What is the construction and purpose of engine cooling?

Engine cooling is a set of parts responsible for maintaining the proper operating temperature of the powertrain. A typical system consists of a radiator, water pump, thermostat, hoses, fan, sensors, and an expansion tank. These elements are located mainly in the engine compartment and connected by a coolant circuit.

What is engine cooling used for?

Engine cooling is used to absorb excess heat from the block and cylinder head and to stabilize the operating temperature during driving and when stationary. An efficient system limits the risk of overheating and also affects the proper operation of the heater, fan, and control sensors. Without proper cooling, engine performance may drop, and cooperating components may fail.

What role does the expansion tank play in the cooling system?

The expansion tank is a cooling system element that absorbs fluid volume changes resulting from temperature increases and decreases. It is used to maintain the correct fluid level and works with a pressure cap that stabilizes the system's operating conditions. Fluid levels and the condition of return hoses are often checked within its vicinity.

How to choose a cooling system part for a specific car version?

It is safest to compare the OEM number, engine version, body type, and mounting location. It is also worth checking the number of pins in the plug, pipe diameter, mounting type, and the presence of additional sensors. For parts such as a fan or auxiliary pump, the control method also matters.

What symptoms indicate cooling system problems?

Typical symptoms include rising engine temperature, fluid leaks, the fan not turning on, steam from under the hood, or the unit taking too long to warm up. In some cars, temperature sensor errors or weaker interior heating also appear. Symptoms should be analyzed in conjunction with the operation of the thermostat, water pump, and hose tightness.

What to pay attention to when installing engine cooling parts?

After installation, you must check the tightness of connections, correct seating of mounts, and the condition of seals. It is also important to top up with the correct fluid and bleed the system according to the manufacturer's procedure. In the case of electrical parts, you should additionally verify the plugs, wiring harness, and fan control operation.

Engine cooling

At the Global Parts automotive store, we offer a wide selection of original used car parts, including engine cooling components, for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.

More information

Make

Volkswagen Skoda Seat Audi Auxiliary Secondary Water Pump Petrol 5Q0906457B

Product currently unavailable

Part no. 1K0122058E

Volkswagen VW Golf Mk5 Water Hose Radiator Coolant Pipe Line 1K0122058E

Product currently unavailable

Part no. 05C121070A

Volkswagen Golf Mk8 Water Coolant Pipe Hose Line 1.0 TSI DLAA Petrol 05C121070A

Product currently unavailable

Part no. 2E0819895BB

VW Volkswagen Crafter 2E Coolant Hose Line Tube Pipe Heat Exchanger 2E0819895BB

Product currently unavailable

Part no. 6Q0121407

VW Volkswagen Polo 4 9N Coolant Reservoir Expansion Tank Fluid Bottle 6Q0121407

Product currently unavailable

Part no. 7H0965561

Volkswagen Transporter T5 Amarok 2H Auxiliary Water Pump 7H0965561

Product currently unavailable

Part no. 5Q0122157AK-2

Volkswagen Golf Mk7 Water Hose Radiator Coolant Pipe 2.0 TFSI CHHA 5Q0122157AK

Product currently unavailable

Part no. 5WA122157AG

Volkswagen Polo VI AW 2.0 TSI Coolant Water Hose Line Tube Pipe 5WA122157AG

Product currently unavailable

Part no. 7N0819374B

Volkswagen Sharan 7N Water Coolant Pipe Hose Line 1.4 TSI 7N0819374B

Product currently unavailable

Part no. 038121133A

VW Volkswagen New Beetle 1.9 TDI Coolant Thermostat Housing Flange 038121133A

Product currently unavailable

Part no. 1K0122447DD

VW Volkswagen Eos 1F Water Hose Radiator Coolant Pipe 2.0 Petrol 1K0122447DC

Product currently unavailable

Part no. 070121131E

Volkswagen Touareg 2.5 TDI BPE Water Coolant Pipe Hose Connector 070121131E

Product currently unavailable

Part no. 5N0121070Q

VW Volkswagen Sharan 7N Water Pipe Hose Coolant Cooling Line 5N0121070Q

Product currently unavailable

Part no. 04E145641M

Volkswagen Golf CD1 Connect Pipe Hose Line 04E145641M

Product currently unavailable

Part no. 7L6203491B

VW Volkswagen Touareg 7L Oil Fuel Cooler Cooling Radiator 7L6203491B

Product currently unavailable

Part no. 038121065BG

VW Volkswagen New Beetle 1.9 TDI BSW Diesel Water Coolant Pipe Hose 038121065BG

Product currently unavailable

Part no. 03L121111S

VW Golf 6 1.6 TDI CAY Diesel Engine Thermostat Cooling Housing 03L121111S

Product currently unavailable

Part no. 1K0121251DD-1

Volkswagen VW Golf Mk6 Radiator Engine Cooling Coolant Water Unit 1K0121251DD

Product currently unavailable

Part no. 076121064

VW Volkswagen Crafter 2E Water Coolant Pipe Hose Line Diesel Engine 076121064E

Product currently unavailable

Part no. 5N0122101AC

Volkswagen Tiguan 5N Water Pipes Hoses Coolant Cooling Line 5N0122101AC

Product currently unavailable

Part no. 7N0122073AB

VW Volkswagen Sharan 7N Water Pipe Hose Coolant Cooling Line 7N0122073AB

Product currently unavailable

Part no. 5N0121447C

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

Product currently unavailable

Part no. 022121117C-1

Volkswagen Touareg 7L Water Thermostat Coolant Housing 3.2 Petrol 022121117C

Product currently unavailable

Part no. 1T0121284D

VW Volkswagen Touran 1t Radiator Air Guide Bracket Cover Right O/S 1T0121284D

Product currently unavailable

Part no. 1C0121253A

Volkswagen VW New Beetle Radiator Fan Engine Cooling Cooler Unit 1C0121253A

Product currently unavailable

Part no. 04B121111C

Volkswagen Polo Mk5 Coolant Regulator Thermostat Housing Pipe 1.4 TDI 04B121111C

Product currently unavailable

Part no. 5Q0121253H

Volkswagen Golf R Mk7 Auxiliary Coolant Radiator Water Cooler 5Q0121253H

Product currently unavailable

Part no. 059121075CB

Volkswagen Touareg 7L Water Coolant Hose Pipe 3.0 TDI Diesel Engine 059121075CB

Product currently unavailable

Part no. 7N0121051D

VW Volkswagen Sharan 7N Water Pipe Hose Coolant Cooling Line 7N0121051D

Product currently unavailable

Part no. 1K0122447T

Volkswagen Audi Seat Skoda Water Hose Radiator Coolant Pipe Line 1K0122447T

Product currently unavailable

Part no. 5N0971349BA

Volkswagen Sharan 7N Alternator Generator Wiring Harness Cable 5N0971349BA

Product currently unavailable

Part no. 3C0122073FB

Volkswagen Passat B6 Audi TT 8J Water Coolant Hose Pipe 2.0 TDI 3C0122073FB

Product currently unavailable

Part no. 7H0122157BC

VW Volkswagen Transporter T5 Heat Exchanger Coolant Hose Pipe Line 7H0122157BC

Product currently unavailable

Part no. 04L122073E

VW Scirocco Mk3 Jetta A6 Audi A3 8V Q3 8U Coolant Pipes Hoses 2.0 TDI 04L122073E

Product currently unavailable

Part no. 5Q0121156D

VW Volkswagen Golf Mk8 Water Pipes Hoses Coolant Cooling Line 5Q0121156D

Product currently unavailable

Part no. 021121031D

Audi TT 8J 3.2 V6 BUB Water Pump Pulley Water Wheel Guide 021121031D

Product currently unavailable

Part no. 1K0121205AF

VW Volkswagen Golf 6 1.6 TDI Diesel Engine Cooling Radiator Fan 1K0121205AF

Product currently unavailable

Part no. 03C121050J

Volkswagen Golf Mk5 Heater Water Cooling Pipe Hose Line 2.0 TDI 03C121050J

Product currently unavailable

Part no. 045115389E

Volkswagen Golf MK5 Audi A3 8P Tdi Oil Filter Housing Oil Cooler 045115389E

Product currently unavailable

Part no. 2D0121403K

Volkswagen LT 35 Coolant Expansion Tank Coolant Overflow Reservoir 2D0121403K

Product currently unavailable

Part no. 045121065M

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

Product currently unavailable

Part no. 5Q0121203DQ

Volkswagen Golf Sportsvan Radiator Fan Cooling Blower Motor Unit 5Q0121203DQ

Product currently unavailable

Part no. 7H0121065P

Volkswagen Transporter T5 Coolant Water Pipe Hose Line 2.5 TDI 7H0121065P

Product currently unavailable

Part no. 7L6122051H

Volkswagen Touareg 2.5 TDI Water Hose Radiator Coolant Tube Pipe Line 7L6122051H

Product currently unavailable

Part no. 5Q0965567N

VW Volkswagen Golf 8 Additional Auxiliary Water Pump 1.0 TSI DLAA 5Q0965567N

Product currently unavailable

Part no. 7E0122157BH

VW Volkswagen Transporter T5 Water Hose Coolant Pipe Line 2.0 TDI 7E0122157BH

Product currently unavailable

Part no. 5N0121253P

Volkswagen Tiguan 5N Coolant Radiator Line Pipe Cooler Tube 5N0121253P

Product currently unavailable

Part no. 1K0121086AH

Audi A3 8P VW Golf 5 Seat Leon 1P1 Coolant Hose Pipe Diesel 2.0 TDI 1K0121086AH

Product currently unavailable

Part no. 6R0121070M

VW Seat Skoda1.2 TDI CFWA Coolant Pipe Return Radiator Expansion Tank 6R0121070M

Product currently unavailable

Part no. 1C0121207C

Volkswagen New Beetle 1C 9C Radiator Fan Shroud Housing 1C0121207C

Product currently unavailable

Part no. 03C121151D

Audi A3 8P VW Jetta Mk6 Sharan 7N Water Coolant Pipe Hose 1.4 TSI 03C121151D

Product currently unavailable

Part no. 7L6121058AN

Volkswagen Touareg 7L 3.0 TDI Water Hose Cooling Coolant Pipe Line 7L6121058AN

Product currently unavailable

Part no. 5N0122157AJ

Volkswagen VW Tiguan 5N Water Pipe Hose Coolant Cooling Line 5N0122157AJ

Product currently unavailable

Part no. 8R0201892

Audi A4 B8 A5 8T TDI Diesel Water Coolant Cooling Pipe Hose Line 8R0201892

Product currently unavailable

Part no. 03C121004J

Volkswagen VW Touran 1T Water Pump Coolant Unit 1.4 TSI Petrol 03C121004J

Product currently unavailable

Part no. 7E0121253A

Volkswagen Transporter T5 Intercooler Radiator Cooler Package 7E0121253A

Product currently unavailable

Part no. 5Q0121619D-2

Volkswagen Beetle 2.0 TDI Water Hose Coolant Radiator Pipe Line 5Q0121619D

Product currently unavailable

Part no. 5Q0121156C

Volkswagen VW Golf SV Petrol Engine Coolant Pipe Hose Vent 5Q0121156C

Product currently unavailable

Part no. 03L121151L

VW Volkswagen Sharan 7N Water Pipes Hoses Coolant Cooling Line 03L121151L

Product currently unavailable

Part no. 5Q0122101BK

VW Golf Mk7 Audi A3 8V Water Hose Radiator Coolant Pipe Line Diesel 5Q0122101BE

Product currently unavailable

VW Polo Mk4 9N Seat 1.4 TDI BMS Coolant Flange Thermostat Housing 045121121A

-9%

Part no. 045121121A

VW Polo Mk4 9N Seat 1.4 TDI BMS Coolant Flange Thermostat Housing 045121121A

Product currently unavailable

Part no. 03L121065H

Volkswagen Golf Mk6 Audi A3 8P Hose Thermostat Coolant Pipe 2.0 TDI 03L121065H

Product currently unavailable

Part no. 7L0122051

Volkswagen Touareg 7L Engine Water Coolant Pipe Hose 3.2 V6 Petrol 7L0122051

Product currently unavailable

Part no. 7E0121086H

VW Volkswagen Transporter T5 2.0 TDI CAAA Coolant Hose Pipe Line 7E0121086H

Product currently unavailable

Part no. 032121111N

Volkswagen Polo 6N Water Coolant Thermostat Housing 032121111N

Product currently unavailable

Part no. 1K0121251DN

VW Volkswagen Golf Mk6 Radiator Engine Cooling Coolant Unit 1K0121251DN

Product currently unavailable

Part no. 7L6122291F

VW Volkswagen Touareg Engine Radiator Coolant Hose Pipe Line Diesel 7L6122291F

Product currently unavailable

Part no. 1K0121251DT

Volkswagen VW Golf 5 Radiator Engine Cooling Coolant Unit 1K0121251DT

Product currently unavailable

Part no. 5Q0122157BP

Volkswagen Golf MK7 Audi A3 8V Water Coolant Hose 1.4 TSI 5Q0122157BP

Product currently unavailable

Part no. 5Q0121049CL

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

Product currently unavailable

Part no. 1K0959455FR-1

Volkswagen Audi S3 8P Cooling Radiator Fan Shroud Left N/S 2.0 TDI 1K0959455FR

Product currently unavailable

Part no. 7N0122101G

Volkswagen VW Sharan 7N Water Hose Radiator Coolant Pipe Line 7N0122101G

Product currently unavailable

Part no. 7H0819308A

Volkswagen Transporter T5 Cooling Water Hose Coolant Pipe 2.5 TDI 7H0819308A

Product currently unavailable

Part no. 5K0122157K

Volkswagen New Beetle Water Coolant Cooling Pipe Hose Line 2.0 TDI 5K0122157K

Product currently unavailable

Part no. 05E122447E

Volkswagen Golf CD1 Water Pipes Hoses Coolant Cooling Line 05E122447E

Product currently unavailable

Part no. 03N906249E

VW Volkswagen Crafter SY Electric Auxiliary Additional Water Pump 03N906249E

Product currently unavailable

Part no. 6R0121070J

VW Polo MK5 Seat Ibiza 4 Skoda 1.2 TDI CFWA Coolant Pipes Assembly 6R0121070J

Product currently unavailable

Part no. 6Q0121207E

Seat Skoda Volkswagen Fox 5Z 1.2 Petrol Engine Coolant Radiator Fan 6Q0121207E

Product currently unavailable

Part no. 5Q0121205

Volkswagen Golf 5G Radiator Fan Engine Cooling Cooler Blower Unit 5Q0121205

Product currently unavailable

Part no. 5N0122157BP

Volkswagen VW Tiguan 5N Water Pipe Hose Coolant Cooling Line 5N0122157BP

Product currently unavailable

Part no. 04B145771L

VW Volkswagen Polo Mk5 Turbocharger Oil Feed Pipe Line Tube 1.4 TDI 04B145771L

Product currently unavailable

Part no. 5Q0965567J

Audi A3 8V Skoda Octavia Mk3 Volkswagen Golf Mk7 Auxiliary Water Pump 5Q0965567J

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. 2E0422371-1

Volkswagen Crafter MK1 2E Power Steering Oil Tank Reservoir 2E0422371

Product currently unavailable

Part no. 1K0121447S

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

Product currently unavailable

Part no. 1K0121086AF

Audi A3 8P VW Golf Mk6 Coolant Hose Pipe Line Diesel 2.0 TDI 1K0121086AF

Product currently unavailable

Part no. 1K0121070BJ

Volkswagen Golf Mk6 Water Coolant Pipe Hose Line Tube 1K0121070BJ

Product currently unavailable

Part no. 1K0121064C

Volkswagen Golf Mk6 Water Coolant Pipe Hose Line 2.0 Diesel Engine 1K0122447GR

Product currently unavailable

Part no. 2Q0965567A-1

VW Scirocco III Golf VII Transporter T6 Additional Water Coolant Pump 2Q0965567A

Product currently unavailable

Part no. 03C121111H

Volkswagen Golf Mk5 Audi A3 8P Thermostat Housing 1.6 FSI BLF 03C121111H

Product currently unavailable

Part no. 1K0121049CG

Volkswagen Golf Mk6 Jetta Mk5 Radiator Water Pipe Hose 1.4 TSI 1K0121049CG

Product currently unavailable

Part no. 6R0122109

Coolant Hose VW Polo 6R Seat Ibiza 6J 1.2 TSI Petrol CBZB Water Line 6R0122109

Product currently unavailable

Volkswagen Touareg 7L Water Flange For Cooling System 3.2 V6 Petrol 022121085A

-0%

Part no. 022121085A

Volkswagen Touareg 7L Water Flange For Cooling System 3.2 V6 Petrol 022121085A

Product currently unavailable

Part no. 1K0122109T

Volkswagen Golf Mk5 Engine Coolant Pipe Hose Line 1.6 Petrol 1K0122109T

Product currently unavailable

Part no. 7L6122447BB

VW Volkswagen Touareg 7L Water Pipe Hose Coolant Cooling Line 7L6122447BB

Product currently unavailable

Part no. 6Q0122101BE

Volkswagen VW Polo 1.2 Water Hose Cooling Coolant Pipe Line 6Q0122101BE

Product currently unavailable

Part no. 5Q0122291AA

Volkswagen Golf Mk6 Scirocco Mk3 Passat B8 Water Coolant Pipe 5Q0122291AA

Product currently unavailable

Part no. 3Q0121064AC

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

Product currently unavailable

Part no. 7H0422371A

Volkswagen VW Transporter T5 Power Steering Fluid Expansion Tank Bottle

Product currently unavailable

...

Showing 397-495 of 498 products