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

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

Product currently unavailable

Part no. 1K0122101HB

Volkswagen Golf Mk6 Water Hose Coolant Radiator Pipe Line 2.0 TSI 1K0122101HB

Product currently unavailable

Part no. 2E0422371-1

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

Product currently unavailable

Part no. 6N0819371E

VW Volkswagen Polo 6N Water Pipe Hose Coolant Cooling 6N0819371E

Product currently unavailable

Part no. 1K0122109BE

VW Passat B6 Audi A3 8P Water Hose Radiator Coolant Pipe Line 1K0122109BE

Product currently unavailable

Part no. 1K0121207BC-1

VW Volkswagen Golf 5 2.0 TDI Engine Radiator Big Fan Only Diesel 1K0121207BC

Product currently unavailable

Part no. 03L121301

Volkswagen VW Crafter Radiator Cooling Fan Shroud 03L121301

Product currently unavailable

Part no. 7E0121253C

Volkswagen VW Transporter T6 Radiator Engine Cooling Coolant Unit 7E0121253C

Product currently unavailable

Part no. 1K8121284A

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

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. 03C121469C

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

Product currently unavailable

Part no. 7E0122051M

Volkswagen Transporter T5 T6 Water Coolant Pipe Hose Tube 2.0 TDI 7E0122051M

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. 1K0121157BP-1

VW Golf Mk5 Skoda Octavia 1Z Audi A3 8P Coolant Hose Pipe Tube Line 1K0121157BP

Product currently unavailable

Part no. 1C0121253A

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

Product currently unavailable

Part no. 070121063A

Volkswagen Touareg Transporter 2.5 TDI Water Coolant Pipe Hose 070121063A

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. 6Q0122101AP

Skoda Fabia Mk1 6Y Water Hose Cooling Coolant Pipe Line 1.9 Diesel 6Q0122101AP

Product currently unavailable

Part no. 3Q0121064AM

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

Product currently unavailable

Part no. 03F919501B

Volkswagen Golf SV Jetta 16 Coolant Temperature Sender 1.5 TSI 03F919501B

Product currently unavailable

Part no. 2D0121403K

Volkswagen LT 35 Coolant Expansion Tank Coolant Overflow Reservoir 2D0121403K

Product currently unavailable

Part no. 2N0122073H

Volkswagen Crafter Mk2 Water Coolant Pipe Hose Line 2.0 TDi Diesel 2N0122073H

Product currently unavailable

Part no. 5K0122051AA

VW Volkswagen Caddy Maxi 2K Engine Cooling Hose Tube Pipe Line 5K0122051AA

Product currently unavailable

Part no. 5Q0121070AP-2

Volkswagen Golf R Mk7 Audi S3 8V Coolant Pipe Hose Line 2.0 TFSI 5Q0121070AP

Product currently unavailable

Part no. 7LA121086D

Volkswagen Transporter T6 Water Coolant Pipe Hose Line 2.0 TDI 7LA121086D

Product currently unavailable

Part no. 7P6122101N

Volkswagen Touareg 7p R Engine Coolant Hose Tube Line 3.0 Diesel CVVA 7P6122101N

Product currently unavailable

Part no. 03N121070K

VW Volkswagen Tiguan AD1 Water Coolant Hose Pipe Line 2.0 TDI 03N121070K

Product currently unavailable

Part no. 5Q0122051EG-1

Volkswagen Golf R Mk7 Audi S3 8V Coolant Pipe Hose Line 2.0 TFSI DJH 5Q0122051EG

Product currently unavailable

Part no. 7LA121096S

VW Volkswagen Transporter T6 Water Coolant Hose Pipe Line 2.0 TDI 7LA121096S

Product currently unavailable

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

-2%

Part no. 6Q0122447CE

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

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. 5Q0122291AA

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

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. 5K0121064J

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

Product currently unavailable

Part no. 2K0121157H

Volkswagen Caddy 2K Engine Coolant Hose Tube Line Pipe 2.0 Diesel 2K0121157H

Product currently unavailable

Part no. 04L121065CP

Volkswagen Caddy Maxi 2k Engine Cooling System Water Pipe Hose Line 04L121065CP

Product currently unavailable

Part no. 2E0819895BB

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

Product currently unavailable

Part no. 7C0121444A

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

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. 5Q0122101CJ

Volkswagen Golf R Mk7 Coolant Hose Tube Quick Coupling 2.0 TFSI 5Q0122101CJ

Product currently unavailable

Part no. 7LA965567B

VW Volkswagen Transporter T6 Auxiliary Water Pump Unit 2.0 Diesel 7LA965567B

Product currently unavailable

Skoda Fabia Mk1 6Y Water Hose Radiator Coolant Pipe Line 1.9 Diesel 6Q0121109BF

-2%

Part no. 6Q0121109BF

Skoda Fabia Mk1 6Y Water Hose Radiator Coolant Pipe Line 1.9 Diesel 6Q0121109BF

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. 022121117C-1

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

Product currently unavailable

Part no. 1K0122109CM

Volkswagen Golf Mk6 Scirocco Mk3 Water Coolant Pipe Hose 1.6 TDI 1K0122109CM

Product currently unavailable

Part no. 1K0122157B

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

Product currently unavailable

Part no. 1K0122109BK

Volkswagen Golf Mk6 Audi A3 8P Coolant Pipe Hose 1.6 TDI 1K0122109BK

Product currently unavailable

Part no. 2N0965567B

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

Product currently unavailable

Part no. 5Q0121093CF

Volkswagen Passat B8 Radiator Coolant Auxiliary Pump Bracket 5Q0121093CF

Product currently unavailable

Part no. 7E0122073L

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

Product currently unavailable

Part no. 038906081B-1

Volkswagen Touran Audi A4 B7 A6 C6 Fuel Temperature Sensor 2.0 TDI 038906081B

Product currently unavailable

Part no. 5N0121051J

Water Hoses Volkswagen Tiguan 5N 1.6 TDI Radiator Coolant Pipe Line 5N0121051J

Product currently unavailable

Part no. 5Q0122051AF-1

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

Product currently unavailable

Part no. 1K0121101AA

Volkswagen Caddy 2k Radiator Coolant Hose Tube Line Pipe 2.0 Diesel 1K0121101AA

Product currently unavailable

Part no. 1K0121251DT

Volkswagen VW Golf 5 Radiator Engine Cooling Coolant Unit 1K0121251DT

Product currently unavailable

Part no. 1C0121207C-1

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

Product currently unavailable

Part no. 045121065R

VW Polo MK4 9N 1.4 TDI BMS Water Hose Coolant Cooling Pipe Line 045121065R

Product currently unavailable

Part no. 03C121050G

Audi A3 8P Volkswagen Golf Mk 7 Heater Water Cooling Pipe Hose Line 03C121050G

Product currently unavailable

Part no. 2E0121096

VW Volkswagen Crafter 2E 2.0 Diesel Water Coolant Pipe Line Tube Hose 2E0121096

Product currently unavailable

Part no. 3C0121156BD

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

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. 1K0121070CE

VW Volkswagen Golf 5 6 1.6 2.0 TDI Water Hose Coolant Pipe Line 1K0121070CE

Product currently unavailable

Part no. 06K121051P

Volkswagen Scirocco Mk3 Audi A3 8P Coolant Pipe Hose Line Tube 06K121051P

Product currently unavailable

Part no. 1K0965561J-1

VW Golf MK6 Audi A3 8P Auxiliary Water Pump Coolant Unit Cooling 1K0965561J

Product currently unavailable

Part no. 6R0121109K

Seat Ibiza 6j Mk4 Radiator Coolant Water Hose Pipe Line 1.4 TSI 6R0121109K

Product currently unavailable

Part no. 5QF122073AF

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

Product currently unavailable

Part no. 3Q0122051CC

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

Product currently unavailable

Part no. 05E121111R

Volkswagen Golf SV Audi A3 8Y Coolant Water Pump 1.5 TSI 05E121111R

Product currently unavailable

Part no. 03L906088FF

Volkswagen Transporter T5 T6 Exhaust Gas Temperature Sensor 03L906088FF

Product currently unavailable

Part no. 7N0122101G

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

Product currently unavailable

Part no. 03L906088BN

Volkswagen Transporter T5 T6 Exhaust Gas Temperature Sensor TDI 03L906088BN

Product currently unavailable

Part no. 7N0122073AB

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

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. N90693001

Volkswagen Passat B6 Engine Coolant System T-Piece Line Hose Tube Pipe N90693001

Product currently unavailable

Part no. 6R0121063A

VW Volkswagen Polo 6R 5 Water Hose Radiator Coolant Cooling Pipe Line 6R0121063A

Product currently unavailable

Part no. 1K0121049CG-1

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

Product currently unavailable

Part no. 04L121011L

Volkswagen Tiguan Ad1 5N Coolant Water Pump 2.0 TDI Diesel CUAA 04L121011L

Product currently unavailable

Part no. 5QF122157AJ

Audi Q3 F3 Engine Coolant Hose Line Tube 2.0 TDI 5QF122157AJ

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. 1K0203491D

Volkswagen Golf 1K Diesel Fuel Radiator Cooler 1K0203491D

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. 5K0121064A

Volkswagen Passat B7 CC Water Coolant Pipe Hose 2.0 TDI CFGC 5K0121064A

Product currently unavailable

Part no. 03C121008E

Volkswagen VW Golf Mk5 Water Pump Coolant Unit Cooling 1.4 TSI Petrol 03C121008E

Product currently unavailable

Part no. 1K0122109T

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

Product currently unavailable

Part no. 7E0121086Q

Volkswagen Transporter T5 T6 Engine Coolant Hose Cooling Water Pipe 7E0121086Q

Product currently unavailable

Part no. 1K0121058BH

Volkswagen Touran 1T Oil Cooler Coolant Pipe Hose Tube 1.4 Petrol 1K0121058BH

Product currently unavailable

Part no. 1K0121203AN

Volkswagen Golf Mk6 Caddy 2C Radiator Cooling Fan 1.6 TDI Diesel 1K0121203AN

Product currently unavailable

Part no. 7H0815801

Volkswagen Transporter T5 Water Coolant Pipe Hose 2.5 TDI 7H0815801

Product currently unavailable

Part no. 03H121096B

VW Volkswagen Passat CC Cooling System Coolant Hose Pipe Line 3.6 FSI 03H121096B

Product currently unavailable

Part no. 3C0121070AC

VW Passat CC Engine Water Coolant Cooling Hose Pipe 3.6 FSI Petrol 3C0121070AC

Product currently unavailable

Part no. 7E0122051E-2

VW Volkswagen Transporter T5 Radiator Coolant Hose Water Pipe Line 7E0122051E

Product currently unavailable

Part no. 3Q0121407A

Volkswagen Tiguan AD1 Coolant Expansion Tank Bottle Reservoir 2.0 TDI 3Q0121407A

Product currently unavailable

Part no. 04L121111A-1

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

Product currently unavailable

Part no. 1K0121051T

Volkswagen Eos Audi A3 8P Coolant Water Pipe Hose Line Tube 1K0122051AP

Product currently unavailable

Part no. 5K0122157K

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

Product currently unavailable

Part no. 7N0121064L

VW Volkswagen Sharan 7N Breather Pipe Hose Line 2.0 TDI 7N0121064L

Product currently unavailable

Part no. 7H0819320A

Volkswagen Transporter T5 Cooling Water Hose Coolant Pipe 2.5 TDI 7H0819320A

Product currently unavailable

Part no. 03N122157E

VW Volkswagen Tiguan AD1 Water Coolant Pipe Hose Line 2.0 TDI Diesel 03N122157E

Product currently unavailable

Part no. 7H0121065C

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

Product currently unavailable

...

Showing 397-495 of 774 products