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.

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

€85.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6R0122101P

Volkswagen 6R Coolant Water Hose Pipe Line Radiator Cooler 6R0122101P

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1K8121284A

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1K0203491A

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

€75.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03G121132B

Volkswagen VW Caddy Coolant Flange Water Pump Thermostat 03G121132B

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06Q145735D

Audi A3 8Y VW Golf Mk8 2.0 TSI Turbocharger Oil Cooler Pipe Hose Line 06Q145735D

€51.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03C121065F

Volkswagen VW Touran 1T Petrol Engine Coolant Pipe Hose Vent 03C121065F

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03C103925J

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

€51.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5N0121070F

Volkswagen Tiguan 5N Water Coolant Cooling Pipe Line 2.0 TDi Diesel 5N0121070F

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06L121111P

VW Golf Mk8 Audi S3 8V 2.0 TFSI DJHA Water Pump Coolant Regulator 06L121111P

€132.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03G906262B

Volkswagen VW Passat B6 Exhaust Gas Temperature Sensor Wiring 03G906262B

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6Q0121109BF

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

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L131850A

Volkswagen Passat B8 Water Cooling Coolant Pipe Pipe Hose 2.0 TDI 04L131850A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1J0906444

VW Volkswagen Caddy SB Engine Radiator Cooling Fan 2.0 Diesel UC101URL0A07

€146.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1K0965561J-1

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06H121010L

Audi A4 B8 A5 8T VW Scirocco Mk3 Engine Water Pump 2.0 TFSI Petrol 06H121010L

€142.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03L121011J-1

Volkswagen Transporter T5 2.0 TDi Engine CAAA Water Pump 03L121011J

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5QF122157AJ

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7LA121086D

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

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06Q121085B

VW Golf Mk8 Skoda Octavia Mk4 Audi S3 8Y 2.0 TSI Water Coolant Hose 06Q121085B

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 3Q0122051CC

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

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7LA121096S

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

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06J121075B

Audi A3 8P VW Scirocco Mk3 Coolant Hose Water Pipe Line Tube Petrol 06J121075B

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7E0122051E-2

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03G906088K

Volkswagen VW Passat B6 Exhaust Gas Temperature Sensor Wiring 03G906088K

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1K0121051T

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06F121133H

Volkswagen Golf Mk5 Audi TT 8J Water Thermostat Housing 2.0 TFSI 06F121133H

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 2E0121096

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03C121121B

Volkswagen Polo 6R Coolant Thermostat Housing Cover 03C121121B

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03D121005

Mechanical Water Pump Volkswagen Polo 6R Engine Coolant Unit Pump 03D121005

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 2E0122096E

Volkswagen Crafter Coolant Hoses Water Cooling Pipe 2E0122096E

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7N0121064L

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

€32.95

Free delivery: Aug 7 – 11

If paid before 14:00

Part no. 5WA122073H

Coolant Hose Volkswagen Golf CD1 Polo 1.0 TSI Water Tube Line Pipe 5WA122073H

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1K0122109CF

Water Coolant Pipe Volkswagen Audi Skoda Seat 1.6 TDI Cooling LIne 1K0122109CF

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06K121085A

Volkswagen Golf R Mk7 Coolant Water Pipe Hose 2.0 TFSI 06K121085A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 3AA122101F

Volkswagen Passat B7 Radiator Upper Coolant Hose Pipe 2.0 TDI 3AA122101F

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5N0121051J

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

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7H0815801

Volkswagen Transporter T5 Water Coolant Pipe Hose 2.5 TDI 7H0815801

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03C121121C

VW Polo 6R 1.2 CGPB Water Pump Thermostat Cover Housing 03C121121C

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06F145317H

VW Volkswagen Golf 5 2.0 TFSI BWA Coolant Pipe Hose Bracket Mount 06F145317H

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03P121157A

Volkswagen Polo 5 Seat Ibiza 6J Coolant Radiator Hose 1.2 TDI CFWA 03P121157A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7H0422371A-1

Volkswagen Transporter T5 Power Steering Fluid Expansion Tank 7H0422371A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03C121019J

Volkswagen Golf Mk6 Audi A1 8X 1.4 Petrol Engine Water Pump 03C121019J

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 2K0122101C

Volkswagen Caddy 2K Radiator Coolant Water Pipe Hose 2K0122101C

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1K0122101KP

Volkswagen Golf 1K Water Hose Cooling Coolant Radiator Pipe Line 1K0122101KP

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 05E121497A

Volkswagen Golf CD1 Coolant Pipe Turbocharger Flow Line Hose Pipe 05E121497A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03C121111B

Volkswagen Polo Mk5 6R Water Coolant Thermostat Housing 03C121111B

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6R0121058D

VW Polo 5 Seat Ibiza 4 Skoda 1.2 TDI CFWA Coolant Radiator Hose 6R0121058D

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7H0819320A

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5Q0122157AK-1

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5K0121064J-1

VW Caddy 2k Passat A3 Water Coolant Pipe Hose Tube Line 2.0 TDI 5K0121064J

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5Q0965561B-1

Volkswagen Golf Mk7 Audi A3 8V Auxiliary Water Pump 2.0 TDI TFSI 5Q0965561B

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03C121065B

Water Hose Volkswagen Golf 6 Audi A1 A3 8P Petrol Coolant Pipe 03C121065B

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5Q0121063Q

Volkswagen Golf CD1 Water Pipe Hose Coolant Cooling Line 5Q0121063Q

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1K0121156DG

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

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03C103493AG

VW Volkswagen Golf Mk6 Audi A3 8P Coolant Pipe Hose Genuine 03C103493AG

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7H0819318A

Volkswagen Transporter T5 Webasto Heater Water Coolant Hose 7H0819318A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 2K5122157D

Volkswagen Caddy 2K Engine Cooling Coolant Water Pipe 2.0 TDI 2K5122157D

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7H0122058C

Volkswagen Transporter Camper T5 Coolant Water Hose Pipe Line 7H0122058C

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1K0122101HR

Volkswagen Golf Mk6 Water Hose Coolant Radiator Pipe Line 1.4 TSI 1K0122101HR

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5N0122447AE

Volkswagen Tiguan 5N Mk1 Water Coolant Pipe 2.0 TDI 5N0122447AE

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 05E121070

VW Volkswagen Golf 8 1.5 eTSI DFYA Water Coolant Pipe Hose Line Tube 05E121070

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 038121031F

Mechanical Water Pump Volkswagen Golf V Diesel Engine Coolant Unit 038121031F

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5Q0122291CT

Volkswagen Golf Mk7 R Engine Water Radiator Pipe 2.0 TSI 5Q0122291CT

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7E0121407D

VW Transporter T6 Coolant Liquid Overflow Tank Reservoir 2.0 Diesel 7E0121407D

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5N0971349BQ

Volkswagen Sharan 7N Alternator Generator Wiring Harness Cable 5N0971349BQ

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06K121051M

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1T0122073BC

VW Volkswagen Caddy 2K Water Coolant Cooling Hose Pipe Diesel Engine 1T0122073BC

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1K0121058BS

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03F121065A

Volkswagen VW Polo 6R Engine Water Coolant Pipe Hose 1.2 TSI 03F121065A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1K0121101CP

Volkswagen Golf 1K 1.6 TDI Water Hose Cooling Coolant Pipe Line 1K0121101CP

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 2E0122101F-1

Volkswagen Crafter 2E Mercedes Sprinter W906 Coolant Hose Pipe Line 2E0122101F

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5Q0121447G

Audi A3 8V VW Golf Mk7 Engine Coolant Pipe Water Hose Line 5Q012144

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03L906088HC

VW Crafter 35 Temperature Sensor Exhaust Gas Sensor Probe 2.0 TDI 03L906088HC

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03L906088HB

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03G121065H

Volkswagen Golf MK5 Audi A3 8P Seat Skoda Diesel Engine Coolant Pipe 503G121065H

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1K0121101CP-1

Volkswagen Golf Mk6 1.6 TDI Water Hose Cooling Coolant Pipe Line 1K0121101CP

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5K0122051N

Volkswagen Beetle Scirocco III 2.0 TDI Water Radiator Pipe Hose Line 5K0122051N

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5Q0907543A

Volkswagen VW Golf Mk8 Interior Temperature Sensor Unit 5Q0907543A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7H0121407C

VW Transporter T5 Coolant Cooling Water Expansion Tank Bottle 7H0121407C

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1K0122109-1

VW Scirocco Mk3 Audi A3 8P Water Coolant Hose Pipe Line 2.0 TFSI 1K0122109CM

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 059121075FE

Audi A7 4G Water Coolant Cooling Hose Pipe 3.0 TDI Diesel Engine 059121075FE

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L121101

Volkswagen Passat B8 Coolant Water Hose Pipe 2.0 TDI 04L121101

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6R0122109G

Coolant Hose VW Polo 6R Seat Ibiza 6J 1.2 TSI Petrol CBZB Water Line 6R0122109G

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L121049H

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

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1J0122051H

VW Volkswagen Golf Mk3 Radiator Coolant Hose Pipe Line Tube 1J0122051H

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5N0122101BB

VW Volkswagen Tiguan Mk1 2.0 TDI Water Coolant Pipe Hose 5N0122101BB

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7E0121101B-1

Volkswagen Transporter T5 Coolant Hoses Water Cooling Pipe 2.0 TDI 7E0121101B

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L121131AB-1

VW Tiguan 5N Coolant Water Flange Housing Connector 2.0 TDI 04L121131AB

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03L201360G

Volkswagen Tiguan 5N Fuel Injection Line Pressure Pipe Rail Injector 03L201360G

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03C121050G

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 3C0121087A

Volkswagen Passat B7 Radiator Coolant Hose Pipe 2.0 TDI 3C0121087A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6R0122101DD-1

Coolant Hose VW Polo 6R Seat Ibiza 6J 1.2 TSI CBZB Radiator Line 6R0122101DD

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1K0907543G

Volkswagen Tiguan 5N Temparature Sensor Interior Temperature Sensor 1K0907543G

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7N0122051F

Volkswagen Sharan 7N Water Pipes Hoses Coolant Cooling Line 7N0122051F

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 3Q0121156D

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

€89.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03D121026F

VW Volkswagen Fox 5Z 1.2 CHFB Petrol Water Pipe Thermostat Housing 03D121026F

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1K0820897A

VW Volkswagen Scirocco Mk3 Heat Shield Air Con Condenser Radiator 1K0820897A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1K0122447GF

Volkswagen Passat B7 Coolant Pipe Hose Line 2.0 TDI 1K0122447GF

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Showing 199-297 of 533 products