Series E60 E63 E64 LCI Engine Cooling Radiator Water Hose Pipe 6921428

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. GK2Q-8N039-AC

Ford Transit Mk8 Engine Coolant Hose Pipe Line 2.0 Diesel GK2Q-8N039-AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7T16-8K012-AA

Ford Transit Connect Water Coolant Pipe Hose Line 1.8 TDCI 7T16-8K012-AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4010098

Mercedes CL203 Metzger Water Pump Thermostat Coolant Outlet Pipe Hose 4010098

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1343LP

Citroën C4 Grand Picasso Radiator Water Hose Tube Line Pipe 1.6 Diesel 1343LP

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4447828

Ford Transit Mk7 Lower Radiator Hose Pipe Line 2.0 DI Diesel 1C15-8B274-EE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2078986

Ford Fiesta Mk7 Focus Mk3 Thermostat Housing Pipe Hose TDCi Diesel 9M5Q-8A586-DA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121071CK

Audi Q7 4L 3.0 TDI Diesel Coolant Water Pipe Hose Line 059121071CK

€42.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2185012882

Water Hose Mercedes C207 W212 W218 Engine Cooling Coolant Pipe A2185012882

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 3C0121447L

Audi A3 8P VW Passat 3C Touran 1T Coolant Hose Pipe Line Tube 3C0121447L

€51.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06K121075BF

Engine Coolant Pipe Audi A3 S3 8V 2.0 TFSI Water Cooling Hose Line 06K121075BF

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LR081668

Land Range Rover Sport L494 Water Heater Hose Tuber Pipe Line HPLA-8A589-CA

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121054C

Audi A8 D4 3.0 TDI Diesel Coolant Water Hose Line Tube Pipe Engine 059121054C

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8053463

BMW X3 F97 X4 F98 Coolant Hose Cooling Pipe Water Radiator Line 8053463

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121511CT

Audi Q7 4M Q8 Mk2 Water Coolant Hose Line Tube Pipe 3.0 Diesel 059121511CT

€80.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2208321794

Mercedes W220 Heating Water Line Hose M113 Engine A2208321794

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0121109AK

Audi A3 8P Water Cooling Coolant Pipe Hose Line Petrol Engine 1K0121109AK

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6C0121070G

Audi A1 8X Engine Coolant Water Pipe Hose Tube Line 1.6 TDI Diesel 6C0121070G

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. L8D2-8A589-AB

Land Rover Discovery Sport L550 Coolant Water Hose Pipe 1.5 PHEV L8D2-8A589-AB

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2501983

Ford Kuga Mk3 A/C Air Con Coolant Hose Pipe 2.5 Hybrid LX6H-19N602-VA

€75.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 8674926

BMW G01 G02 G05 G07 G20 Engine Coolant Hose Pipe 3.0 Petrol M40i B58D 8674926

€32.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1C15-8C351-AD

Ford Transit Mk7 Radiator Water Hose Line Pipe 1C15-8C351-AD

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 1K0122051GL

Audi S3 8P VW Golf VI Water Coolant Hose Radiator Pipe Line 2.0 TFSI 1K0122051GL

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. JB3G-8B550-AC

Ford Ranger Wildtrak Mk6 Coolant Hose Tube Line Pipe 2.0 Diesel JB3G-8B550-AC

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 94810604907

Porsche Cayenne Turbo 9PA Engine Water Coolant Pipe Tube Line Hose 94810604907

€66.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4G0819350S

Audi A6 C7 Engine Water Coolant Pipe Hose Tube Line 2.0 TDI Diesel 4G0819350S

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A2538308801

Heater Coolant Hose Mercedes C253 W213 Water Pump Heater Line A2538308801

€28.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06K121085M

Audi VW Seat 2.0 TFSI Petrol Water Pipe Engine Coolant Hose Line 06K121085M

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 06E121045AA

Audi A4 S4 B8 S5 8T A6 C7 Engine Coolant Hose Tube Line Pipe 06E121045AA

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 4H0819334L

Audi A8 D4 3.0 TDI Heater Hose Cooling Coolant Radiator Pipe Line 4H0819334L

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6796332-1

BMW E90 E91 E92 N47 Power Steering Fluid Reservoir Pipe 6796332

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 059121512AE

Audi A6 C7 A7 4G Engine Coolant Water Pipe Line 3.0 TDI Diesel 059121512AE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1725014482

Mercedes SLK R172 OM651 Engine Coolant Water Pipe Hose A1725014482

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 6R0121447AN

Seat Ibiza 6J VW Polo 6R Coolant Water Hose Pipe 1.2 TDI 6R0121447AN

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A6542033401

Mercedes W177 Water Coolant Cooling Pipe Line Hose A200d Diesel A6542033401

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7648352

Mini F54 F55 F56 F60 B36 B38 Engine Turbocharger Coolant Feed Line Pipe 7648352

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 135223

Citroën C4 Grand Picasso Radiator Hose Tube Line Pipe 1.6 Diesel 135223

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. L8D2-18K596-AC

Land Rover Discovery Sport L550 Coolant Water Hose Pipe 1.5 PHEV L8D2-18K596-AC

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. LX61-8D059-HCE

Ford Kuga Mk3 Coolant Hose Pipe Line 2.5 Hybrid LX61-8D059-HCE

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9166925

BMW X3 F25 N47N Diesel Engine Water Hose Coolant Cooling Pipe Line 9166925

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7592646

Hose BMW F13 Coupe N63 Heat Exchanger Coolant Cooling Pipe Line 7592646

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. A1765011582

Mercedes W176 C117 X156 M133 Petrol Engine Water Coolant Hose Pipe A1765011582

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 2754222-2

Coolant Hose Mini Cooper R55 R56 R57 Cooling System Radiator Water Pipe 2754222

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 7565781

BMW 5 6 E60 E61 E63 LCI N52N N53 Radiator Coolant Return Hose Line Pipe 7565781

€47.95

Free delivery: Nov 12 – 13

If paid before 14:00

Part no. 9292728

BMW i3 I01 Water Coolant Cooling Hose Supply Pipe Line 9292728

€23.95

Free delivery: Nov 12 – 13

If paid before 14:00

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