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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Audi A3 8V TT FV VW Golf Mk7 Water Coolant Connector Flange Diesel 5Q0121619A

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6R0122447K-1

Audi A1 8X Coolant Water Pipe Hose Line Engine Cooling 6R0122447K

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1K0907543G

Volkswagen Tiguan 5N Temparature Sensor Interior Temperature Sensor 1K0907543G

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8K0121251T

Audi A4 B8 2.0 TDI Diesel Motor Engine Coolant Radiator Intercooler 8K0121251T

€85.95

Free delivery: Sep 14 – 16

If paid before 14:00

Part no. 55213798

Fiat Doblo 1.6 Diesel JTD Multijet Engine Water Coolant Pipe Hose Line 55213798

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A2465000064-3

Radiator Fan Module Mercedes C117 W176 W246 Engine Cooling Unit A2465000064

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. LR072039

Land Rover Discovery Sport L550 Water Coolant Pipe Hose Line 2.0 D GJ32-8C480-AA

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A6542030001

Mercedes W205 W213 OM654 Oil Cooler Pipe Hose Line A6542030001

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 07L121481H

Audi A6 C6 S8 D3 Engine Water Coolant Pipe Line Tube Hose 07L121481H

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1439113

BMW X5 E53 E65 E66 Radiator Rubber Mounting Holder Bracket Part 1439113

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 059145771AQ

Oil Hose Audi A6 C7 Q5 8R Turbine Cooling Pipe Line 059145771AQ

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. M8D2-8C480-BB

Land Rover Discovery Sport L550 Coolant Hose Pipe 2.2 Diesel M8D2-8C480-BB

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6905942

BMW 3 Series E46 Heater Water Valve Pump Hose Pipe Line Diesel 6905942

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5Q0122051BA

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 98662403601

Porsche Cayman 987C Engine Compartment Fan Cooling Blower Fan GATE 98662403601

€23.95

Free delivery: Sep 14 – 16

If paid before 14:00

Part no. 6922394

Mini Cooper R50 Hose Heater Radiator 6922394

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1715121-1

Ford Transit MK6 MK7 2.4 Diesel Water Coolant Pump 1715121

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7P0121065AC

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8W0122055CA

Audi A5 F5 Engine Water Coolant Hose Pipe Line Water Coolant 8W0122055CA

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8515509

BMW X5 F15 Radiator Top Coolant Pump Hose Cooling System 8515509

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8E0121321

Audi A6 C6 Radiator Water Coolant Expansion Tank Cap Cover Lid 8E0121321

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. M8D2-8260-AB

Range Rover Evoque L551 Radiator Coolant Pipe Hose 2.0 Diesel M8D2-8260-AB

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9249616

Coolant Hose BMW X3 F25 X4 F26 Diesel Heater Water Return Pipe Line 9249616

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8K0819147

Audi A4 A5 8T Auxiliary Water Pump 2.0 TDI TFSI Diesel Petrol 8K0819147

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 3Q0121156D

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

€89.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A1668303800

Coolant Hose Mercedes GLE W166 C292 OM642 Water Cooling Line A1668303800

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5Q0122073H

Seat Leon 5F Water Coolant Pipe Hose Cooling Line 2.0 TDI Diesel 5Q0122073H

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6Y0121086F

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 06F121011

Audi A4 B7 Water Coolant Pump Engine Cooling Unit 2.0 Petrol 06F121011

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7508014

BMW 7 Series E65 E66 Water Return Pipe Hose 7508014

€23.95

Free delivery: Sep 15 – 16

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: Sep 15 – 16

If paid before 14:00

Part no. 1614086880

Citroen Relay Mk3 Water Hose Radiator Lower Coolant Pipe Line Diesel 1614086880

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8W0122449BR

Audi A5 F5 Engine Water Coolant Hose Pipe Line Water Coolant 8W0122449BR

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A6512002800

Mercedes W204 Diesel OM651 Engine Coolant Thermostat Temp Sensor A6512002800

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 05L121111Q

Audi Q2 GA 3.0 TDI DTTC Diesel Engine Coolant Thermostat Housing 05L121111Q

€75.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 147138491R

Nissan Qashqai Renault 1.5 dCi Egr Cooler Coolant Water Flange 147138491R

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1335277

Land Rover Discovery 3 L319 Water Coolant Pipe Hose Line 2.7 V6 4H2Q-6720-CD

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1K0820897A

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A6542030002

Mercedes W177 Water Coolant Pipe Hose Line A6542030002

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1K0122447GF

Volkswagen Passat B7 Coolant Pipe Hose Line 2.0 TDI 1K0122447GF

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1J0121156AT

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

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 14055JD72A

Nissan Qashqai Water Hose Coolant Pipe Lines Cooling Diesel 14055JD72A

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6917700-1

BMW 5 6 SERIES E60 E61 E63 E64 LCi Additional Water Pump Bracket Holder 6922647

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A2058301902-1

Mercedes W205 Diesel OM651 Coolant Hose Circulation Pump Heating A2058301902

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7616025

BMW i3 I01 Radiator Side Mount Cover Holder Bracket Panel Left N/S 7616025

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A6511801310

Oil Cooler Radiator Mercedes W906 Oil Filter Bracket Diesel A6511801310

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6909240

BMW Z4 Series E85 Roadster Water Coolant Hose Pipe Petrol 6909240

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 06F121111H

Audi A3 S3 8P 2.0 TFSI Coolant Thermostat Housing Unit 06F121111H

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1K0122101GG

Audi A3 8P Water Coolant Pipe Hose Line 1.8 FSI BZB Petrol Engine 1K0122101GQ

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8E0265381

Audi A3 8V 35 TDI Water Coolant Pipe Hose Line 8E0265381

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 05C122447J

Seat Ibiza Mk5 KJ1 VW Golf Mk8 Water Coolant Pipe Hose 1.0 TSI Petrol 05C122447J

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8841819

BMW U06 X2 U10 X1 U11 Water Coolant Return Pipe Hose Line B38X 8841819

€118.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 059145736G

Audi A7 4G Turbocharger Lubrication Inlet Oil Feed Line Pipe 3.0 TDI 059145736G

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7P6122051D

Volkswagen VW Touareg 7P Coolant Hose Pipes Line 3.0 TDI Diesel 7P6122051D

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9398958

BMW G20 G21 Radiator Feed Coolant Hose Pipe Tube Line 9398958

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 4K0122055AK

Audi A6 C8 Water Coolant Pipe Hose Line 3.0 TDI 4K0122055AK

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A0005000185

Mercedes W221 W906 Radiator Coolant Water Drain Plug Cap Stop Screw A0005000185

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7L0815857C

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 606356115

Radiator Fan Visco Iveco Daily 3 2.3L Diesel Engine Cooling Blower Fan 606356115

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5Q0122073R

Audi A3 8V Water Hose Coolant Pipe Line Tube 5Q0122073R

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7P0121065M-1

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

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8K0122293AE

Porsche Macan 95 Audi A4 S4 8K A5 S5 8F Thermostat Quick Coupling 8K0122293AE

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A2045014082

Mercedes W204 Water Hose Radiator Coolant Cooling Pipe Line A2045014082

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A2048304496

Mercedes C204 S04 W204 Recirculation Pump Hose Tube Line Pipe A2048304496

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 4H0121055AB

Audi A8 D4 3.0 Diesel Coolant Return Line Tube Pipe Hose Right O/S 4H0121055AB

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5Q0122101BJ

Volkswagen Golf Gtd 5G Audi A3 8V Water Coolant Pipe Hose 2.0 TDI 5Q0122101BJ

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 06H121026N

Audi A3 8P VW Golf MK6 Engine Coolant Water Pump 1.8 TFSI Petrol 06H121026N

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8379874

BMW E65 E66 E67 Webasto Auxiliary Heating Exhaust Pipe Muffler 8379874

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6R0145805F

Audi A1 8X Motor Engine Coolant Radiator Intercooler Diesel 6R0145805F

€42.95

Free delivery: Sep 14 – 16

If paid before 14:00

Part no. A2223270044-1

Mercedes C216 W212 S212 Water Hose Coolant Cooling Pipe Line A2223270044

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8K0121003AD

Audi A7 4G8 Engine Cooling Radiator Twin Coolant Fan Diesel 8K0121003AD

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8514458

Water Pump BMW F10 F11 F20 F21 LCI B47 Diesel Coolant 8514458

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. PCH001150

Range Rover L322 Radiator Cooling Hose Pipe Line PCH001150

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A1191552835

Mercedes C140 Idler Belt Pulley Water Pump 1191552835

€108.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1K0121058D

VW Volkswagen EOS 1F Golf Gti 1K Coolant Hose Tube Line Pipe 2.0 TDI 1K0121058D

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A6542031602

Mercedes A177 Diesel OM654.920. Engine Water Line Coolant Pipe Hose A6542031602

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. M8A2-8B505-CB

Range Rover Velar L560 Water Coolant Hose Pipe Line 2.0 Diesel M8A2-8B505-CB

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7565780

BMW 5 6 Series E60 E61 E63 LCI Petrol N52N N53 Return Hose Cooling Pipe 7565780

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 07K121133E

Audi RS3 8V RSQ3 F3 Water Coolant Pump Regulator Flange 2.5 TFSI 07K121133E

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8841818

BMW U06 X1 U11 Water Coolant Feed Pipe Hose Line B38X 8841818

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5Q0122101DA

Seat Lean Cupra 5F Ibiza 6P Coolant Flange Pipe Line Tube Coupling 5Q0122291DA

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5N0121086J

Volkswagen Tiguan 5N Audi Q3 8U Coolant Hose Pipe Line 2.0 TDI 5N0121086J

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1K0121407A

Audi A3 8P Expansion Tank Header Coolant Reservoir Bottle 1K0121407A

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7L0965561-1

Audi Q7 4L VW Touareg Additional Auxiliary Water Coolant Pump 3.0 TDI 7L0965561

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1781999

Ford B-Max Water Coolant Hose Pipe Line C1B1-18K580-CA

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A2055014684

Mercedes C205 OM651 Diesel Engine Water Coolant Pipe Hose Line Tube A2055014684

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 2650930

Ford Transit Custom 2.0 EcoBlue A YLF6 Water Pump KK2Q8501AC

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7558467

BMW E60 E61 E63 E64 Engine Oil Cooler Return Line Pipe 550i 650i N62N 7558467

€75.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 06F121492B

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

€184.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 2249459-1

BMW E65 E66 Engine Water Coolant Pipe Hose Line M57 2249459

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8616317-1

BMW F32 Engine Cooling Radiator Fan Shroud 8616317

€32.95

Free delivery: Sep 14 – 16

If paid before 14:00

Part no. 6977017

BMW Z4 Series E85 E86 Air Conditioning Hose Pipe Dryer Expansion Valve 6977017

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A6112001101

Water Pump Mercedes W901 OM611 OM612 Cooling Coolant A6112001101

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A6462001215

Mercedes Sprinter W906 Coolant Thermostat Housing Cooling Unit A6462001215

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1614086780

Peugeot Boxer 3 Water Hose Radiator Coolant Pipe Line 2.2 HDI Diesel 1614086780

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5Q0122051CM

Volkswagen Golf 5G 2.0 TDI Water Hose Radiator Coolant Pipe Line 5Q0122051CM

€61.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 99610621206

Porsche Boxster 986 Cooling Engine Water Coolant Hose Pipe 99610621206

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7C0121096

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

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A0005001686

Mercedes W212 Coolant Pump Auxiliary Water Pump Water Circulation A0005001686

€146.95

Free delivery: Sep 15 – 16

If paid before 14:00

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