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

Make

Audi A4 S4 B8 S5 8T Water Hose Radiator Coolant Pipe Line 3.0 TFSI 06E121045AS

Product currently unavailable

Part no. HPLA-8286-DA

Range Rover Evoque L538 Radiator Coolant Hose Pipe Line 3.0 Diesel HPLA-8286-DA

Product currently unavailable

Part no. 2081392

Ford Focus Mk3 Kuga Mk2 Water Pipe Coolant Hose 2.0 TDCi Diesel 2081392

Product currently unavailable

Part no. G4D3-8555-BC-1

Range Rover Evoque L538 Water Coolant Pipe Hose 2.0 G4D3-8555-BC

Product currently unavailable

Part no. 7P5422881M

Porsche Cayenne S 92a Coolant Pipe Hose Tube Line 7P5422881M

Product currently unavailable

Part no. 04L121049H

VW Volkswagen Crafter SY Water Coolant Pipe Hose Tube Line 04L121049H

Product currently unavailable

Part no. 7H0121157P

Volkswagen Transporter T5 1.9 TDI Water Coolant Pipe Hose Line 7H0121157P

Product currently unavailable

Part no. 1K0121049CF

Volkswagen Audi Seat Skoda Water Radiator Pipe Hose Line 1.2 TSI 1K0121049CF

Product currently unavailable

Part no. 1K0121096C

Volkswagen Golf MK5 Engine Water Coolant Pipe Hose 1K0121096C

Product currently unavailable

Part no. A2385010601

Coolant Hose Mercedes W213 C238 Water Pump To Radiator A2385010601

Product currently unavailable

Part no. 1490703

Ford Focus Titanium Expansion Tank Overflow Hose Pipe Tube Line 3M5H-8C012-KL

Product currently unavailable

Part no. 8475682

BMW i4 G26 Water Hose Radiator Coolant Cooling Tube Pipe Line 8475682

Product currently unavailable

Part no. A6290180582

Mercedes W164 OM629 Crankcase Cover Pressure Control Valve Hose A6290180582

Product currently unavailable

Part no. 06E121045AN

Audi S4 B8 S5 8T Water Hose Radiator Coolant Pipe Line Tube 3.0 TFSI 06E121045AN

Product currently unavailable

Part no. 07L121481H

Audi A6 C6 S8 D3 Engine Water Coolant Pipe Line Tube Hose 07L121481H

Product currently unavailable

Part no. 1335277

Land Rover Discovery 3 L319 Water Coolant Pipe Hose Line 2.7 V6 4H2Q-6720-CD

Product currently unavailable

Part no. A2742031202

Water Hose Mercedes W204 C207 W212 W205 W213 M274 Coolant Line Pipe A2742031202

Product currently unavailable

Part no. 3Q0121156D

Volkswagen Caddy SB Engine Cooling System Hose Pipe 2.0 TDI 3Q0121156D

Product currently unavailable

Part no. 1K0122101CC

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

Product currently unavailable

Part no. 9X239Y439AD

Jaguar XF250 Cooling Pipe Radiator Coolant Fluid Hose Line 9X239Y439AD

Product currently unavailable

Part no. 04L121064T

Audi A3 8V Engine Coolant Pipe Hose Line 04L121064T

Product currently unavailable

Part no. 5N0122157AM

Audi Q3 8U Water Pipe Hose Coolant Cooling Line 2.0 TDI Diesel 5N0122157AM

Product currently unavailable

Part no. A2025015382

Mercedes-Benz W202 W208 Heat Exchanger Water Coolant Hose Pipe A2025015382

Product currently unavailable

Part no. A2535012500

Mercedes GLC C253 Coolant Hose Water Radiator Line Diesel OM651 A2535012500

Product currently unavailable

Part no. A6422030000

Mercedes W213 C238 C253 OM642 Engine Turbocharger Coolant Pipe Hose A6422030000

Product currently unavailable

Part no. 7507149

BMW G30 G31 G32 G11 G12 Radiator Coolant Pipe Hose Line 2.0 Hybrid 7507149

Product currently unavailable

Part no. 8C118C351AA

Ford Transit MK7 Water Hose Cooling Coolant Radiator Pipe Line 8C118C351AA

Product currently unavailable

Part no. 4M0819927CP

Audi Q7 4M Water Coolant Hose Tube Line Pipe 3.0 TDI Diesel Set 4M0819927CP

Product currently unavailable

Part no. 8R0121081AD

Audi Q5 8R 2.0 TDI Expansion Bottle Tank Radiator Hose Line Pipe 8R0121081AD

Product currently unavailable

Part no. 5N0121051H

Audi Q3 8U 2.0 TDI Engine Water Coolant Pipe Hose 5N0121051H

Product currently unavailable

Part no. A6422000556

Flange Mercedes W639 Diesel OM642 Coolant Line Fitting Flange A6422000556

Product currently unavailable

Part no. A2702033003

Coolant Line Mercedes W176 Petrol M270 Water Pump Pipe Hose A2702033003

Product currently unavailable

Part no. 045121065M

VW Volkswagen Polo 9N 1.4 TDI Coolant Pipe Hose Line Tube 045121065M

Product currently unavailable

Part no. 8K1819371AC

Audi A4 B8 Water Coolant Hose Tube Pipe Line 2.0 TDI Diesel 8K1819350AC

Product currently unavailable

Part no. DG93-18C266-FE

Ford Mondeo Mk5 Coolant Radiator Water Hose Pipe Tube Line DG93-18C266-FE

Product currently unavailable

Part no. A2035010025

Mercedes A209 W203 Breather Hose Tube Line Engine Expansion Tank A2035010025

Product currently unavailable

Part no. A2535015301

Mercedes GLC X253 Hybrid Battery Coolant Pipe Hose Line A2535015301

Product currently unavailable

Part no. 04L121065BH

Volkswagen Tiguan 5n Water Coolant Pipe Hose Tube Line 2.0 TDI CUVC 04L121065BH

Product currently unavailable

Part no. 8J0121073E

Audi TT 8J 2.5 TFSI Water Coolant Pipe Hose Line 8J0121073E

Product currently unavailable

Part no. 8379993

BMW 3 Series E39 Hose Pipe For Radiator And Check Valve 8379993

Product currently unavailable

Part no. 3C0122101FS

Volkswagen SEAT Skoda Audi Water Coolant Pipe Line Hose 3C0122101FS

Product currently unavailable

Part no. 6759633

BMW 3 Series E46 Power Steering Reservoir Return Line Radiator 6759633

Product currently unavailable

Part no. 5N0121086D

Audi Q3 8U Coolant Cooling Hose Pipe Line 2.0 TDI Diesel Engine 5N0121086D

Product currently unavailable

Part no. 8K1819373AC

Audi A4 B8 Engine Coolant Hose Tube Pipe Line S5000223

Product currently unavailable

Part no. M8D2-8C480-BB

Land Rover Discovery Sport L550 Coolant Hose Pipe 2.2 Diesel M8D2-8C480-BB

Product currently unavailable

Part no. 3M5H9Y438AC

Ford Mondeo MK4 Water Hose Engine Cooling Radiator Heater Pipe 3M5H-9Y438-AC

Product currently unavailable

Part no. 8571595

BMW G20 G21 G30 G31 X5 G05 B57 Water Hose Heat Exchanger Pipe Line 8571595

Product currently unavailable

Part no. 5A30C15

BMW X1 U11 Water Coolant Feed Line Radiator Pump Hose Line B38X 5A30C15

Product currently unavailable

Part no. 2459845

Ford Transit Mk8 Water Coolant Pipe Hose Line 2.0 EcoBlue GK21-8260-BD

Product currently unavailable

Part no. A2048304496

Mercedes C204 S04 W204 Recirculation Pump Hose Tube Line Pipe A2048304496

Product currently unavailable

Part no. A6179970882

Mercedes-Benz A M ML W163 W168 Wiper Water Hose Pipe Line Front A6179970882

Product currently unavailable

Part no. A1332000451

Mercedes W176 A45 AMG Petrol Engine Water Coolant Pipe Hose Line A1332000451

Product currently unavailable

Part no. Z16005526

Ford Transit Connect Mk2 Coolant Elbow Pipe Line 1.5 TDCI Z16005525

Product currently unavailable

Part no. 06D121492J

Audi A4 B7 A6 C6 Engine Coolant Pipe Hose Tube Line 2.0 BWE Petrol 06D121492J

Product currently unavailable

Part no. 4F0121107AN

Audi A6 C6 Coolant Breather Vent Pipe Hose 2.0 TDI Diesel 4F0121107AN

Product currently unavailable

Part no. A6542030001

Mercedes W205 W213 OM654 Oil Cooler Pipe Hose Line A6542030001

Product currently unavailable

Part no. 3C0122096G

Volkswagen Passat CC Water Coolant Pipe Hose Line 3.6 FSI 3C0122096G

Product currently unavailable

Part no. A2223270044-1

Mercedes C216 W212 S212 Water Hose Coolant Cooling Pipe Line A2223270044

Product currently unavailable

Audi Q5 8R Engine Coolant Water Hose Pipe Line 2.0 Diesel 8R0819334AE

-2%

Part no. 8R0819334AE

Audi Q5 8R Engine Coolant Water Hose Pipe Line 2.0 Diesel 8R0819334AE

Product currently unavailable

Part no. A1770940782

Mercedes W205 W253 C63 Water Coolant Pipe Hose Line M177 A1770940782

Product currently unavailable

Part no. 924001085R

Renault Trafic Mk3 Vivaro B Water Coolant Pipe Hose Line 924001085R 93866067

Product currently unavailable

Part no. 06L121081K

Audi Q5 FY 2.0 TFSI Water Cooling Line Vacuum Breather Pipe Hose 06L121081K

Product currently unavailable

Part no. 6752844

BMW E65 E66 E67 Fuel Tank Vent Pipe Line 16116752844 6752844

Product currently unavailable

Part no. CPLA-8C289-CB

Land Range Rover Vogue L405 Sport L494 Water Coolant Pipe Hose CPLA-8C289-CB

Product currently unavailable

Part no. 6R0122447K-1

Audi A1 8X Coolant Water Pipe Hose Line Engine Cooling 6R0122447K

Product currently unavailable

Part no. A6542039600-2

Mercedes W205 W447 OM654 Water Hose Engine Cooling Coolant Pipe Part A6542039600

Product currently unavailable

Part no. 04L121064C

Audi A3 8V Q3 8U Engine Water Coolant Pipe Cooling Hose Line 2.0 TDI 04L121064C

Product currently unavailable

Part no. A2134300229

Mercedes W253 W213 C238 Coolant Hose Line Tube Pipe A2134300229

Product currently unavailable

Part no. MB3G-18D476-FF

VW Volkswagen Amarok NF Coolant Hose Line Tube Pipe MB3G-18D476-FF

Product currently unavailable

Part no. A6402032282

Mercedes W169 W245 Heater Radiator Water Cooling Hose Diesel A6402032282

Product currently unavailable

Part no. 80A121081ED

Audi Q5 FY Coolant Hose With Quick Release Coupling Engine Bay 80A121081ED

Product currently unavailable

Part no. 5334119

Ford Mondeo Mk4 Engine Water Coolant Radiator Pipe Hose 2.0 TDCI DG93-8260-GA

Product currently unavailable

Part no. 1316063

Land Rover Discovery 3 L319 Water Coolant Flange Pipe 2.7 Diesel 4H2Q-8A544-AB

Product currently unavailable

Part no. 8511753

Cooling Hose BMW F07 F10 F11 LCI 530d Coolant Line Pipe Tube 8511753

Product currently unavailable

Part no. 5A30C14

BMW U06 X1 U11 Water Coolant Feed Line Radiator B38X 5A30C14

Product currently unavailable

Part no. 7789720-1

BMW E87 118d 120d M47N2 Cooling Radiator Water Hose Pipe 7789720

Product currently unavailable

Part no. A2105016282

Mercedes Radiator Hose W210 Upper Coolant Line Top Hose OM613 Diesel A2105016282

Product currently unavailable

Part no. 8689864

Coolant Hose BMW G20 G21 Z4 G29 Petrol B46 B48 Heater Return Line 8689864

Product currently unavailable

Part no. 9382866

Heat Exchanger Hoses BMW G20 G21 X3 G01 X4 G04 Coolant Pipes Line Set 9382866

Product currently unavailable

Part no. 8K0121030K-1

Audi A4 B8 Water Hose Radiator Coolant Pipe Line 1.8 2.0 Petrol 8K0121030K

Product currently unavailable

Part no. 2249779

BMW 3 E46 M47N Engine Cooling Radiator Water Hose Pipe Line Diesel 2249779

Product currently unavailable

Part no. 3Q0122101CG

VW Volkswagen Golf Mk8 Water Coolant Pipe Hose Line 2.0 TDI Diesel 3Q0122101CG

Product currently unavailable

Part no. FPLA-8584-CB

Range Rover Evoque L538 Water Coolant Cooling Hose Pipe Line 3.0 FPLA-8584-CB

Product currently unavailable

Part no. A2213200355

Mercedes CL C216 W221 Radiator Coolant Cooling Hose Pipe Line A2213200355

Product currently unavailable

Part no. 5Q0122051AL

Audi A3 8V Water Coolant Cooling Pipe Hose Line Diesel Engine 5Q0122051AL

Product currently unavailable

Part no. 7619685

BMW F07 LCI F10 F11 N20 Petrol Engine Coolant Hose Line Tube Pipe 7619685

Product currently unavailable

Part no. 1C0121086L

Volkswagen Beetle 1.6 Petrol Water Coolant Pipe Hose Line 1C0121086L

Product currently unavailable

Part no. 3C0122157DR

Volkswagen Passat CC Water Coolant Hose Pipe 3C0122157DR

Product currently unavailable

Part no. 8053478

Bmw X3 F97 M 3.0 Petrol Gearbox Cooling Pipe 8053478

Product currently unavailable

Part no. 3Q0121064AC

Volkswagen Golf Mk8 Engine Coolant Water Pipe Hose Line 2.0 TDI 3Q0121064AC

Product currently unavailable

Part no. 8841818

BMW U06 X1 U11 Water Coolant Feed Pipe Hose Line B38X 8841818

Product currently unavailable

Part no. A9068322123

Volkswagen Crafter 2E Mercedes Sprinter W906 Coolant Pipe Hose Line A9068322123

Product currently unavailable

Part no. 1614086780

Peugeot Boxer 3 Water Hose Radiator Coolant Pipe Line 2.2 HDI Diesel 1614086780

Product currently unavailable

Part no. 99610668103

Porsche Boxster 986 Engine Coolant Water Pipe Breather Hose Cooling 99610668103

Product currently unavailable

Part no. 8650984

BMW G20 Water Hose Radiator Coolant Cooling Tube Pipe Line 8650984

Product currently unavailable

Part no. 8K0145931D

Audi S4 B8 Engine Water Coolant Pipe Hose Left N/S Outer 3.0 TFSI 8K0145931D

Product currently unavailable

Part no. 7N0820721

Volkswagen Sharan 7N A/C Air Con Refrigerant Hose Pipe Line 7N0820721

Product currently unavailable

Part no. A2602003600

Mercedes W177 M260 Petrol Engine Coolant Hose Line Tube Pipe A2602003600

Product currently unavailable

Part no. 4K0122055AK

Audi A6 C8 Water Coolant Pipe Hose Line 3.0 TDI 4K0122055AK

Product currently unavailable

...

Showing 3268-3366 of 4226 products