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

Find it faster

Match to your vehicle

Make

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

Product currently unavailable

Part no. 5N0121065-1

Volkswagen Tiguan 5N Water Pipe Hose Coolant Cooling Line 5N0121065

Product currently unavailable

Part no. 5Q0965567J

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

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. 1K0122447T

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

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. 1K0121205AF

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

Product currently unavailable

Part no. 7H0122447K

Volkswagen VW Transporter Water Hose Radiator Coolant Pipe Line 7H0122447K

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

Part no. 1K0121157DQ

Volkswagen VW Scirocco Mk3 Water Hose Radiator Coolant Pipe Line 1K0121156CF

Product currently unavailable

Part no. 6R0965561A

VW Golf MK6 TDI Auxiliary Electric Additional Water Pump Coolant 6R0965561A

Product currently unavailable

Part no. 1K0121156BP

Volkswagen VW Golf Mk5 1K Water Hoses Radiator Coolant Pipes Lines 1K0121156BP

Product currently unavailable

Part no. 1K0121049CG

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

Product currently unavailable

Part no. 5N0122157AJ

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

Product currently unavailable

Part no. 7E0121253A

Volkswagen Transporter T5 Intercooler Radiator Cooler Package 7E0121253A

Product currently unavailable

Part no. 6C0122051AK

Seat Ibiza Mk4 6J VW Polo Mk5 Coolant Hose Line Tube Pipe 1.4 Diesel 6C0122051AK

Product currently unavailable

Part no. 1K0121251DN

VW Volkswagen Golf Mk6 Radiator Engine Cooling Coolant Unit 1K0121251DN

Product currently unavailable

Part no. 7N0121051D

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

Product currently unavailable

Part no. 1K0121064A

Volkswagen Golf R 5K GTI 1K Jetta Audi A3 S3 Coolant Hose Pipe Line 1K0121064A

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. 03C121050J

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

Product currently unavailable

Part no. 6Q0122101BE

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

Product currently unavailable

Part no. 7C0805767A

Volkswagen Crafter SY Water Drain Upper Tube Right O/S 7C0805049A

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. 059121075CB

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

Product currently unavailable

Part no. 1K0121251DD-1

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

Product currently unavailable

Part no. 9068320223

Volkswagen Crafter 2E Engine Coolant Pipe Hose Cooling Line 9068320223

Product currently unavailable

Part no. 1C0121086L

Volkswagen Beetle 1.6 Petrol Water Coolant Pipe Hose Line 1C0121086L

Product currently unavailable

Part no. 7L6122291F

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

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. 5G0121283BD

VW Volkswagen Golf Mk7 Radiator Air Duct Guide Shroud Panel Left N/S 5G0121283BD

Product currently unavailable

Part no. 03C121111H

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

Product currently unavailable

Part no. 7H0122109A

Volkswagen Transporter T5 Coolant Hose Expansion Tank To Coolant Pipe 7H0122109A

Product currently unavailable

Part no. 6R0121070M

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

Product currently unavailable

Part no. 2K0122101F

VW Volkswagen Caddy Maxi 2k Engine Coolant Hose Engine Tube Line 2K0122101F

Product currently unavailable

Part no. 7H0122157BC

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

Product currently unavailable

Part no. 7L0317027A

VW Volkswagen Touareg 7L Porsche Cayenne 9PA Thermostat Oil Cooler Radiator

Product currently unavailable

Part no. 5K0122051R

VW Volkswagen Caddy Maxi 2k Coolant Hose Pipe Tube Line 2.0 Diesel 5K0122051R

Product currently unavailable

Part no. 2E0422371-1

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

Product currently unavailable

Part no. 5Q0122291AA

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

Product currently unavailable

Part no. 03L906088FF

Volkswagen Transporter T5 T6 Exhaust Gas Temperature Sensor 03L906088FF

Product currently unavailable

Part no. 045121121A

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

Product currently unavailable

Part no. 7E0963417

Volkswagen VW Transporter T5 Auxiliary Water Pump Coolant Unit 7E0963417

Product currently unavailable

Part no. 2K0422371A

Volkswagen VW Caddy 2K Power Steering Fluid Expansion Tank Reservoir 2K0422371A

Product currently unavailable

Part no. 5Q0122291BG

VW Volkswagen Golf R MK7 Engine Water Coolant Pipe Hose Coupling 5Q0122291BG

Product currently unavailable

Part no. 1K8121283A

VW Volkswagen Scirocco Mk3 Radiator Air Duct Guide Panel Left N/S 1K8121283A

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. 1K0122073R

VW Volkswagen Golf Mk5 V Water Coolant Hose Pipe Line 1K0122073R

Product currently unavailable

Part no. 2Q0121321A

SEAT Audi Volkswagen Skoda Water Coolant Expansion Tank Cap Cover 2Q0121321A

Product currently unavailable

Part no. MB3B-8K120-BA

VW Volkswagen Amarok Mk2 Radiator Shutter Vanes Blades SET MB3B-8K120-BA

Product currently unavailable

Part no. 1K8121284A

VW Volkswagen Scirocco Mk3 Radiator Air Duct Guide Panel Right O/S 1K8121284A

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. 3C0121156BD

VW Volkswagen Passat B6 Golf 1K Water Coolant Pipe Hose Tube Line 3C0121156BD

Product currently unavailable

Part no. 1T0121156AQ

VW Volkswagen Touran Water Cooling Hoses Coolant Pipes Lines 1T0121156AQ

Product currently unavailable

Part no. 1K0122157B

Volkswagen Golf Mk5 Water Hose Cooling Coolant Pipe Line 1.6 Petrol 1K0122157B

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. 8R0201892

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

Product currently unavailable

Part no. 1K0122109T

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

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. 7H0121065C

Volkswagen T5 7H 7J Transporter Coolant Pipe Hose Tube Line Diesel 7H0121065C

Product currently unavailable

Part no. 7H0121065P

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

Product currently unavailable

Part no. 5K0122157K

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

Product currently unavailable

Part no. 06K121051M

Volkswagen Golf R Mk7 Audi A3 8V Coolant Pipe Hose 2.0 TSI 06K121051M

Product currently unavailable

Part no. 03N906249E

VW Volkswagen Crafter SY Electric Auxiliary Additional Water Pump 03N906249E

Product currently unavailable

Part no. 1K0121058BS

Audi A3 8P Golf Mk6 Water Hose Radiator Coolant Pipe Line 2.0 TDI 1K0121058BS

Product currently unavailable

Part no. 5Q0121253H

Volkswagen Golf R Mk7 Auxiliary Coolant Radiator Water Cooler 5Q0121253H

Product currently unavailable

Part no. 03L906088HB

VW Crafter 35 Temperature Sensor Exhaust Gas Sensor Probe 2.0 TDI 03L906088HB

Product currently unavailable

Part no. 5N0121070Q

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

Product currently unavailable

Part no. 5Q0121619D-2

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

Product currently unavailable

Part no. 03F121111A

Audi Seat Skoda Volkswagen 1.2 Petrol Thermostat Housing 03F121111A

Product currently unavailable

Part no. 5Q0122101BK

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

Product currently unavailable

Part no. 7P6122447AL

Volkswagen VW Touareg 7P Coolant Hose Pipes Line 3.0 TDI Diesel 7P6122447AL

Product currently unavailable

Part no. 3Q0121064AC

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

Product currently unavailable

Part no. 2Q0965567A-1

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

Product currently unavailable

Part no. 1K0121156CQ

VW Volkswagen Eos 1f Upper Coolant Flange Pipe Water Hose Tube Line 1K0122291A

Product currently unavailable

Part no. 6C0121049C

VW Polo Mk5 Audi A1 8X Ibiza Mk4 Engine Water Coolant Hose 1.8 TFSI 6C0121049C

Product currently unavailable

Part no. 7L0122051

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

Product currently unavailable

Part no. 6Q0121407

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

Product currently unavailable

Part no. 5Q0121203DQ

Volkswagen Golf Sportsvan Radiator Fan Cooling Blower Motor Unit 5Q0121203DQ

Product currently unavailable

Part no. 06L121111G

Audi A5 8T Thermostat Coolant Housing Pump Unit 2.0 TFSI CNCD Petrol 06L121111G

Product currently unavailable

Part no. 5N0121253L

Volkswagen Tiguan 5N Engine Cooling Radiator Coolant Unit 5N0121253L

Product currently unavailable

Part no. 070121131E

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

Product currently unavailable

Part no. 1K0121064C

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

Product currently unavailable

Part no. 1K0122058E

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

Product currently unavailable

Part no. 1K0121251N-1

Audi A3 8P Coolant Radiator Engine Cooling Unit Radiator Nissens 1K0121251N

Product currently unavailable

Part no. 032121111N

Volkswagen Polo 6N Water Coolant Thermostat Housing 032121111N

Product currently unavailable

Part no. 5N0122109AA

VW Tiguan 5N Coolant Hose Radiator Cooling Water Pipe Line 2.0 TDI 5N0122109AA

Product currently unavailable

Part no. 07Z103101D

Volkswagen Phaeton 3D Pressure Regulating Valve Engine Oil Separator 07Z103101D

Product currently unavailable

Part no. 1C0122051G

VW Volkswagen New Beetle Lower Radiator Coolant Pipe Hose Tube Line 1C0122051G

Product currently unavailable

Part no. 5WA121203F-1

Volkswagen Golf CD1 Radiator Fan Engine Cooling Motor Unit 5WA121203F

Product currently unavailable

Part no. 1C0121253A

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

Product currently unavailable

Part no. 03L906088BS

Volkswagen VW Golf Mk5 Exhaust Gas Temperature Sensor Wiring Diesel 03L906088BS

Product currently unavailable

Part no. 038121133A

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

Product currently unavailable

Part no. 070121063A

Volkswagen Touareg Transporter 2.5 TDI Water Coolant Pipe Hose 070121063A

Product currently unavailable

Part no. 074121132

Volkswagen LT35 2.5 TDI Diesel Coolant Water Flange Temp Sensor 074121132

Product currently unavailable

Part no. 03L121111S

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

Product currently unavailable

Part no. 1C0121207C-1

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

Product currently unavailable

Part no. 1C0121157L

VW Volkswagen New Beetle 1.9 TDI BSW Coolant Water Hose Pipe Line 1C0121157L

Product currently unavailable

...

Showing 397-495 of 603 products