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 Q5 8R 2.0 TDI Engine Water Coolant Pipe Hose Line Diesel 8R0819332N

Product currently unavailable

Part no. 5N0122051AT

Audi Q3 8U 2.0 TDI Engine Water Coolant Pipe Hose 5N0122051AT

Product currently unavailable

Part no. 8E0959455K

Audi A4 B6 B7 Radiator Fan Engine Motor Cooling 8E0959455K

Product currently unavailable

Part no. 06M103515F

Oil Separator Audi S4 B9 S5 5F 3.0 TFSI V6 Breather Valve 06M103515F

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. 059121111BM

Audi A7 4G8 3.0 TDI CZVA Diesel Engine Coolant Thermostat 059121111CR

Product currently unavailable

Part no. 7L0959455F

Audi Q7 4L Radiator Fan Engine Motor Cooling Fan 7L0959455F

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. 4M0611931BF

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

Product currently unavailable

Part no. 8K0317823B

Oil Pipe Audi A4 B8 A5 8T Diesel Gearbox Cooler Line 8K0317823B

Product currently unavailable

Audi A6 C8 A7 4G Q7 4M Coolant Control Regulating Valve 3.0 Diesel 059121737AR

-40%

Part no. 059121737AR

Audi A6 C8 A7 4G Q7 4M Coolant Control Regulating Valve 3.0 Diesel 059121737AR

Product currently unavailable

Part no. 07K145735G

Audi RS3 8Y Turbocharger Turbo Oil Return Pipe Line 2.5 Petrol 07K145735G

Product currently unavailable

Part no. 5N0122073P

Audi Q3 8U Water Hose Cooling Radiator Coolant Pipe Line 5N0122073P

Product currently unavailable

Part no. 03L121157AE-2

Audi A6 S6 4G 4F Q5 8R Engine Coolant Pipe Hose Tube Line 2.0TDi 03L121157AE

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. 04L121065CC

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

Product currently unavailable

Part no. 1K0121251BN

Audi A3 8P Engine Intercooler Radiator 1K0121251BN

Product currently unavailable

Part no. 80A122101BS

Audi Q5 FY Water Coolant Pipe Hose Tube Line Diesel 2.0 Diesel 80A122101BS

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. 07K121492H

Audi RS3 8Y Engine Cooling Coolant Return Water Hose Line 2.5 Petrol 07K121497H

Product currently unavailable

Part no. 03C103465AA

Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C103465AA

Product currently unavailable

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

-5%

Part no. 03C121497D

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

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. 4F0121101Q

Audi A6 C6 Water Hose Cooling Radiator Coolant Pipe Line 2.0 TDI 4F0121101Q

Product currently unavailable

Part no. 8E0121044N

Audi A4 S Line Radiator Coolant Hose Line Pipe Tube Water Cooler 8E0121044N

Product currently unavailable

Part no. 6C0121253A

Audi A1 8X 1.6 TDI Engine Radiator Water Coolant Unit Cooler 6C0121253A

Product currently unavailable

Part no. 5Q0122157CL

Audi A3 8V 35 TDI Water Hose Cooling Radiator Coolant Pipe Line 5Q0122157CL

Product currently unavailable

Part no. 4K0145879AA

Audi A6 C8 Auxiliary Water Coolant Pump Mount Bracket Holder 4K0145879AA

Product currently unavailable

Part no. 4F0121109AN

Audi A6 C6 Radiator Top Hose Pipe Line 2.7 3.0 Diesel 4F0121109AN

Product currently unavailable

Part no. 059121507L

Audi Q7 4L Engine Coolant Cooling Hose Pipe Left N/S 3.0 TDI Diesel 059121507L

Product currently unavailable

Part no. 4K0819334L

Audi A6 C8 Radiator Heating Line Tube Pipe Hose 4K0819334L

Product currently unavailable

Part no. 06A145778Q

Audi TT 8N 1.8 T Oil Turbo Feed Pipe Line Tube Hose 06A145778Q

Product currently unavailable

Part no. 03C121050P

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

Product currently unavailable

Part no. 1K0122157D

Audi A4 B7 2.0 TDI Diesel Water Hose Cooling Coolant Pipe Line 1K0122157D

Product currently unavailable

Part no. 059121086AH-1

AUDI Q7 4L Quattro Diesel CRCA 3.0 TDI Coolant Hose Water Hose Line 059121086AH

Product currently unavailable

Part no. 8E0959455P

Audi S4 B7 Engine Cooling Radiator Coolant Fan Left N/S 4.2 Petrol 8E0959455P

Product currently unavailable

Part no. 5N0122447BA

Audi Q3 8U Coolant Hose Tube Pipe Line 5N0122447BA

Product currently unavailable

Part no. 1J0959455R

Engine Radiator Fan Audi TT 8N Seat Leon 1 VW Golf 4 Cooling Unit 1J0959455R

Product currently unavailable

Part no. 07K103495B

Oil Separator Audi RS3 8V TTRS 8S 2.5 TFSI DAZA Breather Valve 07K103495B

Product currently unavailable

Part no. 079121071CJ

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

Product currently unavailable

Part no. 079121012B

Audi A4 B7 4.2 V8 Water Pump Coolant Cooling Unit 079121012B

Product currently unavailable

Part no. 5Q0121070AP

Audi A3 8V Water Hose Engine Coolant Cooling Pipe Line 5Q0121070AP

Product currently unavailable

Part no. 07L121053E

Audi S6 C6 S8 D3 Quattro 5.2 FSI V10 BSM Coolant Pipe Hose Water Line 07L121053E

Product currently unavailable

Part no. 4F0959455A

Audi A6 C6 2.0 TDI CAGB Right O/S Engine Cooling Fan 200W 280MM 4F0959455A

Product currently unavailable

Part no. 5Q0121251GN

Skoda Octavia Mk3 Audi A3 8V Coolant Radiator 1.8 2.0 TFSI Petrol 5Q0121251GN

Product currently unavailable

Part no. 4K0265356AC

Audi A6 C8 A7 4K Coolant Pipe Hose Line 50 TFSIe 4K0265356AC

Product currently unavailable

Part no. 8K0122101G-1

Audi A4 B8 A5 8T Heater Water Coolant Pipe Hose Line 1.8 2.0 Petrol 8K0122101G

Product currently unavailable

Part no. 06N121497

Audi A4 B9 Coolant Hose Line Pipe 06N121497

Product currently unavailable

Part no. 06B121065

Audi A4 B7 1.8 T BFB Petrol Engine Coolant Return Pipe Hose Line 06B121065

Product currently unavailable

...

Showing 1387-1435 of 1435 products