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

Make

Audi A6 C7 2.0 TDI CGLC Water Coolant Hose Line Tube Pipe 4G0122101G

Product currently unavailable

Part no. 8S0121283B

Audi TT FV Radiator Fan Air Guide Mount Bracket Left N/S 8S0121283B

Product currently unavailable

Part no. 4G0906088AH

Audi A4 B8 Exhaust Gas Temperature Sender Lambda Sensor Probe 4G0906088AH

Product currently unavailable

Part no. 8K1819350BB

Audi A4 B8 A5 8T 2.0 TDI Water Coolant Hose Pipe Line 8K1819350BB

Product currently unavailable

Part no. 3C0122101EM

Audi A3 8P 2.0 TDI Water Hose Radiator Coolant Pipe Line 3C0122101EM

Product currently unavailable

Part no. 4F0121101

Audi A6 C6 FL Coolant Water Quick Connect Heater Pipe Hose 4F0121101

Product currently unavailable

Part no. 8E0145806Q

Audi A4 B7 3.0 TDI Radiator Intercooler Charge Air Cooler Turbo 8E0145806Q

Product currently unavailable

Part no. 07K103495E

Audi RS3 8Y Oil Separator Engine Breather Valve 2.5 TFSI DNWC 07K103495E

Product currently unavailable

Part no. 8E0959455K

Audi A4 B6 B7 Radiator Fan Engine Motor Cooling 8E0959455K

Product currently unavailable

Part no. 04L121026Q-1

Audi TT FV A3 8V Water Pump Thermostat Housing Pipe Connector 04L121026Q

Product currently unavailable

Part no. 8W0906088AD

Audi Q7 4M Diesel Exhaust Gas Temperature Sensor 3.0 TDI 8W0906088AD

Product currently unavailable

Part no. 059121031S

Audi A6 C8 A7 4G Q7 4M Coolant Pump Pulley Water Pump Wheel 3.0 TDI 059121031S

Product currently unavailable

Part no. 04L121065CC

Audi Q3 8U Water Coolant Pipe Hose Line 2.0 TDI 04L121065CC

Product currently unavailable

Part no. 06A121065DP

Audi A3 8P 1.6 MPI Water Pipe Coolant Supply Metal Hose 06A121065DP

Product currently unavailable

Part no. 5G0965567A

Water Pump Audi A1 8X Volkswagen Golf VII 1.4 TSI Coolant Pump 5G0965567A

Product currently unavailable

Part no. 06K115243F

Audi A4 B8 TT FV 8S Oil Pressure Control Valve Unit 1.8 TFSI CJEB 06K115243N

Product currently unavailable

Part no. 059121065FL

Audi A4 B9 Q7 4M 3.0 Diesel Coolant Water Hose Line Tube Pipe 059121065FL

Product currently unavailable

Part no. 5N0122063D

Audi Q3 8U Electric Water Pump Additional Coolant Pump 5N0122063D

Product currently unavailable

Part no. 03C121497D

Audi A3 8P Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C121497D

Product currently unavailable

Part no. 3C0122101FS

Volkswagen SEAT Skoda Audi Water Coolant Pipe Line Hose 3C0122101FS

Product currently unavailable

Part no. 8E0145738D

Audi A4 B7 3.0 TDI BKN Turbo Intercooler Pipe Hose Line Tube 8E0145738D

Product currently unavailable

Part no. 8R0819374D

Audi Q5 8R Coolant Hose Pipe Water Line Tube 2.0 TDI 8R0819374D

Product currently unavailable

Part no. 4G0121403D

Audi A6 C7 Expansion Tank Header Coolant Reservoir Bottle 4G0121403D

Product currently unavailable

Part no. 5N0121070AC

Audi Q3 8U Water Cooling Coolant Pipe Hose Line 2.0 TDI Diesel 5N0121070AC

Product currently unavailable

Part no. 1K0121086AC

Coolant Hose Audi A3 8P VW Golf 5 Seat Leon 2 Diesel 2.0 Tdi BMN 1K0121086AC

Product currently unavailable

Part no. 5N0122051CD

Audi Q3 8U Coolant Hose Pipe Line Tube Quick Release Coupling 5N0122051CD

Product currently unavailable

Part no. 8K0121276A-1

Audi A4 B8 A5 8T Coolant Radiator Rubber Mount Holder Bracket Set 8K0121276A

Product currently unavailable

Part no. 5Q0959455AH

Audi A3 8V S1 8X Engine Cooling Fan Radiator Fan Blower 5Q0959455AH

Product currently unavailable

Part no. 1K0122051HD

Audi A3 8P VW Scirocco Mk3 2.0 TDI Diesel Radiator Coolant Hose Pipe 1K0122051HD

Product currently unavailable

Part no. 4G0121109

Audi A6 C6 Allroad Coolant Hose Line Pipe Tube 4G0121109 4G0122293G N90687001

Product currently unavailable

Part no. 06M103515H

Audi S5 F5 Engine Oil Separator Breather Valve 3.0 TFSI Petrol 06M103495P

Product currently unavailable

Part no. 6R0121447P

Audi A1 8X 1.2 TFSI CBZA Radiator Water Coolant Pipe Hose Line 6R0121447AJ

Product currently unavailable

Part no. 5N0921051A

Audi A3 8P 2.0 TDI Water Hose Radiator Coolant Pipe Line 5N0921051A

Product currently unavailable

Part no. 8K0121055E

Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line Diesel 8K0121055E

Product currently unavailable

Part no. 5WA121070C

Audi A3 8Y Coolant Water Hose Line Tube Pipe 5WA121070C

Product currently unavailable

Part no. 4F0121101G

Audi A6 C6 Water Hose Cooling Radiator Coolant Pipe Line 4F0121101G

Product currently unavailable

Part no. 8E0959501L

Audi A4 S4 B7 Radiator Fan Radiator Electrical Module Control Unit 8E0959501L

Product currently unavailable

Part no. 8K0121109K

Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line 8K0121109K

Product currently unavailable

Part no. 07K121499K

Audi RS3 8Y Water Pipe Engine Cooling Coolant Hose Line 2.5 TFSI 07K121499K

Product currently unavailable

Part no. 079133240AR

Audi S7 4G8 Vacuum Solenoid Coolant Line Tube Hose Pipe 4.0 TFSI 079133240AH

Product currently unavailable

Part no. 04L121064T-1

Audi Seat Volkswagen Skoda Engine Coolant Pipe Hose Line 04L121064T

Product currently unavailable

Part no. 8K0121403T

Audi A4 B8 A5 8T Expansion Tank Header Coolant Reservoir Bottle 8K0121403AC

Product currently unavailable

Part no. 8K0121003N

Audi A4 B8 Q5 8R Engine Cooling Radiator Fan Shroud Coolant Panel 8K0121003N

Product currently unavailable

Part no. 059121086BD

Audi A4 B9 Q7 4M 3.0 Diesel Engine Coolant Water Pipe Hose Line Tube 059121086BD

Product currently unavailable

Part no. 8K0121405M

Audi A5 8T Expansion Tank Header Coolant Reservoir Bottle 8K0121405M

Product currently unavailable

Part no. 8R0121049J

Audi Q5 8R 2.0 TDI Coolant Water Hose Cooling Unit Line Tube Pipe 8R0121049J

Product currently unavailable

Part no. 7H0819196

Volkswagen Transporter T5 Cooling Water Hose Coolant Pipe Line 2.5 TDI 7H0819196

Product currently unavailable

Part no. 8K0121109AA

Water Hose Audi A5 8T A4 B8 Cooling Coolant Radiator Pipe Line 8K0121109AA

Product currently unavailable

Part no. 8E0959455H

Audi S4 B7 4.2 Petrol Engine Cooling Radiator Coolant Fan Right O/S 8E0959455H

Product currently unavailable

Part no. 079121085N

Audi S7 4G8 Coolant Pipe 4.0 TFSI Petrol Right O/S Cooler Water Hose 079121085N

Product currently unavailable

Part no. 7L6121058AR

Audi Q7 4L VW Touareg Engine Coolant Hose Pipe Tube Line 7L6121058AR

Product currently unavailable

Part no. 079965561

Additional Water Pump Audi S6 C7 S7 4G8 4.0 TFSI Water Coolant Unit 079965561

Product currently unavailable

Part no. 057121111B

Audi Q7 4L 4.2 TDI Diesel Engine Water Coolant Thermostat Housing 057121111B

Product currently unavailable

Part no. 059121399

Coolant Hose Audi A6 C6 A4 B7 Q7 4L Diesel Left N/S Pipe Line Tube 059121399

Product currently unavailable

Part no. 8K0121207B-1

Audi A4 B8 Radiator Fan Engine Motor Cooling Coolant Unit 8K0121003Q

Product currently unavailable

Part no. 80A121405T

Audi Q5 FY Expansion Tank Header Coolant Reservoir Bottle 80A121405T

Product currently unavailable

Part no. 059121065BK

Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line 2.7 TDI 059121070M

Product currently unavailable

Part no. 07K117021G-1

Audi RS3 8Y Engine Oil Cooler Coolant Unit 2.5 TFSI Petrol 07K117021G

Product currently unavailable

Part no. 8K0121207A

Audi A4 B8 Engine Cooling Radiator Double Coolant Fan Diesel 8K0121207A

Product currently unavailable

Part no. 8K0121081T

Audi S5 8T Water Hose Overflow Tank Coolant Pipe Line 4.2 TFSI 8K0121081T

Product currently unavailable

Part no. 7L6122447BJ

Audi Q7 4L Engine Coolant Hose Pipe Line Tube 7L6122447BJ

Product currently unavailable

Part no. 04L122157AB

Audi A4 B9 2.0 TDI DETA Diesel Water Coolant Hose Line Pipe Tube 04L122157AB

Product currently unavailable

Part no. 5WA145838

Audi S3 8Y VW Golf Mk8 Water Cooling Coolant Radiator Pipe 2.0 TFSI 5WA145838

Product currently unavailable

Part no. 1K0121157AG

VW Audi Seat Skoda 1.9 BXE TDI Diesel Water Hose Coolant Line 1K0121157AG

Product currently unavailable

Part no. 038121071S

Audi A4 B7 1.9 TDI Water Hose Cooling Coolant Radiator Pipe Line 038121071S

Product currently unavailable

Part no. 8K0122101G

Audi A5 8T Heater Water Cooling Coolant Pipe Hose Line 8K0122101G

Product currently unavailable

Part no. 1K0121251BK

Audi A3 8P Coolant Radiator Engine Cooling Unit 2.0 Diesel BMN BUY 1K0121251BK

Product currently unavailable

Part no. 059121670G-1

Audi A7 4G8 Cooling Hose Coolant Pipe Line 059121086BG

Product currently unavailable

Part no. 038121065BH

Audi A4 B7 1.9 TDI Water Coolant Pipe Hose Line Tube 038121065BH

Product currently unavailable

Part no. 8E0121284

Audi A4 B7 Radiator Air Duct Guide Right O/S 8E0121284AC

Product currently unavailable

Part no. 7L6122051AC

Audi Q7 4L Engine Coolant Hose Tube Line Pipe Quick Release Coupling 7L6122051AC

Product currently unavailable

Part no. 5Q0121251GQ

Audi Q2 GA A3 8V Coolant Radiator Engine Cooling Unit 1.4 Petrol 5Q0121251GQ

Product currently unavailable

Part no. 8W0121405E

Audi A4 B9 A5 F5 Expansion Tank Water Coolant Bottle Reservoir 8W0121405E

Product currently unavailable

Part no. 06H121497A

Audi A5 8T Turbine Cooling Hose Line Pipe 06H121497A

Product currently unavailable

Part no. 06A103212A

Audi A3 8P Water Hose Cooling Radiator Coolant Pipe Line 1.6 Petrol 06A103212A

Product currently unavailable

Part no. 8E0260707BK

Audi A4 B7 2.0 TDI Air Conditioning A/C Refrigerant Pipe Hose Line 8E0260707BK

Product currently unavailable

Part no. 06H115251M

Audi A5 8T 2.0 TFSI CDNB Oil Suction Line Tube Pipe Hose 06H115251M

Product currently unavailable

Part no. 5Q0122073CE

Volkswagen Passat B8 Water Coolant Hose Tube Line Pipe 2.0 TDI 5Q0122073CE

Product currently unavailable

Part no. 5N0122101T

Audi Q3 8U Water Hose Cooling Coolant Radiator Pipe Line 5N0122101T

Product currently unavailable

Part no. 4G0122055H

Audi A7 4G8 3.0 TDI CRTE Radiator Coolant Water Pipe Hose Line Tube 4G0122055H

Product currently unavailable

Part no. 03G121157B

Audi A4 B7 A6 Avant Coolant Hose PIpe Line 03G121157B

Product currently unavailable

Part no. 5Q0121113F

Audi Q7 4M Water Coolant Thermosat Regulator Valve 5Q0121113F

Product currently unavailable

Part no. 8XA121331B

Audi A1 S1 GB 8X Water Coolant Radiator Seal Cover Bracket Left N/S 8XA121331B

Product currently unavailable

Part no. 8R0122101S

Audi Q5 8R Water Coolant Pipe Hose Line 8R0122101S

Product currently unavailable

Part no. 5Q0121251HA

Audi A3 S3 8V Engine Cooling Radiator Coolant Unit Petrol 5Q0121251HA

Product currently unavailable

Part no. 4M0611931BF

Audi Q7 4M Volkswagen VW Touareg CR7 Coolant Hose Pipe 4M0611931BF

Product currently unavailable

Part no. 5Q0121070AB

Audi VW Seat Petrol Coolant Hose Water Pump Pipe Cooling Line 5Q0121070AB

Product currently unavailable

Part no. 6X0973802A

Audi A6 C7 2.0 Diesel Temperature Sensor Wire Harness 6X0973802A

Product currently unavailable

Part no. 5WA122101AM

Audi S3 8Y 2.0 TFSI Coolant Water Hose Line Tube Pipe Connector 5WA122101AM

Product currently unavailable

Part no. 8K0317818DM

Audi A5 8T 3.0 TDI Oil Pipe Line Tube Hose Automatic Gearbox 8K0317818DM

Product currently unavailable

Part no. 4K0819377S

Audi A6 C8 Engine Cooling Coolant Drain Pipe Hose Tube Line 4K0819377S

Product currently unavailable

Part no. 8R0121036A

Audi Q5 8R Heater Water Cooling Coolant Pipe Hose Line 8R0121036A

Product currently unavailable

Part no. 6R0959455G

Audi A1 8X 1.6 TDI CXMA Diesel Radiator Cooling Fan Shroud 6R0959455G

Product currently unavailable

Part no. 1K0122051FD

Audi A3 8P 1.8 2.0 TFSI Petrol Radiator Coolant Pipe Hose Line 1K0122051FD

Product currently unavailable

Part no. 07K117021G

Audi RS3 8Y RSQ3 F3 Engine Oil Cooler Coolant Unit 2.5 TFSI Petrol 07K117021G

Product currently unavailable

Part no. 8K0819334AM

Audi A4 B8 2.0 TFSI CDNC Petrol Engine Coolant Hose Line Tube 8K0819334AM

Product currently unavailable

Part no. 06F121492L-1

Audi TT 8J 2.0 TFSI Turbo Coolant Return Pipe Hose Line 06F121492L

Product currently unavailable

Part no. 8W0145670G

Audi A4 B9 A5 F5 Water Coolant Hose Pipe Line 2.0 TDI 8W0145930H 8W0145670G

Product currently unavailable

Part no. 5Q0121407M

Audi A3 8V Expansion Header Overflow Coolant Bottle Tank Reservoir 5Q0121407M

Product currently unavailable

...

Showing 1090-1188 of 1263 products