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.

More information

Find it faster

Match to your vehicle

Make

Volkswagen VW Golf Mk5 1K Water Hoses Radiator Coolant Pipes Lines 1K0121156BP

Product currently unavailable

Part no. 1K0121205AD-3

VW Golf Mk5 Radiator Fan Cooling Coolant Fan Unit Shroud Motor 1K0121205AD

Product currently unavailable

Part no. 2E0122447F

VW Volkswagen Crafter 1 2.0 TDI Diesel Water Hose Coolant Pipe Line 2E0122447F

Product currently unavailable

Part no. 1K0203491D-1

Audi A3 8P Fuel Radiator Cooler Cooling Unit Diesel Engine 1K0203491D

Product currently unavailable

Part no. 7E0122051E

Volkswagen Transporter T5 Coolant Cooling Hose Radiator Water Pipe 7E0122051E

Product currently unavailable

Part no. 7H0422885D

Volkswagen Transporter T5 Power Steering Oil Cooler Radiator 7H0422885D

Product currently unavailable

Part no. 5K0122101M

Volkswagen Scirocco Mk3 Coolant Hose Radiator Water Pipe Line 5K0122101M

Product currently unavailable

Part no. 2E0853194A-NAM

Volkswagen VW Crafter 35 Radiator Grille Front Support Bracket Holder 2E0853194A

Product currently unavailable

Part no. 5Q0121203DQ

Volkswagen Golf Sportsvan Radiator Fan Cooling Blower Motor Unit 5Q0121203DQ

Product currently unavailable

Part no. 7N0805588B-1

Volkswagen Sharan 7N Front Slam Panel Cowling Radiator Support Mount 7N0805588B

Product currently unavailable

Part no. 6X0959455C

VW Volkswagen New Beetle Fan Blower Radiator Cooling 250/60W 345mm 6X0959455C

Product currently unavailable

Part no. 03L121064F

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

Product currently unavailable

Part no. 7E0121205A

Volkswagen Transporter T5 Radiator Cooling Fan Shroud 2.0 Diesel 7E0121205A

Product currently unavailable

Part no. 7C0121507B

Volkswagen VW Crafter SY Water Hose Cooling Coolant Pipe Line 7C0121507B

Product currently unavailable

Part no. 2K0122051

Volkswagen Caddy Mk3 Engine Water Coolant Pipe Hose 1.9 TDI 2K0122051

Product currently unavailable

Part no. 044121113

Volkswagen Polo Mk4 Coolant Thermostat 044121113

Product currently unavailable

Part no. 7E0122096AA

Volkswagen Transporter T6 Engine Water Coolant Pipe Hoses 2.0 TDI 7E0122096AA

Product currently unavailable

Part no. 5WA121109A

Volkswagen Golf CD1 Water Pipe Hose Coolant Cooling Engine Radiator 5WA121109A

Product currently unavailable

Part no. 5N0122157BP

Volkswagen VW Tiguan 5N Water Pipe Hose Coolant Cooling Line 5N0122157BP

Product currently unavailable

Part no. 1K0959455FB-2

VW Transporter T5 Audi A3 8P Water Radiator Fan Motor Engine Cooling 1K0959455FB

Product currently unavailable

Part no. 7N0122051S

Volkswagen Sharan 7N Water Pipe Hose Coolant Cooling Line 2.0 TDI 7N0122051S

Product currently unavailable

Part no. 5Q0122291K

VW Volkswagen Golf 5G 2.0 TFSI CHHA Coolant Flange 5Q0122291K

Product currently unavailable

Part no. 1K0122051BG

Volkswagen Golf Mk5 Water Hose Radiator Coolant Pipe Line 2.0 Diesel 1K0122051BG

Product currently unavailable

Part no. 7H0121253J

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

Product currently unavailable

Part no. 03L121131P

VW Crafter 2.0 Tdi CKTB Water Flange Coolant Temperature Sensor 03L121131P

Product currently unavailable

Part no. 7L6121058AN

Volkswagen Touareg 7L 3.0 TDI Water Hose Cooling Coolant Pipe Line 7L6121058AN

Product currently unavailable

Part no. 5N0121253L

Volkswagen Tiguan 5N Engine Cooling Radiator Coolant Unit 5N0121253L

Product currently unavailable

Part no. 7E0121407D

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

Product currently unavailable

Part no. 6X0959455F

Volkswagen VW Golf Mk4 A3 8L TT 8N Radiator Cooling Fan Motor Petrol 6X0959455F

Product currently unavailable

Part no. 7P6122447AD

Volkswagen Touareg 7P Coolant Hose Pipe Line 7P6122447AD

Product currently unavailable

Part no. 2E0121065

Coolant Line Volkswagen Crafter 2.5 TDI Diesel Engine Cooling Pipes 2E0121065

Product currently unavailable

Part no. 3D0809937B

Volkswagen Polo 6R Fuel Drain Hose Filler Pipe Line 3D0809937B

Product currently unavailable

Part no. 1K0965561A

VW Touran 1T Auxiliary Water Pump Coolant Unit Cooling Heating Valve 1K0965561A

Product currently unavailable

Part no. 7L6122051H

Volkswagen Touareg 2.5 TDI Water Hose Radiator Coolant Tube Pipe Line 7L6122051H

Product currently unavailable

Part no. 2Q0122051BK

Volkswagen Polo Mk6 Audi A1 GB Coolant Cooling Hose Pipe Line 2Q0122051BK

Product currently unavailable

Part no. 1C0122101AP

Volkswagen New Beetle Water Pipe Hose Coolant Cooling Line 1C0122101AP

Product currently unavailable

Part no. 2Q0122101CR

Volkswagen Polo Mk6 Audi A1 GB Radiator Water Coolant Hose Pipe 2Q0122101CR

Product currently unavailable

Part no. 03C121050N

VW Volkswagen Golf Mk6 Heater Water Cooling Coolant Pipe Hose Line 03C121050N

Product currently unavailable

Part no. 1K0122101KP

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

Product currently unavailable

Part no. 5N0145832K

Volkswagen Tiguan 5N Turbo Charger Air Intercooler Hose Pipe Line 5N0145832K

Product currently unavailable

Part no. 7P6122109D

VW Volkswagen Touareg 7P Radiator Water Coolant Pipe Hose Line 7P6122109D

Product currently unavailable

Part no. 2E0121049

Volkswagen Crafter 2E Engine Water Coolant Pipe Hose Line 2.0 TDI 2E0121049

Product currently unavailable

Part no. 1K0121205AJ

Audi A3 8P Radiator Fan Cooling Coolant Fan Unit Shroud 2.0 Diesel 1K0121205AJ

Product currently unavailable

Part no. 1K0122058E

Volkswagen VW Golf Mk5 Water Hose Radiator Coolant Pipe Line 1K0122058E

Product currently unavailable

Part no. A9065050655

Volkswagen Crafter 2E Radiator Fan Cooler Shroud Housing Cover 9065050655

Product currently unavailable

Part no. 6R0965561A

VW Golf MK6 TDI Auxiliary Electric Additional Water Pump Coolant 6R0965561A

Product currently unavailable

Part no. 04L121101

Volkswagen Passat B8 Coolant Water Hose Pipe 2.0 TDI 04L121101

Product currently unavailable

Part no. 5K0121251G

Volkswagen Scirocco Mk3 Coolant Radiator Engine Cooling Unit 1.4 TSI 5K0121251G

Product currently unavailable

Part no. 7L6122291F-1

Volkswagen Touareg 7L Engine Radiator Coolant Hose Pipe Line Diesel 7L6122291F

Product currently unavailable

Part no. 5Q0121156D

VW Volkswagen Golf Mk8 Water Pipes Hoses Coolant Cooling Line 5Q0121156D

Product currently unavailable

Part no. 7L6203491A

Volkswagen Touareg 7L Fuel Cooler Radiator 2.5 TDI Diesel 7L6203491A

Product currently unavailable

Part no. 04L121111-1

Volkswagen Tiguan 5N Thermostat Coolant Housing Valve 2.0 TDI Diesel 04L121111

Product currently unavailable

Part no. 6R0121447

Volkswagen Polo 6R Water Hose Radiator Coolant Cooling Pipe Line 6R0121447

Product currently unavailable

Part no. 1K0122058P

Audi A3 8P VW Golf Mk6 Water Hose Radiator Coolant Pipe Line 2.0 TDI 1K0122058P

Product currently unavailable

Part no. 7E0121101B

Volkswagen VW Transporter T5 Coolant Hoses Water Cooling Pipes 7E0121101B

Product currently unavailable

Part no. MB3G-8W015-BB

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

Product currently unavailable

Part no. 1K0121251DL

Audi A3 8P VW Golf Mk5 Engine Cooling System Radiator Water Hose 1K0121251DL

Product currently unavailable

Part no. 2E0959455A-1

Volkswagen Crafter 2E Diesel Engine Cooling Radiator Fan 2E0959455A

Product currently unavailable

Part no. 1C0121207C

Volkswagen New Beetle 1C 9C Radiator Fan Shroud Housing 1C0121207C

Product currently unavailable

Part no. 7N0121207

VW Sharan 7N Radiator Fan Engine Cooling Double Shroud Petrol Engine 7N0121207

Product currently unavailable

Part no. 1K0121207BC-2

VW Volkswagen Golf Mk5 Cooling Radiator Fan 2.0 TDI Diesel Engine 1K0121207BC

Product currently unavailable

Part no. 2E0121049C

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

Product currently unavailable

Part no. 7E0121207C

Volkswagen VW Transporter T6 Engine Cooling Radiator Fan Shroud 7E0121207C

Product currently unavailable

Part no. 7L6422885E

VW Volkswagen Touareg 7L Diesel Engine Oil Cooler Heat Exchanger 7L6422885E

Product currently unavailable

Part no. 5N0121447C

VW Volkswagen Tiguan 5N Water Hose Coolant Cooling Tube Pipe Line 5N0121447C

Product currently unavailable

Part no. 059115389H-1

VW Touareg 7L Audi Q7 4L 3.0 TDI Oil Filter Housing Oil Cooler 059115389K

Product currently unavailable

Part no. 2E0121207H

Volkswagen VW Crafter 35 Radiator Fan Shroud Engine Radiator Holder 2E0121207H

Product currently unavailable

Part no. 5J0919516

VW Volkswagen Polo 6R Radiator Fan Relay Electrical Module Unit 5J0919516

Product currently unavailable

Part no. 7L0121253A

Volkswagen Touareg 7L Water Cooling Coolant Radiator 7L0121253A

Product currently unavailable

Part no. 5K0121253D

Volkswagen Scirocco Mk3 Coolant Radiator Engine Cooling Unit 1.4 TSI 5K0121253D

Product currently unavailable

Part no. 03L121111S

VW Golf 6 1.6 TDI CAY Diesel Engine Thermostat Cooling Housing 03L121111S

Product currently unavailable

Part no. 7E0121073L

Volkswagen Transporter T5 Water Pipe Hose 7E0121073L

Product currently unavailable

Part no. 3AA122109B

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

Product currently unavailable

Part no. 7E0121253A

Volkswagen Transporter T5 Intercooler Radiator Cooler Package 7E0121253A

Product currently unavailable

Part no. 7N0121207F-1

Volkswagen VW Sharan 7N Engine Cooling Fan Twin Coolant Unit Part 7N0121207F

Product currently unavailable

Part no. 03F121065A

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

Product currently unavailable

Part no. 2Q0959455H

Seat Ibiza Mk5 Engine Coolant Radiator Fan Motor Unit 2Q0959455H

Product currently unavailable

Part no. 5WA121203H-1

VW Volkswagen Golf 8 1.0 TSI DLAA Radiator Coolant Fan 5WA121203H

Product currently unavailable

Part no. 6R0805588K

Volkswagen VW Polo 6R Radiator Rad Mount Support Carrier Bracket 6R0805588K

Product currently unavailable

Part no. 6R0122101DD-1

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

Product currently unavailable

Part no. 3C0121253BB

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

Product currently unavailable

Part no. 7H0121253K

Volkswagen VW Transporter T5 Radiator Engine Cooling Coolant Unit 7H0121253K

Product currently unavailable

Part no. 7L6121063D

Volkswagen Touareg 7L Water Coolant Pipe Hose Line 2.5 TDI 7L6121063D

Product currently unavailable

Part no. 5WA122157AG

Volkswagen Polo VI AW 2.0 TSI Coolant Water Hose Line Tube Pipe 5WA122157AG

Product currently unavailable

Part no. 7N0121207F-2

VW Volkswagen Sharan 7N Engine Cooling Fan Twin Coolant Unit Part 7N0121207F

Product currently unavailable

Part no. 5WA122051AG

VW Volkswagen Golf 8 1.0 TSI DLAA Coolant Hose Pipe Tube Line 5WA122051AG

Product currently unavailable

Part no. 5WA121049R

Volkswagen Golf 8 1.0 TSI DLAA Coolant Hose Pipe Left N/S Line 5WA121049R

Product currently unavailable

Part no. 5G0121283BD

VW Volkswagen Golf Mk7 Radiator Air Duct Guide Shroud Panel Left N/S 5G0121283BD

Product currently unavailable

Part no. 1K0121049DK

Volkswagen Scirocco Mk3 1.4 TSI Water Radiator Pipe Hose Line 1K0121049DK

Product currently unavailable

Part no. 7L6122096M

Volkswagen Touareg 7L Water Coolant Hose Pipe Line Tube 7L6122096M

Product currently unavailable

Part no. 5Q0122051EN

VW Volkswagen Golf Sportsvan 1.5 TSI Water Coolant Pipe Hose Line 5Q0122051EN

Product currently unavailable

Part no. 5Q0906457B

Volkswagen Skoda Seat Audi Auxiliary Secondary Water Pump Petrol 5Q0906457B

Product currently unavailable

Part no. 2Q0121253T

VW Volkswagen Polo VI Radiator Engine Cooling Coolant Water Unit 2Q0121253T

Product currently unavailable

Part no. 5Q0122058Q-1

Volkswagen Golf Mk7 5G 2.0 TFSI Water Hose Cooling Coolant Pipe Line 5Q0122058Q

Product currently unavailable

Part no. 5WA122101T

Volkswagen Golf 8 1.0 TSI DLAA Top Coolant Hose Pipe Right O/S Line 5WA122101T

Product currently unavailable

Part no. 1J0121206C

Volkswagen Golf Mk4 Radiator Fan Mount Bracket Holder 1J0121206C

Product currently unavailable

Part no. 5Q0965567N

VW Volkswagen Golf 8 Additional Auxiliary Water Pump 1.0 TSI DLAA 5Q0965567N

Product currently unavailable

Part no. 5Q0122051BC

Volkswagen Golf 5G Mk7 2.0 TFSI Water Coolant Pipe Hose Line Tube 5Q0122051BC

Product currently unavailable

Part no. 7P6122447AP

Volkswagen VW Touareg 7P Coolant Hose Pipe Line 7P6122447AP

Product currently unavailable

...

Showing 298-396 of 774 products