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 Polo 6R Coolant Reservoir Expansion Tank Fluid Bottle 6Q0121407B

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 04L121064G

Volkswagen VW Golf Mk7 5G Water Hoses Radiator Coolant Pipes Lines 04L121064G

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7N0819350B

Volkswagen VW Sharan 7N Water Hose Radiator Coolant Pipe Line 2.0 TDI 7N0819350B

£66.95

Free delivery: Oct 22

If paid before 14:00

Part no. 06L133519B

Volkswagen T-Roc R Golf GTI 5G Holder AKF Valve Bracket Mount Support 06L133519B

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0122101JR-1

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

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0121070AG

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

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7P0121065AC-1

Volkswagen Touareg 7P Preheater Pipe Hose Line 3.0 TDI 7P0121065AC

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7P6122109C

Volkswagen Touareg 7P R Engine Coolant Hose Tube Line Pipe 3.0 Diesel 7P6122109C

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5WA122073H

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

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0122051AN

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

£66.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0121070CM

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

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 2N0121096BM-1

Volkswagen Crafter TR SC SZ Coolant Hose Water Pipe Line Tube 2N0121096BM

£47.95

Free delivery: Oct 22

If paid before 14:00

Part no. 2E0122096F

Volkswagen Crafter 2E Coolant Hoses Water Cooling Pipe 2.0 TDI Diesel 2E0122096F

£32.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7H0121201BC

VW Volkswagen Transporter T5 Engine Cooling Radiator Fan Shroud 7H0121201BC

£85.95

Free delivery: Oct 22

If paid before 14:00

Part no. 06H121010L

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

£113.95

Free delivery: Oct 23 – 30

If paid before 14:00

Part no. 03L115310

Volkswagen Crafter Oil Filler Pipe Hose Line 03L115310

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7P6121070AF

VW Volkswagen Touareg 7P Water Coolant Hoses Pipes Lines SET 3.0 TDI 7P6121070AF

£56.95

Free delivery: Oct 22

If paid before 14:00

Part no. 06J121075B

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

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03L121111AB

Volkswagen Crafter Water Thermostat Cooling Hoses Pipe 03L121111AB

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 04L131850A

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

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7C0121071B

Volkswagen VW Crafter SY Water Coolant Hose Pipe Line 2.0 TDI 7C0121071B

£94.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1J0906444

VW Volkswagen Caddy SB Engine Radiator Cooling Fan 2.0 Diesel UC101URL0A07

£127.95

Free delivery: Oct 23 – 30

If paid before 14:00

Part no. 5Q0122051EN-1

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

£32.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7N0965561

Volkswagen Sharan 7N Auxiliary Water Pump 7N0965561

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03C103925J

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

£32.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0965561F-1

VW Volkswagen Sharan 7N Auxiliary Water Pump Coolant Heating Valve 1K0965561F

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0122447EQ

VW Volkswagen Golf VI Mk6 2.0 TDi Coolant Water Hose Line Tube Pipe 1K0122447EQ

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 06Q145735D

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

£42.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7H0121276C

VW Transporter T5 T6 Radiator Mount Carrier Bracket Left Right N/O/S 7H0121276C

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0122109CD

Volkswagen VW Golf Mk6 Water Hose Coolant Pipe Line 1.4 TSI 1K0122109CD

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03L121011J-1

Volkswagen Transporter T5 2.0 TDi Engine CAAA Water Pump 03L121011J

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 3AA122051A

Volkswagen Passat B7 CC Water Coolant Pipe Hose 2.0 TDI CFGC 3AA122051A

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7C0121069

Volkswagen Crafter SY Water Coolant Hose Pipe Line 7C0121069

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0122063K

Seat Leon Volkswagen Golf Mk6 Audi A1 8X Water Coolant Pipe Hose Line 1K0122063K

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7H0965561

Volkswagen Transporter T5 Amarok 2H Auxiliary Water Pump 7H0965561

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7C0121487E

VW Volkswagen Crafter SY Water Hose Cooling Coolant Pipe Line 2.0 TDI 7C0121487E

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 06K121085A

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

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 06Q121085B

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

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0121049DL

Volkswagen Touran 1T Water Coolant Pipes Hoses Line 1.4 TSI 1K0121049DL

£47.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5K0122051N

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

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0122447T

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

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0122063K-1

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

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 2Q0121203L

Volkswagen Polo Mk6 Engine Coolant Radiator Fan Blade 2Q0121203L 2Q0959455L

£123.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7L6121058AB

VW Touareg 7L Auxiliary Water Pump Coolant Pipe Hose Line 3.0 TDI 7L6121058AB

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5K0121064J-1

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

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03C121111P

Volkswagen Touran 1T Water Coolant Thermostat Housing 03C121111P

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 05E121497A

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

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0122291CT

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

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03C121121B

Volkswagen Polo 6R Coolant Thermostat Housing Cover 03C121121B

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 6N0121201

Volkswagen Polo 6N Water Radiator Coolant Engine Cooler 6N0121201

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 6N0959455Q

Volkswagen VW Polo 6N V Engine Cooling Coolant Radiator Fan Shroud 6N0959455Q

£56.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03D121005

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

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1K0959455DL-1

Volkswagen Passat B6 Cooling Radiator Fan 2.0 TDI Diesel Engine 1K0121207BC

£32.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7L0815857C

VW Volkswagen Touareg 7L Water Heater Coolant Pipe Hose Line 7L0815857C

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5N0122101BB

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

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 6C0121407-1

Audi A1 8X VW Polo Mk5 Expansion Tank Water Coolant Bottle Reservoir 6C0121407

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 3C0121253AR

Volkswagen Passat B7 Cooling Radiator Coolant Unit 2.0 Diesel 3C0121253AR

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 06Q919519T

Audi A1 8X Volkswagen Polo VI Mk6 Exhaust Gas Temperature Sensor 06Q919519T

£47.95

Free delivery: Oct 22

If paid before 14:00

Part no. RHD-3D2122407A

VW Volkswagen Phaeton 3D Additional Expansion Reservoir Tank Bottle 3D2122407A

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5K0121251F

Audi A3 8P TT 8J Coolant Radiator Engine Cooling Unit Petrol Engine 5K0121251F

£47.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03L121121A

VW Volkswagen Touran 1T1 Passat 2.0 TDI BKD BMP Coolant Flange Pipe 03L121121A

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 6R0121101K

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

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7C0121096

Volkswagen Crafter SY Engine Water Coolant Hose Pipe Line Hose Tube 7C0121096

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 6R0122101G

Volkswagen Polo GTI 6R Engine Water Coolant Hoses Pipes 1.4 TSI CAVE 6R0122101G

£56.95

Free delivery: Oct 22

If paid before 14:00

Part no. 06F121492B

Volkswagen Golf GtI 1K Audi A3 8P Engine Coolant Hose Tube Line Pipe 06F121492B

£156.95

Free delivery: Oct 23 – 30

If paid before 14:00

Part no. 7H0121207

Volkswagen Transporter T5 Radiator Cooling Fan Shroud 7H0121207

£56.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5WA121109D

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

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5N0122101AC

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

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03C133514BN

VW Volkswagen Touran 1T 1.4 TSI CAVC Connecting Hose Pipe Line Tube 03C133514BN

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 06F145317H

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

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7P0121065M-1

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

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03L121049G

Volkswagen VW Crafter 2E Engine Water Coolant Pipe 2.0 TDI Diesel 03L121049G

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 06A121132R

VW Volkswagen New Beetle 1.6 BFS Water Coolant Flange 06A121133AC

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0121205

Volkswagen Golf 5G Radiator Fan Engine Cooling Cooler Blower Unit 5Q0121205

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 2E0121447C

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

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5WA121203F

Volkswagen Golf CD1 Radiator Fan Engine Cooling Motor Unit 5WA121203F

£94.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0122051BA

Volkswagen Golf Gtd 5G Audi A3 8V Water Coolant Pipe Hose Tube Line 5Q0122051BA

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 03C121065F

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

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1J0121156AT

Volkswagen Golf Mk4 Audi A3 TT Heater Matrix Coolant Pipe Hose Line 1J0121156AT

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7L0422371C

Volkswagen Touareg 7L Power Steering Fluid Expansion Tank Bottle 7L0422371C

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 05E145140N

VW Volkswagen Golf 8 1.5 eTSI DFYA Turbo Oil Pipe Feed Hose 05E145140N

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 6R0122157AR

VW Volkswagen Polo Gti 6c Coolant Hose Tube Line Pipe Quick Release 6R0122157AR

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7C0121082B

Volkswagen VW Crafter SY Engine Coolant Hose Line Radiator Pipe 7C0121082B

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 2E0122101F

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

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 6R0121447E

Volkswagen Polo 6R Water Hose Radiator Coolant Cooling Pipe Line 6R0121447E

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7C0121088

Volkswagen Crafter Sy Engine Coolant Hose Line Pipe 7C0121088

£37.95

Free delivery: Oct 22

If paid before 14:00

Part no. MB3G-8C607-CD

Volkswagen Amarok Nf Engine Cooliong Radiator Fan 3.0 Diesel DXWB MB3G-8C607-CD

£246.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7L6121109D

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

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 2E0122096J

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

£23.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0121207BD

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

£61.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7P0819926C

Volkswagen Touareg 7P 3.0 TDI Coolant Water Pipe Hose Line 7P0819926C

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 6Y0121086F

Volkswagen Polo 9N Engine Coolant Hose Pipe Tube Line 1.2 Petrol BMM 6Y0121086F

£18.95

Free delivery: Oct 22

If paid before 14:00

Part no. 2E0121096A

Volkswagen Crafter 2E Mercedes Sprinter W906 Water Coolant Pipe Hose 2E0121096A

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. MB3G-8B273-PD

VW Volkswagen Amarok Mk2 Water Cooling Coolant Pipe Hose Line MB3G-8B273-PD

£47.95

Free delivery: Oct 22

If paid before 14:00

Part no. 1J0121253P

VW Volkswagen Golf Gti 1J Water Coolant Radiator 1.8T Petrol AUM 1J0121253P

£28.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7L0121203F

Volkswagen Touareg 7L Engine Twin Electric Radiator Cooling Fans 7L0121203F

£75.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5N0122157AJ

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

£13.95

Free delivery: Oct 22

If paid before 14:00

Part no. 5Q0959455BE

VW Volkswagen Passat B8 Engine Cooling Fan Radiator Fan Blower 5Q0959455BE

£47.95

Free delivery: Oct 22

If paid before 14:00

Part no. 7E0965561

Volkswagen Transporter T5 Auxiliary Water Coolant Pump 2.0 TDI Diesel 7E0965561

£32.95

Free delivery: Oct 22

If paid before 14:00

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