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 New Beetle Alternator Generator Wiring Harness Cable 5C0971230J

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 7L0121253A

Volkswagen Touareg 7L Water Cooling Coolant Radiator 7L0121253A

PLN 189.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 7P6122447AL

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

PLN 142.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 2HJ121051K

VW Volkswagen Amarok NF Coolant Cooling Pipe Hose Line Diesel Engine 2HJ121051K

PLN 113.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5N0121051J

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

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 7E0121407D

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

PLN 113.95

Free delivery: Aug 03

If paid before 14:00

Part no. 7L6121109D

VW Volkswagen Touareg 7L Water Pipe Hose Coolant Cooling Line 7L6121109D

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 03F121004E

Water Pump Volkswagen Polo 6R Audi A3 8P 1.2 Petrol Engine Coolant 03F121004E

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 03C121111P

Volkswagen Touran 1T Water Coolant Thermostat Housing 03C121111P

PLN 47.95

Delivery: Aug 03

If paid before 14:00

Part no. 1K0121251N-1

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

PLN 99.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 1K0121156CQ

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

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 2E0121447C

VW Crafter 2E 35 Mercedes Sprinter W906 Coolant Hose Pipe Line 2E0121447C

PLN 80.95

Free delivery: Aug 03

If paid before 14:00

Part no. 6R0122101N

Volkswagen Polo 6R 1.2 Petrol Coolant Water Hose Pipe Line Radiator 6R0122101N

PLN 75.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5C0965567

VW Scirocco Mk3 Audi A1 8X Auxiliary Water Pump 1.4 Petrol 5C0965567

PLN 75.95

Free delivery: Aug 03

If paid before 14:00

Part no. 6Q0122051BP

Volkswagen VW Polo 9N 1.2 Water Hose Radiator Coolant Pipe Line 6Q0122051BP

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 03C121121B

Volkswagen Polo 6R Coolant Thermostat Housing Cover 03C121121B

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 7H0122058C

Volkswagen Transporter Camper T5 Coolant Water Hose Pipe Line 7H0122058C

PLN 89.95

Free delivery: Aug 03

If paid before 14:00

Part no. 1K0121070CM

Volkswagen Golf Mk6 Scirocco Mk3 Audi A3 8P Water Coolant Pipe 1K0121070CM

PLN 104.95

Free delivery: Aug 03

If paid before 14:00

Part no. 03C121050E

Audi A3 8P Volkswagen Golf Mk5 Heater Water Cooling Pipe Hose Line 03C121050E

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 03L121064F

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

PLN 189.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5K0122051N

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

PLN 123.95

Free delivery: Aug 03

If paid before 14:00

Part no. 7E0965551

VW Volkswagen Transporter T5 Coolant Water Pump Bracket Mount Holder 7E0965551

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 06F121133H

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

PLN 51.95

Delivery: Aug 03

If paid before 14:00

Part no. 7H2820101A

VW Volkswagen Transporter T5 Heater Matrix Radiator A/C 2.5 TDi 7H2820101A

PLN 146.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5Q0122051AN

Volkswagen Golf Mk7 Audi A3 8V Coolant Hose Pipe 2.0 TSI TFSI 5Q0122051AN

PLN 132.95

Free delivery: Aug 03

If paid before 14:00

Part no. 04B121064

Volkswagen VW Polo 6C Water Coolant Pipe Hose Line 1.4 TDI Diesel 04B121064

PLN 189.95

Free delivery: Aug 03

If paid before 14:00

Part no. 1K0907543G

Volkswagen Tiguan 5N Temparature Sensor Interior Temperature Sensor 1K0907543G

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 1K0121058P

Audi A6 C6 Oil Cooler Hose Pipe Line Tube 2.0 TDI Diesel Engine 1K0121058P

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5Q0816411AR

VW Volkswagen Golf MK7 Radiator Engine Cooling Coolant Water Unit 5Q0816411AR

PLN 332.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 5WA121049J

Volkswagen Caddy SB Water Coolant Hose Pipe Line 5WA121049J

PLN 317.95

Free delivery: Aug 03

If paid before 14:00

Part no. 7C0121130C

VW Volkswagen Crafter Sy 2.0 TDi Engine Coolant Pipe Hose Tube Line 7C0121130C

PLN 118.95

Free delivery: Aug 03

If paid before 14:00

Part no. 1K0122101HR

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

PLN 142.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5Q0121070AG

VW Scirocco Mk3 Golf 5g Jetta A6 Water Coolant Pipe Hose Line Tube 5Q0121070AG

PLN 123.95

Free delivery: Aug 03

If paid before 14:00

Part no. 3C0121058AR

VW Golf Mk6 Audi A3 8P Water Coolant Hose Pipe Line 2.0 TDI Diesel 3C0121058AR

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 1K0122101KP

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

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 03C121065B

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

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. MB3G-7F120-PL

VW Volkswagen Amarok NF Gearbox Oil Cooler Hose Tube Pipe Line MB3G7F120PL

PLN 949.95

Free delivery: Aug 03

If paid before 14:00

Part no. 03C121004J-1

Volkswagen VW Scirocco Mk3 Water Pump Coolant Unit 1.4 TSI Petrol 03C121004J

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 1K0121070F

VW Volkswagen Touran 2.0 TDI BKD Water Hose Coolant Pipe Line 1K0121070F

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 03G121113

VW Volkswagen Golf Mk6 5K Coolant Thermostat 2.0 1.6 TDI Diesel Engine 03G121113

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 1K0121058BS

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

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 7H0121157P

Volkswagen Transporter T5 1.9 TDI Water Coolant Pipe Hose Line 7H0121157P

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5WA121109D

Volkswagen Polo Mk6 AW Water Reservoir Coolant Pipe Hose Line 5WA121109D

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 7H0422371A-1

Volkswagen Transporter T5 Power Steering Fluid Expansion Tank 7H0422371A

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 5N0121070G

Volkswagen Tiguan 1 5N 2,0 TDi Diesel Coolant Pipe Water Line 5N0121070G

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 5Q0122051EN-1

VW Golf Sportsvan Seat Leon Mk3 5F Water Coolant Pipe Hose 1.5 TSI 5Q0122051EN

PLN 161.95

Free delivery: Aug 03

If paid before 14:00

Part no. 1K0122051HK-2

VW Volkswagen Scirocco Mk3 Water Coolant Hose Pipe Diesel Engine 1K0122051HK

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 06F122101A-1

VW Volkswagen Golf Mk6 VI Coolant Water Pipe Hose Line 06F122101A

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 04L121058H

Audi TT FV Q3 8U Water Hose Cooling Coolant Pipe Line 2.0 TDI Diesel 04L121058H

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 06F145317H

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

PLN 66.95

Free delivery: Aug 03

If paid before 14:00

Part no. 1K0122051HK

VW Volkswagen Golf 5 6 1.6 2.0 TDI Water Hose Coolant Pipe Line 1K0122051HK

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 6R0121109K

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

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 7H0121447D

Volkswagen Transporter T5 Coolant Radiator Hose Pipe Line 2.5 TDI 7H0121447D

PLN 70.95

Free delivery: Aug 03

If paid before 14:00

Part no. 2E0122096J

Volkswagen Crafter 2E Mercedes Sprinter W906 Water Pipe Hose Line 2E0122096J

PLN 51.95

Delivery: Aug 03

If paid before 14:00

Part no. 5Q0122073AN

Volkswagen Golf Mk7 Water Coolant Pipe Hose Line 1.4 TSI 5Q0122073AN

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 5Q0121049R

VW Golf 5G Mk7 Audi A3 8V Water Pipe Hose Line Coolant 1.2 TSI 5Q0121049R

PLN 218.95

Free delivery: Aug 03

If paid before 14:00

Part no. 03C121065F

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

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 06L121111P

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

PLN 569.95

Free delivery: Aug 03

If paid before 14:00

Part no. 1K0122157JH

Coolant Hose Audi A3 8P VW Golf 6 1.6 TDI Diesel Water Pipe Line 1K0122157JH

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 038121031F

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

PLN 66.95

Free delivery: Aug 03

If paid before 14:00

Part no. 1K0959455ET-1

Volkswagen Caddy 2K Cooling Radiator Fan Shroud Right O/S 2.0 TDI 1K0959455ET

PLN 51.95

Delivery: Aug 03

If paid before 14:00

Part no. 5N0122447AE

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

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 1K0122101JQ-1

VW Volkswagen Touran 1T Audi A3 8P Coolant Water Hose Pipe Tube Line 1K0122101JQ

PLN 151.95

Free delivery: Aug 03

If paid before 14:00

Part no. 2K0122101C

Volkswagen Caddy 2K Radiator Coolant Water Pipe Hose 2K0122101C

PLN 208.95

Free delivery: Aug 03

If paid before 14:00

Part no. 2H0121805-1

Volkswagen Crafter 2E Engine Cooling Vacuum Valve Heating Pipe 2.0 TDI 2H0121805

PLN 161.95

Free delivery: Aug 03

If paid before 14:00

Part no. 6R0121070G

VW Volkswagen Polo GTI 6R 1.4 Petrol Engine Coolant Pipe Hose Line 6R0121070G

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 06F122101A

VW Volkswagen Golf Mk6 VI Coolant Water Pipe Hose Line 06F122101A

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 022121111G

Volkswagen Touareg 7L Coolant Thermostat Housing Assembly 022121111G

PLN 127.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5K0121283E

VW Volkswagen Golf Mk6 GTI Radiator Air Duct Guide Panel Left N/S 5K0121283E

PLN 104.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5Q0122291BG

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

PLN 132.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5Q0122157AK-1

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

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 5K0121064J

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

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 7H0819318A

Volkswagen Transporter T5 Webasto Heater Water Coolant Hose 7H0819318A

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 06K121085M

Audi VW Seat 2.0 TFSI Petrol Water Pipe Engine Coolant Hose Line 06K121085M

PLN 43.95

Delivery: Aug 03

If paid before 14:00

Part no. 1J0906444

VW Volkswagen Caddy SB Engine Radiator Cooling Fan 2.0 Diesel UC101URL0A07

PLN 569.95

Free delivery: Aug 03

If paid before 14:00

Part no. 1K0122063K-1

Seat Leon Volkswagen Golf 6 Audi A1 8X Water Coolant Pipe Hose Line 1K0122063K

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 059117021J

Volkswagen Touareg 7L Audi Q7 4L A6 C6 Engine Oil Cooler 3.0 TDI 059117021J

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 03E121065A

VW Volkswagen Polo 6R Solid Water Coolant Pipe Hose Line Tube 03E121065A

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 06H121010L

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

PLN 569.95

Free delivery: Aug 03

If paid before 14:00

Part no. 7C0805767A

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

PLN 94.95

Free delivery: Aug 03

If paid before 14:00

Part no. 3C0122157DR

Volkswagen Passat CC Water Coolant Hose Pipe 3C0122157DR

PLN 127.95

Free delivery: Aug 03

If paid before 14:00

Part no. 1K0122157H

Volkswagen VW Golf Mk5 Radiator Water Coolant Pipe Hose Line 1K0122157H

PLN 142.95

Free delivery: Aug 03

If paid before 14:00

Part no. 3AA122109B

Volkswagen Passat B7 Water Coolant Cooling Pipe Hose Line Diesel 3AA122109B

PLN 123.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5Q0121063Q

Volkswagen Golf CD1 Water Pipe Hose Coolant Cooling Line 5Q0121063Q

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 06E121018D

Volkswagen Touareg 7L 3.0 TDI Engine Coolant Water Pump Unit 06E121005

PLN 75.95

Free delivery: Aug 03

If paid before 14:00

Part no. 04L121026Q

Audi TT FV A3 8V Water Pump Thermostat Housing Pipe Connector 04L121026Q

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 1K0121253BB

Seat Leon 1P Radiator Engine Cooling Coolant Water Unit Petrol 1K0121253BB

PLN 189.95

Free delivery: Aug 3 – 4

If paid before 14:00

Part no. 7P0121065M-1

Volkswagen Touareg 7P Oil Cooler Cooling Tube Pipe Hose Line 3.0 TDI 7P0121065M

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 2HJ121052E

VW Volkswagen Amarok NF Coolant Cooling Pipe Hose Line Diesel Engine 2HJ121052E

PLN 208.95

Free delivery: Aug 03

If paid before 14:00

Part no. 7H0121407C

VW Transporter T5 Coolant Cooling Water Expansion Tank Bottle 7H0121407C

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 06F121111F

VW Volkswagen Golf 5 2.0 TFSI BWA Coolant Thermostat Housing 06F121111F

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 1K0121157BP

VW Volkswagen Eos 1f Golf 1K Jetta 1K Coolant Hose Pipe Tube Line 1K0121157BP

PLN 46.95

Delivery: Aug 03

If paid before 14:00

Part no. 2E0122447H

Volkswagen Crafter 2E Water Coolant Pipe Hose Line 2.0 TDI 2E0122447H

PLN 85.95

Free delivery: Aug 03

If paid before 14:00

Part no. 6Q0121109BF

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

PLN 123.95

Free delivery: Aug 03

If paid before 14:00

Part no. A9065010103

Volkswagen VW Crafter Coolant Expansion Tank Balancing Tank A9065010103

PLN 142.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5Q0121093CF

Volkswagen Passat B8 Radiator Coolant Auxiliary Pump Bracket 5Q0121093CF

PLN 104.95

Free delivery: Aug 03

If paid before 14:00

Part no. 5Q0965567

Volkswagen Golf CD1 Additional Water Pump Engine Coolant Unit 5Q0965567

PLN 61.95

Free delivery: Aug 03

If paid before 14:00

Part no. 03C121111B

Volkswagen Polo Mk5 6R Water Coolant Thermostat Housing 03C121111B

PLN 42.95

Delivery: Aug 03

If paid before 14:00

Part no. 7E0122051E-2

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

PLN 118.95

Free delivery: Aug 03

If paid before 14:00

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