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

£94.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1J0906444

VW Volkswagen Caddy SB Engine Radiator Cooling Fan 2.0 Diesel UC101URL0A07

£127.95

Free delivery: Sep 9 – 16

If paid before 14:00

Part no. 7N0965561

Volkswagen Sharan 7N Auxiliary Water Pump 7N0965561

£13.95

Free delivery: Sep 08

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: Sep 08

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: Sep 08

If paid before 14:00

Part no. 06F121058D

VW Volkswagen Golf Mk6 VI 2.0 TDi Water Coolant Hose Pipe Line 06F121058D

£13.95

Free delivery: Sep 08

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: Sep 08

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: Sep 08

If paid before 14:00

Part no. 7H0121253J

VW Volkswagen Transporter T5 Engine Cooling Coolant Radiator 2.5 TDI 7H0121253J

£66.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03L121011J-1

Volkswagen Transporter T5 2.0 TDi Engine CAAA Water Pump 03L121011J

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7C0121069

Volkswagen Crafter SY Water Coolant Hose Pipe Line 7C0121069

£18.95

Free delivery: Sep 08

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: Sep 08

If paid before 14:00

Part no. 7H0965561

Volkswagen Transporter T5 Amarok 2H Auxiliary Water Pump 7H0965561

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7C0121487E

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

£18.95

Free delivery: Sep 08

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: Sep 08

If paid before 14:00

Part no. 1K0121049DL

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

£47.95

Free delivery: Sep 08

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: Sep 08

If paid before 14:00

Part no. 1K0122447T

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

£18.95

Free delivery: Sep 08

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: Sep 08

If paid before 14:00

Part no. 2Q0121203L

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

£123.95

Free delivery: Sep 08

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: Sep 08

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: Sep 08

If paid before 14:00

Part no. 03C121111P

Volkswagen Touran 1T Water Coolant Thermostat Housing 03C121111P

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 05E121497A

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

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03C121121B

Volkswagen Polo 6R Coolant Thermostat Housing Cover 03C121121B

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6N0121201

Volkswagen Polo 6N Water Radiator Coolant Engine Cooler 6N0121201

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6N0959455Q

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

£56.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03D121005

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 04L121101

Volkswagen Passat B8 Coolant Water Hose Pipe 2.0 TDI 04L121101

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7L0815857C

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5N0122101BB

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

£18.95

Free delivery: Sep 08

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: Sep 08

If paid before 14:00

Part no. 3C0121253AR

Volkswagen Passat B7 Cooling Radiator Coolant Unit 2.0 Diesel 3C0121253AR

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 06Q919519T

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

£51.95

Free delivery: Sep 08

If paid before 14:00

Part no. RHD-3D2122407A

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

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 3C0121087A

Volkswagen Passat B7 Radiator Coolant Hose Pipe 2.0 TDI 3C0121087A

£13.95

Free delivery: Sep 08

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: Sep 08

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: Sep 08

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: Sep 08

If paid before 14:00

Part no. 7C0121096

Volkswagen Crafter SY Water Coolant Hose Pipe Line 7C0121096

£28.95

Free delivery: Sep 08

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: Sep 08

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: Sep 9 – 16

If paid before 14:00

Part no. 5WA121109D

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

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5N0122101AC

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

£13.95

Free delivery: Sep 08

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: Sep 08

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: Sep 08

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: Sep 08

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: Sep 08

If paid before 14:00

Part no. 06A121132R

VW Volkswagen New Beetle 1.6 BFS Water Coolant Flange 06A121133AC

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0121205

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

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 2E0121447C

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5WA121203F

Volkswagen Golf CD1 Radiator Fan Engine Cooling Motor Unit 5WA121203F

£94.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03C121065F

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

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7L0422371C

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

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. MB3G-8W015-BB

VW Volkswagen Amarok NF Engine Water Coolant Radiator Cooler Unit MB3G-8W015-BB

£208.95

Free delivery: Sep 08

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: Sep 08

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: Sep 08

If paid before 14:00

Part no. 7C0121082B

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 2E0122101F

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

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 6R0121447E

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

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7C0121088

Volkswagen Crafter Sy Engine Coolant Hose Line Pipe 7C0121088

£37.95

Free delivery: Sep 08

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: Sep 08

If paid before 14:00

Part no. 7L6121109D

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7P0819926C

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

£13.95

Free delivery: Sep 08

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: Sep 08

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: Sep 08

If paid before 14:00

Part no. 7L0121203F

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

£75.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5N0122157AJ

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

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0959455BE

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

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7E0965561

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

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1K0121049CG

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

£32.95

Free delivery: Sep 08

If paid before 14:00

Part no. 2E0122096E

Volkswagen Crafter Coolant Hoses Water Cooling Pipe 2E0122096E

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 2E0121049C

VW Volkswagen Crafter 2E 2.0 TDI Coolant Hose Engine Cooling System 2E0121049C

£75.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0816411AR

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

£70.95

Free delivery: Sep 08

If paid before 14:00

Part no. MB3G-7F120-PL

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

£189.95

Free delivery: Sep 9 – 16

If paid before 14:00

Part no. 5N0121101H

VW Volkswagen Golf Mk6 Coolant Hose Pipe Line 2.0 TDI Diesel Engine 5N0121101H

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0122051AT

Volkswagen Golf 5G Water Hose Radiator Coolant Pipe Line 5Q0122051AT

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 2E0121746A

VW Volkswagen Crafter 2E Radiator Fan Noise Insulation Plate 2E0121746A

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1K0121253BB

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

£42.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7P0145943

Volkswagen Touareg 7P Intercooler Pipe Hose Line 3.0 TDI 7P0145943

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03P121065C

VW Polo 5 Seat Ibiza 4 Skoda 1.2 TDI CFWA Coolant Pipe Water Tube 03P121065C

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 2E0959455A

Volkswagen Crafter 2E 2.0 TDI Diesel Engine Cooling Radiator Fan 2E0959455A

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7H0121201CN

Volkswagen VW Transporter T5 Engine Cooling Twin Radiator Fan Shroud 7H0121201CN

£237.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0907543A

Volkswagen VW Golf Mk8 Interior Temperature Sensor Unit 5Q0907543A

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. MB3G-8A080-AD

VW Amarok Mk2 Coolant Expansion Tank Reservoir Bottle Fluid Tank MB3G-8A080-AD

£47.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0121064AR

Volkswagen VW Golf Mk7 Audi A3 8V Engine Coolant Pipe Hose Line 5Q0121064AR

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1K0121063P

Volkswagen Scirocco Mk3 Touran 1T Jetta A6 Coolant Hose Line Pipe 1K0121063P

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 3AA122109B

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

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7E0122051E-1

Volkswagen Transporter T5 Coolant Hose Radiator Water Pipe 2.0 TDI 7E0122051E

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 2Q0959455H

Seat Ibiza Mk5 Engine Coolant Radiator Fan Motor Unit 2Q0959455H

£51.95

Free delivery: Sep 9 – 16

If paid before 14:00

Part no. 03L121011J

Volkswagen Transporter T5 2.0 TDi Engine CAAA Water Pump 03L121011J

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7H0121407

VW Volkswagen Transporter T5 Coolant Expansion Overflow Tank Bottle 7H0121407C

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 3C0121253BB

Volkswagen Passat B6 Water Radiator Cooler Unit 2.0 TDI Diesel 3C0121253BB

£28.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0121070BT

VW Volkswagen Polo AW Mk6 Water Hose Engine Coolant Pipe 2.0 TFSI 5Q0121070BT

£23.95

Free delivery: Sep 08

If paid before 14:00

Part no. 04E121600CB

VW Volkswagen Golf 5G 1.0 1.2 1.4 TSI Engine Coolant Water Pump 04E121600CB

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 5Q0121407F

AudVolkswagen Seat Skoda Expansion Tank Coolant Reservoir Bottle 5Q0121407F

£13.95

Free delivery: Sep 08

If paid before 14:00

Part no. 7H0121201CJ

Volkswagen VW Transporter T5 Engine Cooling Twin Radiator Fan Shroud 7H0121201CJ

£237.95

Free delivery: Sep 08

If paid before 14:00

Part no. 03C121019J

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

£18.95

Free delivery: Sep 08

If paid before 14:00

Part no. 1K0121049CJ

Volkswagen Scirocco Mk3 Golf MK6 Water Radiator Pipe Hose 1.4 TSI 1K0121049CJ

£47.95

Free delivery: Sep 08

If paid before 14:00

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