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.

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Audi A3 S3 8V Water Hose Radiator Coolant Pipe Line 2.0 Petrol 06K121075P

€23.95

Part no. 06K103495BL

Audi A3 8V A4 B9 Engine Oil Separator Breather Petrol 2.0 TFSI DNUE 06K103495BL

€32.95

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Volkswagen Audi Seat Skoda Oil Filter Housing Cover 1.6 TDI 03N115389B

€23.95

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Audi S6 C7 S7 4G S8 D4 Water Coolant Pump Cover Lid 4.0 TFSI Petrol 079121010B

€56.95

Part no. 5N0122109AE

Audi Q3 8U Coolant Hose Radiator Cooling Water Pipe Line 5N0122109AE

€23.95

Part no. 8V0121109

Audi A3 RS3 8V 8Y Water Coolant Hose Pipe Hose Line 2.5 TFSI 8V0121109

€23.95

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Audi A4 B7 Turbocharger Water Coolant Pipe Hose Line 2.0 TFSI 06D121497A

€28.95

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Coolant Pipe Audi S1 8X S3 8V VW Golf R Mk7 2.0 TSI TFSI Water Hose 5Q0122157AB

€23.95

Part no. 1K0122101JM-1

Audi TT Black E VW Golf GTI 5K Coolant Hose Pipe Line 2.0 Petrol 1K0122101JM

€23.95

Part no. 8W0819011A

Audi A6 C8 Additional Radiator Auxiliary Heater Element 8W0819011A

€23.95

Part no. 059121111L

Audi A4 B7 2.7 TDI BPP Diesel Engine Thermostat Housing 059121111L

€23.95

Part no. 079121071BN

Audi A5 S5 8T 4.2 V8 FSI Solid Coolant Pipe Water Hose Line 079121071BN

€28.95

Part no. 7L0121276A-1

Audi Q7 4L VW Touareg 7L Upper Radiator Rubber Mount Bush Grommet X2 7L0121276A

€28.95

Part no. 4G0122101AE

Water Hose Audi A4 B8 A6 C7 2.0 TDI Cooling Radiator Pipe Line 4G0122101AE

€23.95

Part no. 06H145771

Audi A4 B8 Turbocharger Oil Feed Tube Pipe Line Hose 1.8 TFSI Petrol 06H145771

€32.95

Part no. 04L121071E

Audi A3 8V VW Golf Mk7 Thermostat Housing Coupling 2.0 TDI 04L121071E

€23.95

Part no. 1J0959481A

Audi TT 8N Radiator Fan Switch Temperature Sensor 1J0959481A

€23.95

Part no. 5N0121447Q

Audi Q3 8U Water Coolant Pipe Hose Line 2.0 TDI 5N0121447Q

€23.95

Part no. 7L6121212B

Audi Q7 4L 4.2 TDI Diesel Additional Radiator Right O/S Auxiliary 7L6121212B

€37.95

Part no. 05L121011D

Audi A4 B9 Volkswagen Arteon 3H Engine Coolant Water Pump 2.0 TDI 05L121011D

€142.95

Part no. 4G0317021M

Audi A7 A6 4G Gearbox Oil Cooler 3.0 Diesel 4G0317021M Automatic Transmission

€23.95

Part no. 8W0959455AD

Audi A6 C8 Engine Cooling Radiator Fan Shroud Motor Unit 8W0959455K

€104.95

Part no. 8K0121049AF

Audi A4 B8 2.0 TDI Water Coolant Hose Tube Line Pipe 8K0121049AF

€23.95

Part no. 420121232

Audi R8 42 Coolant Cooler Unit Bracket Mount Holder Support Right O/S 420121232

€28.95

Part no. 8K0121003P-2

Audi A4 B8 Q5 8R Engine Cooling Radiator Fan Shroud Coolant Unit 8K0121003P

€113.95

Part no. 5N0122051BL

Audi Q3 8U Water Hose Cooling Radiator Coolant Pipe Line 5N0122051BL

€23.95

Part no. 06J133781BD

Audi TT 8J Water Hose Cooling Radiator Coolant Pipe Line 06J133781BD

€23.95

Part no. 06J103221-1

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

€23.95

Part no. 4H0121207C-1

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

€289.95

Part no. 059145771AC

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

€23.95

Part no. 06K115243R

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

€23.95

Part no. 8K1819376M

Audi A4 B8 2.0 TDI Diesel Engine CAHA Coolant Hose Heater Water Line 8K1819376M

€23.95

Part no. 057121073C

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

€23.95

Part no. 8K0819350A

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

€23.95

Part no. 4E0907658

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

€23.95

Part no. 059906088BJ

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

€28.95

Part no. 06L121075S

Audi A4 B9 A5 F5 Coolant Pipe Engine Cooling Water Hose 2.0 TFSI 06L121075S

€23.95

Part no. 8K0959455M

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

€32.95

Part no. 079121081

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

€28.95

Part no. 5N0122101AL

Audi Q3 8U Engine Coolant Hose Tube Line Pipe 2.0 TDI Quattro CFGC 5N0122101A

€23.95

Part no. 8K0121055B

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

€32.95

Part no. 4K0145910G

Audi A6 C8 Water Hose Coolant Cooling Pipe Line 4K0145910G

€23.95

Part no. 06J133519A

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

€23.95

Part no. 8W0819885B

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

€32.95

Part no. 06E121044L-1

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

€23.95

Part no. 4H0121276A

Audi A8 4H D4 Coolant Radiator Support Mounting Rubber Set X2 4H0121276A

€23.95

Part no. 06E121031D

Audi S4 B8 3.0 Petrol Coolant Pump Pulley Water Pump Wheel 06E121031D

€23.95

Part no. 1K0122101JQ

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

€85.95

Part no. 079121036D

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

€32.95

Part no. 079121055AC

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

€37.95

Part no. 03C121050P

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

€23.95

Part no. 06D121065L

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

€23.95

Part no. 059121465B

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

€32.95

Part no. 06K121075AS

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

€32.95

Part no. 06E121031E

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

€32.95

Part no. 079121065BR

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

€23.95

Part no. 4G0121601A

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

€42.95

Part no. 8W0959455

Radiator Fan Audi A5 F5 Engine Cooling Fan Motor Blades 400W 8W0959455

€246.95

Part no. 8W0145925P

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

€32.95

Part no. 06A121065AP

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

€23.95

Part no. 4G0819374G

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

€23.95

Part no. 8K1819376L

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

€23.95

Part no. 1K0122101DK

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

€28.95

Part no. 8W0145920M

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

€47.95

Part no. 059121507L

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

€32.95

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

Part no. 5Q0121070BR-1

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

€42.95

Part no. 06F121132G

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

€23.95

Part no. 8E0819376C

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

€51.95

Part no. 8R0121055H-1

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

€28.95

Part no. 079121070T

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

€32.95

Part no. 06E121044L-2

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

€23.95

Part no. 6R0121063

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

€23.95

Part no. 8W0121487Q

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

€23.95

Part no. 1K0122109AL

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

€23.95

Part no. 5Q0122073AB

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

€23.95

Part no. 1K0122063G

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

€23.95

Part no. 06D121132A

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

€23.95

Part no. 079121071CM

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

€23.95

Part no. 079121081B

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

€28.95

Part no. 1K0121407A

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

€23.95

Part no. 04E122447M

Audi Q3 8U Coolant Hose Tube Line Pipe 04E122447M

€32.95

Part no. 03C121070L

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

€23.95

Part no. 079121036C

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

€37.95

Part no. 1K0122051CM

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

€23.95

Part no. 5N0122051BG

Audi Q3 8U Coolant Hose Tube Pipe Line 5N0122051BG

€23.95

Part no. 04L122157BH

Audi A5 8T A6 C7 Engine Water Coolant Pipe Hose Line 2.0 TDI 04L122157BH

€32.95

Part no. 5N0122157BE

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

€23.95

Part no. 5N0122101AP

Audi Q3 8U Coolant Hose Tube Line Pipe 5N0122101AP

€56.95

Part no. 079121096T

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

€23.95

Part no. 6R0122101CA

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

€32.95

Part no. 04L121065

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

€23.95

Part no. 06E121018A

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

€23.95

Part no. 1K0121070BD

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

€28.95

Part no. 4H0121449Q

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

€23.95

Part no. 06M121013

Audi A4 B9 A5 F5 Engine Water Pump Unit 06M121013

€37.95

Part no. 8K0317826BC

Audi A4 B8 A5 8T Gearbox Oil Cooler Pressure Line Hose Tube Pipe 8K0317826BC

€80.95

Part no. 420121252AL

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

€237.95

Part no. 5Q0121619D-1

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

€56.95

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