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.

More information

Find it faster

Match to your vehicle

Make

Mercedes W176 Coolant Pipe Engine Block Water Line Diesel OM651 A6512030602

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6985116

BMW X5 E70 X6 E71 M57N2 Coolant Hose Pipe Auxiliary Water Pump Adapter 6985116

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2143316

Ford Transit Connect Mk2 Water Coolant Pipe Hose Line 1.5 TDCI F1F1-8260-HE

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LR048082

Land Rover Range Rover L405 Anti Roll Bar Pump Hose Tube Pipe Line CPLA-32688-BD

€85.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7600554

BMW F20 F21 F30 F31 N13 N20 Radiator Coolant Hose Pipe Tube 7600554

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5QF122101E

VW Volkswagen Tiguan 5N Coolant Hose Feed Pipe Quick Release Coupling 5QF122101E

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. DG93-8W005-AB

Ford Mondeo Mk5 S-Max Mk2 Coolant Overflow Pipe 2.0 TDCi DG93-8W005-AB

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7644099

BMW X5 F15 40eX N20 High Voltage Water Cooling Tube Pipe Line Hose 7644099

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03G121065AA

VW Volkswagen Caddy 2k Coolant Pipe Hose Tube Engine Cooling System 03G121065AA

Product currently unavailable

Part no. 8629959

Mini F55 F56 F57 F60 Petrol Turbo Charger Coolant Hose Oil Pipe Line 8629959

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 2751612

Mini Cooper R55 R56 R57 R58 Engine Inlet Heater Radiator Hose 2751612

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A6512300956

Vacuum Pipe Mercedes W906 W639 Diesel OM651 Water Pump Line A6512300956

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 94810642110

Porsche Cayenne Turbo 92A Coolant Water Return Pipe Hose Tube 94810642110

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7P5122109B

Porsche Cayenne S 92A Water Coolant Pipe Hose Line 3.0 TFSI 7P5122109B

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. M8A2-8C502-BB

Range Rover Velar L560 Exhaust Fluid Pipe Hose Line 2.0 Diesel M8A2-8C502-BB

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2045012682

Water Hose Mercedes W204 C207 W212 Coolant Radiator Pipe Line A2045012682

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03L121101

Audi A4 B8 A5 8T A6 C7 Water Coolant Pipe Hose Line 2.0 TDI 03L121101

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2712002352

Mercedes W204 Water Hose Radiator Coolant Cooling Pipe Line A2712002352

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7535591

BMW Z4 Series E85 Hose Additional Water Pump Water Valve Pipe

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7617363-1

Water Hose BMW F45 X1 F48 Mini F55 F56 F60 Radiator Engine Coolant Pipe 7617363

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 6R0121063A

VW Volkswagen Polo 6R 5 Water Hose Radiator Coolant Cooling Pipe Line 6R0121063A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. XS4Q-9N271-CC

Ford Mondeo Mk4 Water Hose Cooling Coolant Pipe Hose Line XS4Q-9N271-CC

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8W0121448H

Audi A5 F5 2.0 TDI DEZE Water Coolant Hose Line Pipe Tube 8W0121448H

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2478306800

Water Hose Mercedes W177 W247 Heat Exchanger Coolant Return Pipe A2478306800

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LPLA-5E497-BB

Range Rover Sport L494 Cooler To Reservoir Coolant Hose Line LPLA-5E497-BB

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2742000615-2

Thermostat Pipe Mercedes W205 X253 W212 Petrol M274 Coolant Hose A2742000615

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LR043719

Range Rover L405 Water Coolant Pipe Hose Line 4.4 V8 Diesel Engine AL3Q-6C661-DC

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06M145963D

Audi A5 S5 F5 Engine Coolant Return Hose Cooling Pipe 3.0 TFSI 06M145963D

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8600424

BMW X5 F15 40Ex Coolant Pipes Gearbox Cooling Heat Exchanger Hoses 8600424

€61.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4G0121448AK

Audi A6 C7 A7 4G Water Coolant Hose Pipe Line 3.0 TDI 4G0121448AK

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0122063K

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8K0121101M

Water Pipe Audi A4 B8 A5 8T Q5 8R 2.0 TFSI Coolant Hose Line 8K0121101M

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0122073B

Audi Seat Skoda Volkswagen Water Return Coolant Pipe Hose Line 1K0122073B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A6511421780

Coolant Pipe Mercedes W242 Diesel OM651 Water Line To Crankcase A6511421780

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1890813

Ford Transit Connect Mk2 Coolant Heater Water Outlet Hose Pipe 1890813

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2045013982

Coolang Hose Mercedes C204 W207 W212 W218 Pipe Radiator Left N/S A2045013982

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L121058H

Audi TT FV Q3 8U Water Hose Cooling Coolant Pipe Line 2.0 TDI Diesel 04L121058H

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7595415

Mini Cooper R55 R56 R57 Hose For Engine Inlet And Heater Radiator

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A2048306296

Mercedes W204 C207 W212 C218 Water Coolant Return Pipe Hose OM642 A2048306296

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0121157BP

VW Volkswagen Eos 1f Golf 1K Jetta 1K Coolant Hose Pipe Tube Line 1K0121157BP

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1779330

Ford Focus Mk3 Water Coolant Pipe Hose Line 1.6 TDCI CV61-8A515-BC

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7806706

BMW E60 E61 E65 Diesel M57N2 Radiator Coolant Return Pipe Water Hose 7806706

Product currently unavailable

Part no. 7787456

BMW E60 E61 E63 E64 LCI Engine Coolant Hose Water Pipe 7787456

Product currently unavailable

Part no. 9127402

BMW E81 E82 E87 LCI Engine Water Coolant Hose Pipe Diesel N47 9127402

Product currently unavailable

Part no. 7800098

BMW E90 E91 LCI E92 N57 Hose Engine Feed Radiator Top Pipe 7800098

Product currently unavailable

Part no. 7811133

BMW 1 3 Series F20 F21 F30 F31 N47N Engine Water Coolant Pipe Hose 7811133

Product currently unavailable

Part no. 1491743

Mini R52 R53 Intake Boot Air Pipe Filter Housing Throttle Housing 1491743

Product currently unavailable

Part no. 7577964

Water Hose BMW E81 E87N 116i N43 Cooling Radiator Pipe Petrol 7577964

Product currently unavailable

Part no. 7796869

Radiator Upper Cooling Pipe BMW E87 LCI E81 E82 N47 Cylinder Head Line 7796869

Product currently unavailable

Part no. A6461420079

Mercedes W639 OM646 EGR Exhaust Cooler Heat Exchanger A6461420079

Product currently unavailable

Part no. A2045011025

Mercedes W204 Vent Pipe Diesel Cooling Line Expansion Tank Hose A2045011025

Product currently unavailable

Part no. A6110700033

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

Product currently unavailable

Part no. 7548239

BMW E81 E82 E87 Heater Water Cooling Coolant Pipe Hose Line 7548239

Product currently unavailable

Part no. 7548221

BMW E88 E90 E91 E93 Hose Line Heater Return Thermostat Engine Cooling 7548221

Product currently unavailable

Part no. 7552408

BMW E88 E90 E90 E91 LCI N43 Thermostat Heater Return Hose For Radiator 7552408

Product currently unavailable

Part no. 7800099

Coolant Hose BMW F01 F02 F10 F11 Radiator Water Cooling Pipe Diesel 7800099

Product currently unavailable

Part no. 7797260

BMW 1 3 Series E82 E90 E91 Expansion Tank Oil Cooler Coolant Pump Hose 7797260

Product currently unavailable

Part no. A6398300516

Mercedes Vito Viano W639 Water Hose Cooling Coolant Radiator Pipe A6398300516

Product currently unavailable

Part no. 7848507

Coolant Hose BMW F80 M3 F82 M4 S55 Petrol Turbo Cooling Pipe Line 7848507

Product currently unavailable

Part no. 7561695

Intake Turbo Silencer Mini Cooper R55 R56 R57 Rubber Boot Hose Line 7561695

Product currently unavailable

Part no. 1K0121070BJ

Volkswagen Golf Mk6 Water Coolant Pipe Hose Line Tube 1K0121070BJ

Product currently unavailable

Part no. 7521173

BMW E81 E87 E90 316i N43 N45 Petrol Engine Oil Pump Suction Pipe 7521173

Product currently unavailable

Part no. A6510101782

Vent Hose Mercedes Vito W447 Diesel OM651 Engine Breather Line A6510101782

Product currently unavailable

Part no. 6785424

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

Product currently unavailable

Part no. A2115011225

Mercedes W211 OM642 Coolant Hose Water Pipe Radiator Expansion Tank A2115011225

Product currently unavailable

Part no. 03L130321R

Volkswagen Sharan 7N Fuel Injection Line Pressure Pipe Injector Set 03L130321R

Product currently unavailable

Part no. A1695050030

Mercedes W169 Petrol Engine Cooling Radiator Air Duct Baffle A1695050030

Product currently unavailable

Part no. A2711410683

Mercedes-Benz W203 W211 M271 Kompressor EGR Valve Hose Pipe Petrol A2711410683

Product currently unavailable

Part no. A9075010000

Mercedes W907 Coolant Radiator Expansion Tank Bleed Line A9075010000

Product currently unavailable

Part no. 03L122157Q-1

Audi A4 B8 A5 8T Coolant Pipe Water Cooling Line 2.0 TDI 03L122157Q

Product currently unavailable

Part no. 1K0121070AQ

Audi TT 8J 2.0 TFSI Water Hose Coolant Pipe Line 1K0121070AQ

Product currently unavailable

Part no. 8514454

BMW F20 F30 Coolant Hose Expansion Tank Cylinder Head Pipe B47 Diesel 8514454

Product currently unavailable

Part no. 03C121469D

Audi A1 8X Turbo Water Coolant Hose Line Return Tube Pipe 03C121469D

Product currently unavailable

Part no. 03L122157M

Audi A4 B8 2.0 TDI Water Hose Radiator Coolant Pipe Line 03L122157M

Product currently unavailable

Part no. 5Q0121049CL

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

Product currently unavailable

Part no. A2712001452

Coolant Pipe Mercedes R177 Petrol Engine M271 Water Pump Cylinder Head Line

Product currently unavailable

Part no. 059121086AH

AUDI Q7 4L Quattro Diesel CRCA 3.0 TDI Coolant Hose Water Line 059121086AH

Product currently unavailable

Part no. 5Q0122073BK

Audi Q3 8U Water Coolant Hose Tube Line Pipe 2.0 TDI Diesel 5Q0122073BK

Product currently unavailable

Part no. 1K0122101DF

VW Volkswagen Golf MK5 1.9 TDI Water Hose Radiator Coolant Pipe Line 1K0122101DF

Product currently unavailable

Part no. 7548241

BMW 1 Series E87 Petrol N45 N46 Cooling Coolant Thermostat Water Hose Pipe

Product currently unavailable

Part no. A2125010925

Mercedes W212 OM642 Water Hose Cooling Coolant Pipe Line A2125010925

Product currently unavailable

Part no. 1481934

Mercedes Sprinter W906 Diesel OM651 Water Hose Cooling Coolant Pipe 1481934

Product currently unavailable

Part no. 6925234

BMW X5 Series E53 3.0 d Hose From Heated Radiator From Additional Water Pump

Product currently unavailable

Part no. 7548242

BMW 1 Series E87 N45 N46 Line Heater Return Thermostat Engine Cooling 7548242

Product currently unavailable

Part no. 8K0121081F

Audi A5 8T 3.0 TDI CCWA Diesel Coolant Hose Line Pipe Tube 8K0121081F 059121399E

Product currently unavailable

Part no. 8514453

Coolant Pipe BMW F20 LCI B37 Expansion Tank Cylinder Head Cooling Hose 8514453

Product currently unavailable

Part no. A2048300096

Mercedes W204 M271 Water Hose Engine Cooling Coolant Pipe Line A2048300096

Product currently unavailable

Part no. A2034701420-1

Mercedes-Benz C CLK W203 C209 Petrol Fuel Tank Filler Neck Pipe A2034701420

Product currently unavailable

Part no. 7791393

BMW 3 Series E46 M47N Charge Air Line Hose Cooler Intake 7791393

Product currently unavailable

Part no. 1K0122447ED-1

Audi A3 8P 1.9 TDI BLS Diesel Coolant Water Hose Line Tube Pipe 1K0122447ED

Product currently unavailable

Part no. A2712300656

Mercedes C CLK W203 C209 Kompressor Air Conditioning Suction Pipe Line

Product currently unavailable

Part no. 059121065AT

Audi Q7 4L Water Hose Cooling Coolant Radiator Pipe Line 059121065AT

Product currently unavailable

Part no. 8517079

Water Hose BMW F10 F11 F13 535d 640d N57Z Coolant Cooling Pipe Line 8517079

Product currently unavailable

Part no. A2125013725-1

Mercedes W212 Diesel OM651 Bleed Line Radiator Expanion Tank Hose A2125010825

Product currently unavailable

Part no. A6511400675-4

EGR Exhaust Cooler Mercedes W639 W906 Diesel OM651 Valve A6511420467

Product currently unavailable

Part no. 2248057

BMW X5 Series E53 3.0d M57 Water Hose Radiator Pipe Engine Cooler 2248057

Product currently unavailable

Part no. 06H121085C

Audi A4 B8 1.8 TFSI Water Hose Cooling Radiator Coolant Pipe Line 06H121085C

Product currently unavailable

Part no. 03C121497C

Audi A1 8X Turbocharger Water Feed Hose Cooling Coolant Pipe Line 03C121497C

Product currently unavailable

Part no. 7566044-1

BMW 1 3 Series E81 E87N E90 Petrol N43 Oil Gearbox Cooling Pipe Inlet 7566044

Product currently unavailable

...

Showing 2575-2673 of 3847 products