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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BMW G11 G12 G20 G30 Water Heater Auxiliary Electrical Coolant 9873688

€51.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. 06K145778K

Audi Q3 2.0 TFSI CULB Oil Pipe Line Tube Hose 06K145778K

€23.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. 1674058380

Vauxhall Movano C Coolant Reservoir Expansion Tank Bottle 1674058380

€23.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. 2284880-1

BMW F06 F10 F12 Expansion Tank Radiator Coolant Overflow Fluid Bottle 2284280

€28.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. A6511801310-2

Mercedes Sprinter W906 Oil Cooler Radiator Oil Filter Bracket Diesel A6511801310

€56.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. A1694210594

Mercedes W245 Steering Knuckle Brake Hose Holder Front Left N/S A1694210594

€23.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. 4G0317021M

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

€23.95

Free delivery: Oct 12 – 14

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Part no. LR022731

Range Rover L322 Water Coolant Overflow Reservoir Bottle Tank BH42-8A080-AB

€28.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. 2Q0121407D

VW Polo Mk6 Audi A1 Mk2 GB Coolant Expansion Tank Reservoir Bootle 2Q0121407D

€23.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. 6G91-7A095-AD

Ford Focus Mk3 Mondeo Mk4 Engine Oil Cooler Radiator 2.0 TDCi 6G91-7A095-AD

€23.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. A0995002500

Oil Cooler Mercedes X253 W205 GLC220D Automatic Transmission Cooler A0995002500

€23.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. 03G145771Q

Audi A3 8P Diesel Engine Supply Feed Oil Hose Line Tube Pipe 03G145771Q

€37.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. FK72-8K218-AA

Land Rover Discovery Sport L550 Radiator Expansion Overflow Tank FK72-8K218-AA

€23.95

Free delivery: Oct 12 – 14

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Part no. A1332000185

Mercedes W176 C117 Expansion Tank Water Coolant Bottle Reservoir A1332000185

€51.95

Free delivery: Oct 12 – 14

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Part no. 1465175

Ford Transit Connect Mk1 Turbocharger Oil Pipe Line 1.8 TDCI 1S4Q-6K679-BC

€47.95

Free delivery: Oct 12 – 14

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Part no. A2052703500

Mercedes W205 Radiator Oil Cooler Transmission A2052703500

€89.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. 6C1Q8N039BD

Oil Cooler Hose Ford Transit MK7 Diesel 2.4 Tdci 6C1Q8N039BD

€23.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. A6461880301

Mercedes Benz C Class W203 OM646 Diesel Oil Cooler Heat Exchanger A6461880301

€23.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. 06H145771

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

€32.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. 4G0121403J

Audi A7 4G8 3.0 TDI CZVA Coolant Overflow Expansion Tank Bottle 4G0121403J

€32.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. 06K103495BL

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

€32.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. A4475000049

Mercedes W447 Expansion Tank Coolant Reservoir Bottle A4475000049

€47.95

Free delivery: Oct 12 – 14

If paid before 14:00

Part no. 7788293

BMW E60 E61 E64 LCI Cooling Water Expansion Tank Mount Bracket Support 7788293

€23.95

Free delivery: Oct 12 – 14

If paid before 14:00

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BMW E81 E87 E90 E92 Expansion Tank Bottle Coolant Radiator Tank Diesel 8570079

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BMW E81 E82 E84 E87 E90 E91 E92 Coolant Expansion Tank Radiator Petrol 7543026

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Expansion Tank Mercedes W639 Coolant Reservoir Bottle A6395010503

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

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BMW E46 X5 E53 X3 E83 Coolant Expansion Tank Radiator Header Reservoir 7573781

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BMW E60 E61 E63 E64 LCI Power Steering Oil Cooler Loop Cooling Line 7805593

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Expansion Tank BMW X5 F15 E70 X6 F16 Water Coolant Overflow Reservoir 7647290

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Mercedes W169 W245 OM640 CDI Oil Filler Neck Pipe Hose A6400100369

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

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Audi A3 8V 2.0 TFSI DJHA Oil Pressure Valve 06K115243T

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Volkswagen Golf MK5 Audi A3 8P Tdi Oil Filter Housing Oil Cooler 045115389E

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BMW E87 E90 E91 E92 Coolant Expansion Tank Bottle Petrol 7640514

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BMW E60 E61 E63 E64 LCI Cooling Water Expansion Tank Petrol 7521189

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Mercedes W176 W246 Coolant Expansion Tank Reservoir Bottle A2465000049

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Radiator Mount BMW F20 F21 F30 Module Carrier Radiator Right O/S 7600537

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

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Peugeot 207 Coolant Expansion Overflow Tank Cooling Fluid Bottle 9652621280

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Audi A5 S5 8T Expansion Tank Header Coolant Reservoir Bottle 8K0121405N

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Expansion Tank BMW F20 F21 F30 F32 Radiator Coolant Bottle Petrol 7642158

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BMW 1 3 5 Series E90N F10 F20 F30 Heat Exchanger Oil Cooler Diesel N47N 8507626

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VW Volkswagen Polo Mk5 Turbocharger Oil Return Pipe Line 1.4 Diesel 04B145771L

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BMW F30 LCI 330e B48X Coolant Expansion Tank Bottle 8617047

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BMW X3 E83 Radiator Expansion Tank Petrol Engine Cooling Unit E46 X5 E53 7573781

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BMW X3 E83 LCI Intake Tube Pipe Lubrication 1.8d 2.0d Diesel N47 Engine 7803076

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Mini Cooper D R55 R56 W16 Diesel Expansion Tank Radiator 2752592

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Mercedes Citan W415 OM607 Coolant Expansion Tank Reservoir Bottle 8200455786

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Mercedes W211 Power Steering Fluid Oil Cooler Cooling Line A2114661524

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Opel Zafira Insignia A 2.0 Cdti Oil Cooler Inlet Pipe Hose 55488382

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BMW 3 Series E90 E91 320d M47N2 Oil Cooling Pipe Inlet And Outlet Hose 7804145

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Expansion Tank BMW X3 G01 F97 X4M F98 Coolant Overflow Reservoir Bottle 8742660

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Door Lock Renault Trafic Siliding Loading Mechanism Cable Linkage 8200904016

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Oil Cooling Pipe BMW E60 E61 520d M47N2 Gearbox Hose Radiator Cooler 7800488

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Mercedes W176 A45 AMG Vacuum Line Pipe Tube Hose A1330104500

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Audi Q7 4L Radiator Air Duct Air Guide Frame Bracket Front Left N/S 4L0117335F

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BMW E81 E87 E90 E91 E92 Coolant Expansion Tank Reservoir Diesel 7810592

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Mercedes W251 Air Suspension Tank Reservoir A2513200015

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Audi A5 8T Turbine Cooling Hose Line Pipe 06H121497A

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BMW X1 F48 F45 Mini F55 F56 F60 Expansion Tank Coolant Reservoir Bottle 8687503

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Audi TT 8N 1.8T AUM Turbo Oil Return Pipe Hose Line Tube 06A145735AA

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Volkswagen VW Transporter T5 Power Steering Fluid Expansion Tank Bottle

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BMW 7 Series E65 E66 Cooling Water Expansion Tank Petrol 7508008

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BMW E46 X3 E83 X5 E53 Automatic Expansion Tank Radiator Header 7573781

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Mercedes W447 OM622 Diesel Engine Oil Separator A6260104300

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Expansion Tank Renault Trafic 3 Vivaro B Coolant Reservoir Bottle 217101893R

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Audi TT 8N Low Pressure Return Power Steering Pipe Line 3.2 Petrol 8N0422885F

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BMW X5 E53 Coolant Expansion Water Tank Mounting Radiator Holder Bracket 1438819

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Expansion Bottle BMW E81 E82 X1 E84 E87 E90 E91 E92 Tank Radiator Diesel 7810592

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