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

Audi TT 8J 1.8 TFSI Tank Breather Ventilation Pipe Line 06J103221

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 4H0121207C-1

Audi S6 C7 S7 4G Engine Cooling Radiator Fan 4.0 TFSI 4H0121207C

€289.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059145771AC

Audi A5 8T 3.0 TDI CCWA Turbo Oil Feed Pipe Line Hose Tube 059145771AC

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06K115243R

Audi S1 8X A3 8Y Oil Pressure Control Valve 2.0 TFSI CWZA 06K115243R

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 057121073C

Audi Q7 4L 4.2 TDI Coolant Hose Pipe Hose Line 057121073C

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K0819350A

Audi RS4 B8 4.2 FSI CFSA Coolant Hose Pipe Line Tube 8K0819350A

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 4E0907658

Audi Q7 4L A8 D3 Air Moisture Humidity Sensor Control Unit 4E0907658

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059906088BJ

Audi Q7 4L 3.0 TDI CLAB Diesel Temperature Exhaust Gas Sensor 059906088BJ

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K0959455M

Audi A4 B8 Radiator Fan Engine Cooling Cooler Blower Unit 8K0959455M

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 079121081

Audi S7 4G 4.0 TFSI Coolant Hose Engine Water Pipe Front Upper 079121081

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8W0819342L-1

Audi A5 F5 Water Return Coolant Pipe Hose Flow Line 8W0819342L

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K0121055B

Water Hose Cooling Audi A4 S4 8B A5 S5 8T Radiator Coolant Pipe Line 8K0121055B

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 4K0145910G

Audi A6 C8 Water Hose Coolant Cooling Pipe Line 4K0145910G

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06J133519A

Audi TT 8J Water Cooling Coolant Pipe Line Connector Bracket Holder 06J133519A

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8W0819885B

Audi A5 S5 F5 Water Hose Cooling Coolant Radiator Pipe Line 3.0 TDI 8W0819885B

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06E121044L-1

Audi A4 S4 B8 S5 8T A6 C7 Coolant Pipe Hose Tube Line 06E121044L

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0122101JQ

Audi A3 8P VW Golf Mk6 2.0 TDI CFFB Coolant Water Hose Pipe Line 1K0122101JQ

€85.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 079121036D

Audi RS4 B8 Engine Cooling Coolant Water Hose Pipe Line 079121036D

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 079121055AC

Audi RS4 B8 Engine Cooling Coolant Hose Pipe Line Front Left N/S 079121055AC

€37.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 03C121050P

Audi A1 8X Oil Cooler Water Pipe 1.4 TSI Engine 03C121050P

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06D121065L

Audi A4 B7 Water Coolant Pipe Hose Line 2.0 TFSI 06D121065L

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059121465B

Coolant Pipe Audi A6 C7 Q7 4L 3.0 TDI Water Hose Line Tube 059121465B

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06K121075AS

VW Polo 6C GTI Audi S1 8X 1.8 2.0 TFSI Water Coolant Pipe Hose Line 06K121075S

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06E121031E

Audi A4 S4 B8 Coolant Pump Pulley Water Pump Wheel 3.0 Petrol Engine 06E121031E

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 079121065BR

Audi RS4 B8 RS5 8T Engine Cooling Pipe Water Coolant Hose 4.2 Petrol 079121065BR

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 4G0121601A

Audi A7 4G8 Additional Auxiliary Water Pump Motor Circulation 4G0121601A

€42.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8W0145925P

Audi A4 B9 A5 F5 Water Coolant Pipe Hose 2.0 TDI 8W0145925P

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 079121071CJ

Audi RS4 B8 RS5 8T Engine Cooling Pipe Water Hose Line 4.2 V8 FSI 079121071CJ

€189.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06A121065AP

Audi A3 8P Coolant Hose Water Pump Pipe Cooling Line 1.6 Petrol 06A121065AP

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 4G0819374G

Audi A6 C7 A7 4G Water Coolant Pipe Hose Line 3.0 TDI 4G0819374G

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K1819376L

Audi A4 B8 8K A5 8T Engine Water Coolant Pipe Hose Line Diesel 8K1819376L

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0122101DK

Audi TT 8J 2.0 TFSI BWA Upper Radiator Coolant Hose Line Pipe Tube 1K0122101DK

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8W0145920M

Audi A5 F5 Water Hose Cooling Radiator Coolant Pipe Line 2.0 TDI 8W0145920M

€47.95

Free delivery: Sep 21 – 24

If paid before 14:00

Audi A5 8T A6 C7 A7 4G Radiator Fan Motor Right O/S 3.0 TDI 4H0959455AE

-0%

Part no. 4H0959455AE

Audi A5 8T A6 C7 A7 4G Radiator Fan Motor Right O/S 3.0 TDI 4H0959455AE

Promo price

€156.95

€156.45

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5Q0121070BR-1

Audi A3 8V 2.0 TFSI Water Hose Engine Coolant Cooling Pipe Line 5Q0121070BR

€42.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06F121132G

Audi S3 8P 2.0 TFSI CDLA Coolant Flange Pipe Hose Line 06F121132G

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8E0819376C

Audi RS4 B7 Engine Water Coolant Pipe Hose Line 4.2 V8 BNS 8E0819376C

€51.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8R0121055H-1

Audi Q5 8R Water Cooling Pipe Coolant Hose Tube Line 8R0121055H 4F0122293A

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 079121070T

Audi A4 B7 4.2 V8 Coolant Pipe Hose Line Tube Cooling 079121070T

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06E121044L-2

Audi S5 8T A4 S4 B8 A6 C7 Water Coolant Pipe Hose Line 3.0 TFSI 06E121044L

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 6R0121063

Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 6R0121063

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8W0121487Q

Audi A4 B9 A5 F5 Q5 FY Water Coolant Hose Pipe Line 3.0 TDI 8W0121487Q

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0122109AL

Audi A5 8T Engine Water Coolant Pipe Cooling Hose Line 2.0 Petrol 1K0122109AL

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5Q0122073AB

Audi A3 8V 2.0 TFSI Water Coolant Hose Tube Line Pipe 5Q0122073AB

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0122063G

Audi S3 8P 2.0 TFSI CDLA Petrol Engine Water Coolant Pipe Hose Line 1K0122063G

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06D121132A

Audi A4 B7 Water Coolant Flange Pipe Hose Line 2.0 TFSI 06D121133C

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 079121071CM

Audi RS6 C7 RS7 4G Engine Coolant Pipe Rear Left N/S 4.0 TFSI 079121071CM

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 079121081B

Audi S7 4G 4.0 TFSI Coolant Hose Engine Water Pipe Front Upper 079121081B

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 079121065P

Audi A4 B7 4.2 V8 Petrol Coolant Pipe Cooler Water Hose 079121065P

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0121407A

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

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 04E122447M

Audi Q3 8U Coolant Hose Tube Line Pipe 04E122447M

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059145736D

Audi A5 8T Turbine Lubrication Inlet Oil Feed Line Pipe 059145736D

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 03C121070L

Audi A3 8P Water Hose Radiator Coolant Pipe Line Petrol 03C121070L

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 079121036C

Audi RS4 RS5 B8 8T Engine Coolant Hose Pipe 4.2 V8 CFSA 079121036C

€37.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0122051CM

Audi S3 8P Water Hose Cooling Coolant Radiator Pipe Line 1K0122051CM

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5N0122051BG

Audi Q3 8U Coolant Hose Tube Pipe Line 5N0122051BG

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5N0122157BE

Audi Q3 8U Coolant Hose Tube Line Pipe Quick Release Coupling 5N0122157BE

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K0959501G

Audi A4 B8 Radiator Fan Relay Radiator Electrical Module Control Unit 8K0959501G

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5N0122101AP

Audi Q3 8U Coolant Hose Tube Line Pipe 5N0122101AP

€56.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 079121096T

Audi A5 S5 8T Oil Cooler Coolant Pipe Hose Tube Line 079121096T

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 6R0122101CA

Audi A1 8X Coolant Hose Water Pump Pipe Cooling Line 1.4 Petrol 6R0122101CA

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 04L121065

Audi A3 8V Engine Water Coolant Pipe Cooling Hose Line 04L121065

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06E121018A

Audi Q5 8R Auxiliary Water Pump Coolant Circulation Cooling Unit 06E121018A

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0121070BD

Audi TT 8J Water Hose Cooling Tank Coolant Pipe Line 1K0121070BD

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 4H0121449Q

Audi A6 C7 3.0 TDI CLAA Water Coolant Pipe Hose Line Tube 4H0121449Q

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06M121013

Audi A4 B9 A5 F5 Engine Water Pump Unit 06M121013

€37.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 04L121058H

Audi TT FV Q3 8U Water Hose Cooling Coolant Pipe Line 2.0 TDI Diesel 04L121058H

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 420121252AL

Audi R8 42 Additional Auxiliary Radiator Left N/S Cooling Unit 420121252AL

€237.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5Q0121619D-1

Audi A3 8V Skoda Octavia Mk3 Water Hoses Coolant Pipes Lines 5Q0122051DA

€56.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 80A819350AP

Audi Q5 FY Water Coolant Pipe Hose Line 2.0 TDI Diesel 80A819350AP

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8J0121051Q

Audi TT Mk2 8J 2.0 TDI Engine Water Coolant Pipe Hose Line 8J0121051Q

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5G0965567-1

Audi A1 8X Volkswagen Golf Mk7 Passat B8 Auxiliary Water Pump Coolant 5G0965567

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06H906517Q

Audi A3 8V 2.0 TFSI CZPB Oil Separator Breather Valve 06H906517Q

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06F121056C

Audi A1 8X A3 8P TT 8J VW Golf Mk5 Water Coolant Hose Pipe Line 06F121056C

€47.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 7L0965561L

Audi A4 B7 2.0 TDI Quattro Auxiliary Additional Water Pump 7L0965561L

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K1819376J

Audi A5 8T 2.0 TFSI Water Hose Cooling Coolant Radiator Pipe Line 8K1819376J

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059121512N

Audi A6 4G Q5 8R 2.0 TDI Diesel Water Hose Line Tube Pipe 1K0121096R 059121512N

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06E121111AL

Audi S4 B8 Engine Water Coolant Thermostat Housing 3.0 TFSI Petrol 06E121111AL

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059121054C

Audi A8 D4 3.0 TDI Diesel Coolant Water Hose Line Tube Pipe Engine 059121054C

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 059121005TX-1

Audi A7 4G Water Pump Coolant Circulation Cooling Unit 059121005TX

€47.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0122109

Audi A3 8P Water Hose Cooling Coolant Pipe Line 1K0122109

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 4H0819334L

Audi A8 D4 3.0 TDI Heater Hose Cooling Coolant Radiator Pipe Line 4H0819334L

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5Q0121064BB

Audi A3 8V Water Pipe Hose Engine Cooling Coolant Unit Line 5Q0121064BB

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8J0121073D

Audi TT 8J Water Coolant Cooling Pipe Hose Line 2.0 TFSI CCZA 8J0121073D

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 5N0122073AC

Audi Q3 8U Water Hose Cooling Radiator Coolant Pipe Line 5N0122073AC

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06M117015M

Audi S5 F5 Q5 FY Engine Oil Cooler Heat Exchanger 3.0 TFSI 06M117015M

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 05L122157AS

Audi A4 B9 A5 F5 Water Cooling Coolant Pipe Hose Line 2.0 TDI 05L122157AS

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06E121044M

Audi A6 C7 A4 B8 A7 4G A8 D3 Coolant Hose Line Tube Pipe 06E121044M

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 4G0819374L

Audi A6 C7 A7 4G Coolant Hose Pipe Line 3.0 TDI CVUA 4G0819374L

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 06K121075BF

Engine Coolant Pipe Audi A3 S3 8V 2.0 TFSI Water Cooling Hose Line 06K121075BF

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0121207AA

Engine Cooling Radiator Audi A3 8P Diesel Radiator Coolant Fan 1K0121207AA

€113.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 4F0121107AH

Audi A6 C6 Water Coolant Pipe Hose Line 2.0 TFSI 4F0121107AH

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 05L122157CG

Audi A4 B9 A5 F5 Engine Cooling Coolant Pipe Line Hose 2.0 TDI 05L122157CG

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8W0906088F

Audi A4 B9 2.0 TDI DETA Diesel Exhaust Gas Temperature Sensor 8W0906088F

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1K0122101JL

Audi TT UJ Upper Radiator Coolant Cooling Pipe Line Hose 2.0 Petrol 1K0122101JL

€23.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 8K0121036E

Audi A4 B8 A5 8T A5 S5 Radiator Coolant Hose Tube Line Pipe 8K0121036E

€23.95

Free delivery: Sep 21 – 24

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 21 – 24

If paid before 14:00

Part no. 04L121064AC

Audi A3 8V Engine Water Coolant Pipe Cooling Hose Line 04L121064AC

€28.95

Free delivery: Sep 21 – 24

If paid before 14:00

Part no. 1T0820036D

AUDI Q7 4L 3.0 TDI Quattro Coolant Electro Magnetic Valve Water Line 1T0820036D

€32.95

Free delivery: Sep 21 – 24

If paid before 14:00

...

Showing 298-396 of 1407 products