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

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. GJ32-8286-AB

Land Rover Discovery Sport L550 Water Coolant Pipe Hose Line 204DT GJ32-8286-AB

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. BK3Q-9J280-AB

Ford Transit MK4 Diesel 2.2 TDCi Fuel Injection Line Pressure Pipe BK3Q-9J280-AB

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055018401

Mercedes W205 Water Pipe Line Cooling Coolant Hose A2055018401

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A9108302700

Mercedes Sprinter W910 Diesel Water Coolant Hose Pipe Feed Line A9108302700

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2058309005-1

Heating Line Mercedes W205 Return Water Hose To Circulation Pump A2058309005

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8V2118K579B

Ford Fiesta MK7 1.6 TDCI Water Hose Heater Cooling Coolant Pipe Line 8V2118K579B

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2078304200

Mercedes W207 Water Hose Coolant Cooling Pipe Line A2078304200

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2742000053

Mercedes W204 C207 W212 Cooling Engine Water Coolant Hose Pipe A2742000053

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5A30C17

BMW X1 U11 Coolant Pipe Hose Line Electric Coolant Pump 5A30C17

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8514454-1

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K0819374S

Audi A4 B8 A5 8T 2.0 TDI Heater Valve Coolant Pipe Hose 8K0819374S

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 04L121064G

Volkswagen VW Golf Mk7 5G Water Hoses Radiator Coolant Pipes Lines 04L121064G

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2722030182

Mercedes W204 W212 Coolant Cooling Hose Pipe Line M272 Engine A2722030182

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7N0819350B

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

£66.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1K0122101JR-1

VW Golf Mk6 Audi A3 8P Water Hose Radiator Coolant Pipe Line 1.6 TDI 1K0122101JR

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03L122157F

Audi A4 B8 2.0 TDI Water Hose Radiator Coolant Pipe Line 03L122157F

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6C11-8B274-BC

Ford Transit Mk7 Water Hose Engine Cooling Radiator Coolant Pipe 6C11-8B274-BC

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9X2Q-6C661-BB

Land Rover Discovery 4 L319 Coolant Hose Pipe Line Tube 9X2Q-6C661-BB

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0121070AG

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

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 80A122101AD

Audi SQ5 FY 3.0 TDI CWGD Water Coolant Pipe Hose Line Tube 80A122101AD

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1332000252

Mercedes W176 Water Circulation Feed Line Hose Tube Pipe A1332000252

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8571618

BMW X3 F25 N47N Diesel Water Hose Radiator Coolant Cooling Pipe Line 7811132

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0122096T

Volkswagen VW Passat B8 Golf Mk8 Water Coolant Hose Pipe 2.0 TDI 5Q0122096T

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7645482

Water Coolant Hose BMW F45 Mini F60 Countryman Pipe Line 7645482

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2468303496

Mercedes W246 Petrol Engine Water Coolant Pipe A2468303496

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-A2318301200

Mercedes R231 Heater Cooling Coolant Pipe Hose Line A2318301200

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K0819857B

Audi A5 8T Water Pipe Hose Line Engine Cooling Coolant Unit Hose 8K0819857B

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8E0121044N

Audi A4 S Line Radiator Coolant Hose Line Pipe Tube Water Cooler 8E0121044N

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2055017984

Coolant Hose Mercedes W205 Diesel M651 Oil Cooler Water Hose A2055017984

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06F145317E

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

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1K0122109AS

Audi A3 8P Engine Water Coolant Pipe Hose Line 1.4 TFSI CAXC Petrol 1K0122109AS

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7827842-1

BMW F10 X5 F15 X6 F16 Coolant Hose Cooling Water Line Diesel N57N 7827842

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. JHB500822-1

Land Rover Discovery 3 L319 Engine Coolant Hose Tube Line Pipe 6H22-15141-AA

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K1819350AQ

Audi A4 S4 B8 Water Hoses Cooling Coolant Radiator Pipes 3.0 TFSI 8K1819350AQ

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7L6122291AC

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

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7P0121070AJ-1

Porsche Cayenne 92A Coolant Hose Pipe Line 3.0 TFSI Hybrid 7P0121070AJ

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. EB3G-8C351-CF

Ford Ranger Mk3 Radiator Water Coolant Hose Pipe Line Bottom EB3G8C351CF

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1665008075

Mercedes GLE W166 C292 M157 AMG Coolant Hose Water Cooling Line A1665008075

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5WA122073H

Coolant Hose Volkswagen Golf CD1 Polo 1.0 TSI Water Tube Line Pipe 5WA122073H

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6512002700

Mercedes W205 X253 Diesel OM651.921 Engine Coolant Water Thermostat A6512002700

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4M0819350F

Audi Q7 4M Q8 Mk2 VW Touareg Mk3 Water Coolant Hose Line Tube Pipe 4M0819350F

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9845329

BMW i4 G26 Reservoir Coolant Expansion Tank Bottle Line Pipe Hose Tube 9845329

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. GJ32-8C481-AA

Land Rover Discovery Sport L550 Water Coolant Pipe Line GJ32-8C481-AA

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1665007975

Mercedes GLE W166 C292 M278 Coolant Hose Water Cooling Line A1665007975

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K0819377AA

Audi A5 8T Water Hose Cooling Radiator Coolant Pipe Line 8K0819377AA

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9292730

BMW i3 I01 Water Coolant Hose Expansion Tank Return Pipe Line 9292730

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K0819376AC

Audi A5 8T Coolant Water Hose Line Tube Pipe 3.0 TDI Diesel Engine 8K0819376AC

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-A2318300500

Mercedes SL R231 Coolant Hose Pipe Line Return Heat Exchanger A2318300500

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7644101

BMW X5 F15 N20 40eX Hybrid Water Coolant Cooling Pipe Hose 7644101

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4K0122101BJ

Audi A6 C6 Water Pipe Hose Line Cooling Coolant 4K0122101BJ

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2538305500

Mercedes W213 S213 Water Hose Cooling Coolant Pipe Line A2538305500

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 3AA122073A

Audi TT 8J Engine Coolant Hose Pipe Line Tube Quick Release Coupling 3AA122073A

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 2N0121096BM-1

Volkswagen Crafter TR SC SZ Coolant Hose Water Pipe Line Tube 2N0121096BM

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 059121071DE

Audi A4 B9 A5 8T Radiator Coolant Water Hose Line Tube Pipe 3.0 TDI 059121071DE

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8476120

BMW G20 G22 Water Hose Radiator Coolant Cooling Tube Pipe Line 8476120

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9007196B

Land Rover Discovery 4 L319 Coolant Hose Pipe Line Tube Engine Top 9007196B

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K0819373K

Audi A5 8T Coolant Water Hose Line Tube Pipe 8K0819373K

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7580957

Cooling Pipe BMW F10 F11 F12 F13 F18 N55 Petrol Radiator Hose Line 7580957

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8515510

Hose BMW X5 F15 N47 N57 Diesel Coolant Expansion Tank To Radiator Line 8515510

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 2E0122096F

Volkswagen Crafter 2E Coolant Hoses Water Cooling Pipe 2.0 TDI Diesel 2E0122096F

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4M50-6K869-AC

Ford Mondeo Mk4 Water Hose Engine Cooling Radiator Heater Pipe 4M50-6K869-AC

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 3Q0122157AF

Skoda Karoq Water Coolant Pipe Hose Line 2.0 TDI 3Q0122157AF

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2315000575

Mercedes SL63 R231 M157 Engine Cooler Water Pipe Hose Coolant Line A2315000575

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 2501590

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

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7P6121070AF

VW Volkswagen Touareg 7P Water Coolant Hoses Pipes Lines SET 3.0 TDI 7P6121070AF

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K0819374

Audi A4 B8 2.0 TDI Diesel Water Pipe Engine Cooling Coolant Hose Line 8K0819374

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. A2702032902-1

Water Pipe Mercedes C117 W176 W246 M270 Coolant Hose Line A2702032902

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6C0122447K

Audi A1 8X Polo 6C Water Coolant Hose Pipe 1.4 TSI TFSI 6C0122447K

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. A1725010358

Mercedes R172 Engine Radiator Coolant Hose Pipe A1725010358

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7616037

BMW i3 I01 Water Coolant Cooling Hose Pipe Line Radiator 7616037

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8K0121101P

Audi A4 B8 2.0 TDI Diesel Water Pipe Engine Cooling Coolant Hose Line 8K0121101P

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06J121075B

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

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7612444-1

Cooling Hose BMW E84 N20 Petrol Engine Radiator Water Coolant Pipe Line 7612444

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8J0121109E

Audi TT Mk2 8J Water Coolant Pipe Hose 1.8 2.0 TFSI CDAA CESA Petrol 8J0121109E

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 2751613

Mini Cooper D R55 R56 Diesel Engine Inlet Heater Radiator Water Hose 2751613

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7645483

Water Hose BMW F45 225xe Mini F60 SE ALL4 B38X Coolant Pipe Line 7645483

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03L121111AB

Volkswagen Crafter Water Thermostat Cooling Hoses Pipe 03L121111AB

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6922394

Mini Cooper R50 Hose Heater Radiator 6922394

£13.95

Free delivery: Sep 08

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 08

If paid before 14:00

Part no. 7591098

BMW F01 F02 F03 N74 Engine Water Pipe Coolant Hose Supply Line Petrol 7591098

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9208183

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 04L131850A

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. A6512000451

Coolant Pipe Mercedes W212 Diesel OM651 Water Pump Flange Line A6512000451

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7C0121071B

Volkswagen VW Crafter SY Water Coolant Hose Pipe Line 2.0 TDI 7C0121071B

£94.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7591099

BMW F01 F02 F03 F04 N74 Water Coolant Return Pipe Hose Line 7591099

£37.95

Free delivery: Sep 08

If paid before 14:00

Part no. 4G0819374R

Audi A6 Allroad A7 4G8 Sportback Heater Coolant Hose Pipe Line Tube 4G0819374R

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7509966

Coolant Hose BMW X5 E53 Petrol Engine N62 Cooling System Water Line 7509966

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8597301

BMW G20 G22 Water Hose Radiator Coolant Cooling Tube Pipe Line 8597301

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8780520

Coolant Hose BMW X3 G01 X4 G02 B48 B47D B57 B58 Battery 48V Cooling Line 8780520

£85.95

Free delivery: Sep 08

If paid before 14:00

Part no. A4535012082

Smart A453 Renault Twingo III Water Coolant Hose Line Pipe A4535012082

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. PEL500310-2

Land Rover Discovery L319 Engine Cooling Water Hoses Thermostat 2.7 V6 PEL500310

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8597295

BMW G20 Water Hose Radiator Coolant Cooling Tube Pipe Line 8597295

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. FPLA-8C202-CB

Range Rover Sport L494 Coolant Hose Pipe Line 3.0 Diesel Engine FPLA8C202CB

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 9320219

BMW X5 F15 N20 40eX Hybrid Return Water Coolant Cooling Pipe Hose 9320219

£42.95

Free delivery: Sep 08

If paid before 14:00

Part no. 8598379

BMW G20 G22 Water Hose Radiator CoolantPump Cooling Tube Pipe Line 8598379

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0122051BJ

Audi A3 8V 1.6 TDI CRKB Water Coolant Pipe Hose Line Tube 5Q0122051BJ

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6C11-3691-CB

Ford Transit Mk7 Engine Water Hose Cooling Coolant Pipe 2.2 TDCI 6C11-3691-CB

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7559476

Mini Cabrio R50 R52 Lower Radiator Coolant Pipe Hose Line 7559476

£13.95

Free delivery: Sep 08

If paid before 14:00

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