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 Tiguan 5N Engine Cooling Radiator Coolant Unit 5N0121253L

Product currently unavailable

Part no. 1K0122101HR

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

Product currently unavailable

Part no. 2K5122157D

Volkswagen Caddy 2K Engine Cooling Coolant Water Pipe 2.0 TDI 2K5122157D

Product currently unavailable

Part no. 03H103202D

Volkswagen Passat CC Engine Cylinder Head Vent Hose 3.6 FSI BWS 03H103202D

Product currently unavailable

Part no. 7H0121065P

Volkswagen Transporter T5 Coolant Water Pipe Hose Line 2.5 TDI 7H0121065P

Product currently unavailable

Part no. 5K0122157K

Volkswagen New Beetle Water Coolant Cooling Pipe Hose Line 2.0 TDI 5K0122157K

Product currently unavailable

Part no. 03L145736D

Volkswagen Tiguan 5N Turbine Lubrication Inlet Oil Feed Line Pipe 03L145736D

Product currently unavailable

Part no. 058121301B

Volkswagen VW Passat B6 Radiator Fan Blade Cooling Shroud Holder 058121301B

Product currently unavailable

Part no. 7L6203491B

VW Volkswagen Touareg 7L Oil Fuel Cooler Cooling Radiator 7L6203491B

Product currently unavailable

Part no. 03C121050E

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

Product currently unavailable

Part no. 3C0121253AR

Volkswagen Passat B7 Cooling Radiator Coolant Unit 2.0 Diesel 3C0121253AR

Product currently unavailable

Part no. 8R0201892

Audi A4 B8 A5 8T TDI Diesel Water Coolant Cooling Pipe Hose Line 8R0201892

Product currently unavailable

Part no. 03N906249E

VW Volkswagen Crafter SY Electric Auxiliary Additional Water Pump 03N906249E

Product currently unavailable

Part no. 070121063A

Volkswagen Touareg Transporter 2.5 TDI Water Coolant Pipe Hose 070121063A

Product currently unavailable

Part no. 2Q0121321A

SEAT Audi Volkswagen Skoda Water Coolant Expansion Tank Cap Cover 2Q0121321A

Product currently unavailable

Part no. 06K121051M

Volkswagen Golf R Mk7 Audi A3 8V Coolant Pipe Hose 2.0 TSI 06K121051M

Product currently unavailable

Part no. 1K0121058BS

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

Product currently unavailable

Part no. 1T0122073BC

VW Volkswagen Caddy 2K Water Coolant Cooling Hose Pipe Diesel Engine 1T0122073BC

Product currently unavailable

Part no. 076121064

VW Volkswagen Crafter 2E Water Coolant Pipe Hose Line Diesel Engine 076121064E

Product currently unavailable

Part no. 9068320223

Volkswagen Crafter 2E Engine Coolant Pipe Hose Cooling Line 9068320223

Product currently unavailable

Part no. 5Q0121253H

Volkswagen Golf R Mk7 Auxiliary Coolant Radiator Water Cooler 5Q0121253H

Product currently unavailable

Part no. 04L121065BH

Volkswagen Tiguan 5n Water Coolant Pipe Hose Tube Line 2.0 TDI CUVC 04L121065BH

Product currently unavailable

Volkswagen VW Golf Mk5 Exhaust Gas Temperature Sensor Wiring Diesel 03L906088BS

-15%

Part no. 03L906088BS

Volkswagen VW Golf Mk5 Exhaust Gas Temperature Sensor Wiring Diesel 03L906088BS

Product currently unavailable

Part no. 03L906088HB

VW Crafter 35 Temperature Sensor Exhaust Gas Sensor Probe 2.0 TDI 03L906088HB

Product currently unavailable

Part no. 5Q0121599AN

VW Volkswagen Beetle 5C Auxiliary Water Pump Coolant Cooling Unit 5Q0121599AN

Product currently unavailable

Part no. 5Q0121205

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

Product currently unavailable

Part no. 1K0121251DD-1

Volkswagen VW Golf Mk6 Radiator Engine Cooling Coolant Water Unit 1K0121251DD

Product currently unavailable

Part no. 059121075FE

Audi A7 4G Water Coolant Cooling Hose Pipe 3.0 TDI Diesel Engine 059121075FE

Product currently unavailable

Part no. 5Q0121619D-2

Volkswagen Beetle 2.0 TDI Water Hose Coolant Radiator Pipe Line 5Q0121619D

Product currently unavailable

Part no. 1K0122073R

VW Volkswagen Golf Mk5 V Water Coolant Hose Pipe Line 1K0122073R

Product currently unavailable

Part no. 5Q0121156D

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

Product currently unavailable

Part no. 03G906088K

Volkswagen VW Passat B6 Exhaust Gas Temperature Sensor Wiring 03G906088K

Product currently unavailable

Part no. 04L121049H

VW Volkswagen Crafter SY Water Coolant Pipe Hose Tube Line 04L121049H

Product currently unavailable

Part no. 04L121051

Volkswagen Audi Seat Skoda Water Coolant Pipe Hose 2.0 TDI 04L121051

Product currently unavailable

Part no. 03G121151AB

VW Touran Golf V Passat B6 TDI Water Hose Coolant Tube Pipe Line 03G121151AB

Product currently unavailable

VW Volkswagen Eos 1F Water Hose Radiator Coolant Pipe 2.0 Petrol 1K0122447DC

-5%

Part no. 1K0122447DD

VW Volkswagen Eos 1F Water Hose Radiator Coolant Pipe 2.0 Petrol 1K0122447DC

Product currently unavailable

Part no. 5N0122051BQ

VW Volkswagen Tiguan 5N Water Coolant Pipe Hose Line Tube 5N0122051BQ

Product currently unavailable

Part no. 7H0122447K

Volkswagen VW Transporter Water Hose Radiator Coolant Pipe Line 7H0122447K

Product currently unavailable

Part no. 6Y0121049H

Volkswagen Polo 9N Engine Coolant Hose Tube Line Pipe 1.2 Petrol BMM 6Y0121049H

Product currently unavailable

Part no. 038121065CS

VW Volkswagen Golf 5 1.9 TDI BXE Water Coolant Pipe Hose Line Tube 038121065CS

Product currently unavailable

Part no. 5N0122101BF

VW Volkswagen Tiguan Mk1 2.0 TSI Radiator Water Coolant Pipe Hose 5N0122101BF

Product currently unavailable

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

-40%

Part no. 059115389H

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

Product currently unavailable

Part no. 5Q0122101BK

VW Golf Mk7 Audi A3 8V Water Hose Radiator Coolant Pipe Line Diesel 5Q0122101BE

Product currently unavailable

Part no. 1K0121251N-1

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

Product currently unavailable

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

-5%

Part no. 5N0121086J

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

Product currently unavailable

Part no. 5Q0122101BJ

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

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. 038121133A

VW Volkswagen New Beetle 1.9 TDI Coolant Thermostat Housing Flange 038121133A

Product currently unavailable

Volkswagen Sharan 7N Auxiliary Water Pump 7N0965561

-5%

Part no. 7N0965561

Volkswagen Sharan 7N Auxiliary Water Pump 7N0965561

Product currently unavailable

Part no. 7E0121086H

VW Volkswagen Transporter T5 2.0 TDI CAAA Coolant Hose Pipe Line 7E0121086H

Product currently unavailable

Part no. 1C0121157L

VW Volkswagen New Beetle 1.9 TDI BSW Coolant Water Hose Pipe Line 1C0121157L

Product currently unavailable

Part no. 04L121064T-2

Volkswagen Scirocco Mk3 Audi A3 8V Engine Coolant Pipe Hose 2.0 TDI 04L121064T

Product currently unavailable

Part no. 7P6122447AL

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

Product currently unavailable

Part no. 028121145B

VW Volkswagen New Beetle 1.9 TDI BSW Heated Coolant Flange Glow Plug 028121145B

Product currently unavailable

Part no. 2E0122096J

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

Product currently unavailable

Part no. 3Q0121064AC

Volkswagen Golf Mk8 Engine Coolant Water Pipe Hose Line 2.0 TDI 3Q0121064AC

Product currently unavailable

Part no. 2Q0965567A-1

VW Scirocco III Golf VII Transporter T6 Additional Water Coolant Pump 2Q0965567A

Product currently unavailable

Part no. 5Q0965567J

Audi A3 8V Skoda Octavia Mk3 Volkswagen Golf Mk7 Auxiliary Water Pump 5Q0965567J

Product currently unavailable

Part no. 7H0121157P

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

Product currently unavailable

Part no. 7E0121253A

Volkswagen Transporter T5 Intercooler Radiator Cooler Package 7E0121253A

Product currently unavailable

Volkswagen Passat CC Skoda Superb Water Coolant Hose Pipe 3C0122073EJ

-5%

Part no. 3C0122073EJ

Volkswagen Passat CC Skoda Superb Water Coolant Hose Pipe 3C0122073EJ

Product currently unavailable

Part no. 3Q0122096E

Volkswagen Golf Mk8 Water Coolant Cooling Pipe Hose Line 2.0 TDI 3Q0122096E

Product currently unavailable

Part no. 1K0121156CQ

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

Product currently unavailable

Part no. 6C0121049C

VW Polo Mk5 Audi A1 8X Ibiza Mk4 Engine Water Coolant Hose 1.8 TFSI 6C0121049C

Product currently unavailable

Part no. 7L0122051

Volkswagen Touareg 7L Engine Water Coolant Pipe Hose 3.2 V6 Petrol 7L0122051

Product currently unavailable

Part no. 038103153D

Volkswagen Passat B6 Caddy 2K Crankshaft Main Carrier Seal 1.9 TDI 038103153D

Product currently unavailable

...

Showing 595-660 of 660 products