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

Fan Viscous Volkswagen LT35 2.5 TDI Diesel Radiator Fan 074121302B

Product currently unavailable

Part no. 1T0121284D

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

Product currently unavailable

Part no. 5G0121283BD

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

Product currently unavailable

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

-5%

Part no. 03C121111H

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

Product currently unavailable

Part no. 7H0122101E

VW Volkswagen Transporter T5 2.5 TDI Top Radiator Coolant Hose Pipe 7H0122101E

Product currently unavailable

VW Volkswagen Polo 6R 5 Water Hose Radiator Coolant Cooling Pipe Line 6R0121101K

-5%

Part no. 6R0121101K

VW Volkswagen Polo 6R 5 Water Hose Radiator Coolant Cooling Pipe Line 6R0121101K

Product currently unavailable

Part no. 7L6122447BD

VW Volkswagen Touareg 7L Audi Q7 4L Coolant Hose Pipe Line Tube 7L6122447BD

Product currently unavailable

Part no. 7H0122109A

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

Product currently unavailable

Part no. 6Q0122101BE

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

Product currently unavailable

VW Volkswagen Crafter 2E Coolant Hoses Water Cooling Pipe 2E0122096E

-5%

Part no. 2E0122096E-1

VW Volkswagen Crafter 2E Coolant Hoses Water Cooling Pipe 2E0122096E

Product currently unavailable

Part no. 2K0122101F

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

Product currently unavailable

Part no. 5N0971349BA

Volkswagen Sharan 7N Alternator Generator Wiring Harness Cable 5N0971349BA

Product currently unavailable

Part no. 1C0121253A

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

Product currently unavailable

Part no. 7H0122157BC

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

Product currently unavailable

Part no. 7L6122291F

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

Product currently unavailable

Part no. 03C121469C

Volkswagen Golf Mk5 Engine Cooling Coolant Water Pipe Line 1.4 TSI 03C121469C

Product currently unavailable

Part no. 05E122447E

Volkswagen Golf CD1 Water Pipes Hoses Coolant Cooling Line 05E122447E

Product currently unavailable

Part no. 7E0122073L

VW Transporter T5 Heat Exchanger Heater Coolant Hose Pipe Line 7E0122073L

Product currently unavailable

Part no. 2K0122157BD

VW Volkswagen Caddy Maxi 2k Water Coolant Pipe Hose Tube Line 2K0122157BD

Product currently unavailable

Part no. 059121073B

VW Volkswagen Touareg 7L Radiator Cooling Pipe Hose Line 3.0 TDI 059121073B

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. 2K0122051

Volkswagen Caddy Mk3 Engine Water Coolant Pipe Hose 1.9 TDI 2K0122051

Product currently unavailable

Volkswagen Transporter T5 Engine Coolant Pipe Hose Line 2.0 TDI 03L121064F

-40%

Part no. 03L121064F

Volkswagen Transporter T5 Engine Coolant Pipe Hose Line 2.0 TDI 03L121064F

Product currently unavailable

Part no. 5Q0122291AA

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

Product currently unavailable

Part no. 7L0121407

Volkswagen Touareg 2.5 TDI Expansion Coolant Tank Bootle Reservoir 7L0121407

Product currently unavailable

Part no. 7L0121207F

Volkswagen VW Touareg 7L Engine Cooling Coolant Radiator Fan Shroud 7L0121207F

Product currently unavailable

Part no. 05E122447F

VW Volkswagen Golf 8 1.5 eTSI DFYA Water Coolant Pipe Line Hose Tube 05E122447F

Product currently unavailable

Part no. 03L906088FF

Volkswagen Transporter T5 T6 Exhaust Gas Temperature Sensor 03L906088FF

Product currently unavailable

Part no. 7E0963417

Volkswagen VW Transporter T5 Auxiliary Water Pump Coolant Unit 7E0963417

Product currently unavailable

Part no. 7E0122157BH

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

Product currently unavailable

Part no. 2K0422371A

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

Product currently unavailable

Part no. 6Q0121109BC

Volkswagen VW Polo 9N 1.2 Water Hose Radiator Coolant Pipe Line 6Q0121109BC

Product currently unavailable

Part no. 5Q0122157BP

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

Product currently unavailable

Part no. 5N0122101AC

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

Product currently unavailable

Part no. 5Q0122291BG

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

Product currently unavailable

Part no. 2N0121207H-1

VW Volkswagen Crafter Mk2 Front Radiator Fan Coolant Shroud Blade 2N0121207H

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. 3Q0121064AM

VW Volkswagen Golf Cd1 Coolant Pipe Hose Tube Line 2.0 Diesel 3Q0121064AM

Product currently unavailable

Part no. 1K0121251DN

VW Volkswagen Golf Mk6 Radiator Engine Cooling Coolant Unit 1K0121251DN

Product currently unavailable

Part no. 7C0121444A

Volkswagen Crafter SY 2.0 TDI Engine Water Coolant Pipe Hose Line 7C0121444A

Product currently unavailable

Part no. 03F121111A

Audi Seat Skoda Volkswagen 1.2 Petrol Thermostat Housing 03F121111A

Product currently unavailable

Part no. 5Q0121051D

Volkswagen Golf Mk7 Audi A3 8V Water Coolant Hose Pipe 2.0 TSI 5Q0121051D

Product currently unavailable

Part no. 1K8121283A

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

Product currently unavailable

Part no. 5K0121064J

VW Scirocco Mk3 Jetta A6 Water Coolant Pipe Hose Line 2.0 TDI 5K0121064J

Product currently unavailable

Part no. 032121111N

Volkswagen Polo 6N Water Coolant Thermostat Housing 032121111N

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. 04E122447BG

Volkswagen Golf Mk7 5G Water Coolant Pipe Hose Line 1.5 TSI Petrol 04E122447BG

Product currently unavailable

Part no. 5Q0121101H

Volkswagen Golf R Mk7 Audi A3 8V Water Coolant Pipe Hose Line 2.0 TSI 5Q0121101H

Product currently unavailable

Part no. 03H121117A

VW Passat CC Touareg 7L Thermostat Housing Coolant Pump Regulator 03H121117A

Product currently unavailable

Part no. 2N0965567B

VW Crafter SY Additional Water Pump Engine Coolant Unit 2.0 TDI 2N0965567B

Product currently unavailable

Part no. 7N0819374B

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

Product currently unavailable

Part no. 5Q0122051AF-1

Volkswagen Golf R Mk7 Coolant Pipe Hose Line 2.0 TSI 5Q0122051AF

Product currently unavailable

Part no. 045115389E

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

Product currently unavailable

Part no. MB3B-8K120-BA

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

Product currently unavailable

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

-5%

Part no. 5Q0121156C

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

Product currently unavailable

Part no. 1K8121284A

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

Product currently unavailable

Part no. 5Q0121207BD

VW Volkswagen Golf Mk7 5G Radiator Fan Engine Water Motor Cooling 5Q0121203AP

Product currently unavailable

Part no. 7P0820409

Volkswagen Touareg 7P Additional Water Cooolant Pump Unit 3.0 TDI 7P0965561B

Product currently unavailable

Part no. 1K0203491A

VW Caddy 2K Golf Mk5 Audi A3 8P Fuel Cooler Radiator 1.9 2.0 TDI 1K0203491A

Product currently unavailable

Part no. 5Q0121203DQ

Volkswagen Golf Sportsvan Radiator Fan Cooling Blower Motor Unit 5Q0121203DQ

Product currently unavailable

Part no. 04L121111A-1

Volkswagen Audi Seat Skoda Coolant Thermostat Housing Pipe 2.0 TDI 04L121111A

Product currently unavailable

Part no. 6Q0122447CE

Skoda Fabia Mk1 6Y Water Hose Radiator Coolant Pipe Line 1.9 Diesel 6Q0122447CE

Product currently unavailable

Part no. 5QF122073AF

Audi Q3 F3 Engine Coolant Hose Line Tube 2.0 TDI 5QF122073AF

Product currently unavailable

Part no. 2E0819895BB

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

Product currently unavailable

Part no. 5Q0121093CF

Volkswagen Passat B8 Radiator Coolant Auxiliary Pump Bracket 5Q0121093CF

Product currently unavailable

Part no. 03C103925J

Volkswagen Golf 1K Jetta 1K Tiguan 5N Engine Cover VW TSI Lettering 03C103925J

Product currently unavailable

Part no. 1K0122101JR-1

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

Product currently unavailable

Part no. 1C0122051G

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

Product currently unavailable

Part no. 1K0121156BP

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

Product currently unavailable

Part no. 1J0906444

VW Volkswagen Caddy SB Engine Radiator Cooling Fan 2.0 Diesel UC101URL0A07

Product currently unavailable

Part no. 5Q0122058Q-2

VW Golf Mk7 Skoda Octavia Mk3 Water Hose Cooling Coolant Pipe Line 5Q0122058Q

Product currently unavailable

Part no. 06A121492F

VW Volkswagen Golf Gti 1j Coolant Pipe Hose Tube Line 1.8T Petrol 06A121492F

Product currently unavailable

Part no. 5N0121065-1

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

Product currently unavailable

Part no. 074121132

Volkswagen LT35 2.5 TDI Diesel Coolant Water Flange Temp Sensor 074121132

Product currently unavailable

Part no. 3Q0122051CC

Volkswagen Caddy SB Engine Coolant Radiator Coolant Pipe Hose Line 3Q0122051CC

Product currently unavailable

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

-2%

Part no. 022121117C-1

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

Product currently unavailable

Part no. 04E145641M

Volkswagen Golf CD1 Connect Pipe Hose Line 04E145641M

Product currently unavailable

Part no. 1K0122157B

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

Product currently unavailable

Volkswagen VW Tiguan 5N Water Hose Coolant Cooling Tube Pipe Line 7N0122073T

-5%

Part no. 7N0122073T

Volkswagen VW Tiguan 5N Water Hose Coolant Cooling Tube Pipe Line 7N0122073T

Product currently unavailable

Part no. 5Q0121049CL

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

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. 7N0121051D

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

Product currently unavailable

Part no. 03L121111S

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

Product currently unavailable

Part no. 070121131E

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

Product currently unavailable

Part no. 1K0203491D

Volkswagen Golf 1K Diesel Fuel Radiator Cooler 1K0203491D

Product currently unavailable

Part no. 1T0121156AQ

VW Volkswagen Touran Water Cooling Hoses Coolant Pipes Lines 1T0121156AQ

Product currently unavailable

Part no. 1K0122109T

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

Product currently unavailable

Part no. 7H0965561

Volkswagen Transporter T5 Amarok 2H Auxiliary Water Pump 7H0965561

Product currently unavailable

Part no. 7H0422371A-1

Volkswagen Transporter T5 Power Steering Fluid Expansion Tank 7H0422371A

Product currently unavailable

Part no. 2K0122101C

Volkswagen Caddy 2K Radiator Coolant Water Pipe Hose 2K0122101C

Product currently unavailable

Part no. 5Q0122157AK-1

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

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. 7H0819308A

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

Product currently unavailable

Part no. 1K0122051HA

VW Volkswagen Golf 5 6 1.6 2.0 TDI Water Hose Coolant Pipe Line 1K0122051HA

Product currently unavailable

Part no. 1K0121156DG

Volkswagen VW Golf Mk6 Water Hose Coolant Pipe Line 1.4 TSI 1K0121156DG

Product currently unavailable

Part no. 03L121131P

VW Crafter 2.0 Tdi CKTB Water Flange Coolant Temperature Sensor 03L121131P

Product currently unavailable

Part no. 7H0121065C

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

Product currently unavailable

Part no. 2D0121201M

VW Volkswagen LT 35 Fan Frame Engine Cooling Fan Shroud Housing 2D0121201M

Product currently unavailable

Part no. 7H0819318A

Volkswagen Transporter T5 Webasto Heater Water Coolant Hose 7H0819318A

Product currently unavailable

...

Showing 496-594 of 660 products