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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Mercedes W211 C253 Auxiliary Coolant Water Pump Water Cooling Unit A2118350364

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Mercedes W204 M271Petrol Water Pump Coolant Circulation Pump R2712010401

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Part no. A2045010224

Coolant Pipe Mercedes W204 M274 Oil Cooler To Radiator Coolant Hose A2045010224

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Part no. A4478350070

Mercedes W447 A/C Air Conditioning Con Radiator A4478350070

€61.95

Part no. A6400100369-2

Mercedes W169 W245 OM640 CDI Oil Filler Neck Cap A6400100369

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Mercedes W212 Radio Antenna Splitter Control Unit Module A4638203789

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Mercedes W212 Radio Antenna Splitter Control Unit Module A4638203789

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Mercedes W204 Coolant Cooler Water Thermostat A6512002700

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Mercedes W204 Coolant Cooler Water Thermostat A6512002700

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Part no. A2118350367

Mercedes W176 Additional Auxiliary Coolant Water Pump A2118350367

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Water Coolant Hose Mercedes W176 Diesel Water Pump Pipe Line A2468304900

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Part no. A2468304900-1

Water Coolant Hose Mercedes W176 Diesel Water Pump Pipe Line A2468304900

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Mercedes-Benz W210 S210 Water Heater Auxiliary Pump Holder Bracket A2108300414

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Mercedes-Benz W210 S210 Water Heater Auxiliary Pump Holder Bracket A2108300414

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Mercedes W205 Water Hose Engine Cooling Coolant Pipe Part A2055010700

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Mercedes W212 M156 E63 AMG Oil Cooler Coolant Pipe Hose Line A2122701296

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Mercedes W212 M156 E63 AMG Oil Cooler Coolant Pipe Hose Line A2122701296

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Part no. A1645060035

Mercedes X164 Engine Water Hose Tube Line Pipe M272 M273 5.5 Petrol A164506003

€23.95

Temperature Sensor Mercedes W246 W176 W212 OM651 Exhaust Gas Engine A0009058501

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Part no. A0009058501

Temperature Sensor Mercedes W246 W176 W212 OM651 Exhaust Gas Engine A0009058501

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Mercedes W205 Water Pipe Radiator Cooling Coolant Hose A2055018984

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Part no. A0005003600-3

Mercedes W177 W205 W213 C238 W257 Auxiliary Coolant Water Pump OM654 A0005003600

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Mercedes C205 OM651 Diesel Engine Water Coolant Pipe Hose Line Tube A2055014684

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Part no. A2185012882

Water Hose Mercedes C207 W212 W218 Engine Cooling Coolant Pipe A2185012882

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Part no. A6542007800

Mercedes Sprinter W907 OM654 Diesel Engine Coolant Water Pump A6542007800

€42.95

Part no. A2712001156

Mercedes-Benz C-Class W203 M271 Petrol Engine Coolant Flange A2712001156

€23.95

Mercedes W205 Engine Water Coolant Pipe Hose M271 Petrol A2712030382

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Mercedes ML W164 Radiator Expansion Tank Cap A0005018215

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Mercedes ML W164 Radiator Expansion Tank Cap A0005018215

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Water Pipe Mercedes W639 Engine Cooling Coolant Hose Line A6395017382

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Water Pipe Mercedes W639 Engine Cooling Coolant Hose Line A6395017382

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Coolant Hose Mercedes W176 C117 CLA A45 AMG Petrol M133 Water Line A1765010000

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Part no. A1765010000-1

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Mercedes H243 Water Hose Radiator Coolant Cooling Pipe Line A2435000500

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Part no. A2465050330

Radiator Air Duct Mercedes W176 W246 Baffle Guide Left N/S Cover A2465050330

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Coolant Bottle Mercedes W205 W232 W257 W447 Expansion Tank A2225000549

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Coolant Bottle Mercedes W205 W232 W257 W447 Expansion Tank A2225000549

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Mercedes-Benz C-Class W203 1 Air Conditioning Heat Exchanger Hose A2038302796

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Mercedes W212 M276 Coolant Fluid Inlet Connection Flange A2762000156

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Mercedes W205 Diesel OM651 Coolant Hose Circulation Pump Heating A2058301902

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Mercedes Vito W447 Water Coolant Hose Cooling Pipe Line A4478323623

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Coolant Pipe Connector Mercedes W213 H243 Hybrid Cooling Hose Link A2535014200

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Water Pipe Mercedes W204 OM642 Engine Cooling Radiator Coolant Hose A2045012982

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Mercedes W164 R251 Radiator Engine Water Cooling Coolant Unit Diesel A2515000803

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Mercedes Vito W447 OM622 Diesel Coolant Hose Water Pipe Line A4475014900

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Mercedes W447 Radiator Coolant Hose Cooling Pipe Bleed Line A4475014500

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Mercedes CL203 C215 W210 Petrol Engine Water Pump R1122010501

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Mercedes Sprinter W907 Bracket Console Cover Support Mount Left N/S A9078802400

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Mercedes W639 Water Line Fitting Hose Pipe A6422030182

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Part no. A4158304300

Mercedes W415 Heater Matrix Radiator Heat Exchanger Cooling 5F2110100

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Heating Line Mercedes W205 Return Water Hose To Circulation Pump A2058309005

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Heating Line Mercedes W205 Return Water Hose To Circulation Pump A2058309005

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Mercedes SLK R172 M271 Water Coolant Pipe Cooling Hose A1725011982 A1728320294

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Part no. A2762000401

Engine Water Pump Mercedes W204 W212 W221 W251 Coolant Water Unit A2762000401

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Part no. A2722000901

Water Pump Mercedes W203 M272 Petrol Coolant Circulation A2722000901

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Mercedes W907 Water Hose Engine Cooling Coolant Pipe A9075010200

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Part no. A2055010891-1

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055010891

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Mercedes W176 Petrol Engine M270 Coolant Thermostat A2702002200

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Mercedes W176 Petrol Engine M270 Coolant Thermostat A2702002200

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Heater Hose Mercedes Vito W639 OM646 Water Coolant Return Pipe A6398320793

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Mercedes W213 OM654 Diesel Water Coolant Cooling Pipe Line Hose A6542038700

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Mercedes W176 OM607 1.5 DCI Engine Water Pump Cooling Unit 210106113R

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Mercedes W176 OM607 1.5 DCI Engine Water Pump Cooling Unit 210106113R

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Mercedes R231 Coolant Cooling Hose Pipe Line Right OS A2315001075

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Part no. A2058300001

Mercedes W205 Water Hose Cooling Radiator Coolant Pipe Line A2058300001

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Part no. A1775010403

Mercedes W177 Coolant Expansion Tank Hose Pipe Line A1775010403

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Part no. A2114910041

Mercedes Benz C E Class W203 W211 Diesel Exhaust Holder Bracket A2114910041

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Thermostat Pipe Mercedes W204 M271 Petrol Flange Hose Line Coolant A2712030282

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Mercedes X253 GLC220D Front Beam Slam Panel Radiator Bracket A2536203800

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Mercedes W204 W212 Air Intake Hose Intercooler Charge Pipe Diesel A2125280882

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Mercedes W213 OM654 Diesel Water Coolant Cooling Pipe Line Hose A6542030102

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Mercedes GLC X253 Hybrid Battery Coolant Pipe Hose Line A2535015301

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Mercedes W221 Water Hose Radiator Coolant Cooling Pipe Line A2215010282

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Mercedes R172 Water Coolant Pipe Hose Line 250CDI BlueEfficiency A1725011225

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Mercedes-Benz M ML W164 Heater Radiator Coolant Pipe Hose Part A1645060835

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Coolant Hose Mercedes Vito W639 Heat Exchanger Water Pipe Diesel A6398305315

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Water Hose Mercedes CL203 W209 OM646 Engine Cooling Coolant Pipe A2095013382

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Part no. A6512001651-1

Mercedes W204 Engine Coolant Water Pump Pipe Line OM651 Diesel A6512001651

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Mercedes SLK R172 OM651 Engine Coolant Water Pipe Hose A1725014482

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Mercedes W169 W245 M266 Petrol Water Pump Pulley A2662020110

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Part no. A2209977182

Mercedes W220 Oil Cooler Flexible Pipe Hose Line M113 Petrol Engine A2209977182

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Mercedes R172 M274 Engine Distributor Tube Pipe Line Hose A1728302196

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Mercedes W169 W245 Gearbox Oil Cooler Automatic A1695000200

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Part no. A1695000200

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Hose Mercedes W166 M276 Coolant Heater Hose Heating Water Line A1668304096

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Mercedes W447 Diesel Circulation Pump Engine Molded Hose Line Pipe A4478320723

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Mercedes W205 W213 X118 Water Pump Engine Coolant Pump OM654 Diesel A6542001400

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Part no. A1725010358

Mercedes R172 Engine Radiator Coolant Hose Pipe A1725010358

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Water Pipe Mercedes W204 C207 W212 OM642 Cooling Coolant Hose Line A2048301096

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Mercedes W205 Water Hose Engine Cooling Coolant Pipe Line Tube A2055011191

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Mercedes W177 Water Hose Coolant Cooling Pipe Line A2602000051

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Mercedes X253 C253 Engine Coolant Water Pump Diesel OM651 A6512000002

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Mercedes W212 Radiator Coolant Hose Pipe Engine Cooling A2045011682

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Coolant Hose Mercedes W213 C238 Water Pump To Radiator A2385010601

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Mercedes W205 Intercooler Water Pipe Line Cooling Coolant Hose A2055018301

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Mercedes W203 M271 Oil Dipstick Guide Measure Level Rod Tube A2710100466

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Mercedes W204 W212 W221 OM642 Thermostat Water Coolant Diesel Heat Management

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Part no. A1728820006

Mercedes R172 Radiator Holder Carrier Mount Bracket Front Support A1728820006

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Mercedes W221 Hose Radiator Coolant Cooling Pipe Line A2215010725

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Part no. A2035015782

Mercedes-Benz C-Class W203 Kompressor Radiator Top Hose Pipe Petrol A2035015782

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Mercedes W204 Water Pump Hose Radiator Coolant Cooling Pipe Line A2712002452

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Part no. A2058301102

Mercedes W205 Engine Coolant Hose Pipe Tube Line A2058301102

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Mercedes W639 W906 EGR Exhaust Cooler Heat Exchanger OM651 Diesel A6511400275

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Part no. A2035040012

Mercedes W203 W204 W212 Radiator Rubber Bushing Mounting Support A2035040012

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Mercedes W205 Water Pipe Engine Cooling Coolant Hose Line OM651 A2055000900

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Mercedes W204 W212 Coolant Cooling Hose Pipe Line M272 Engine A2722030182

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Mercedes W212 Petrol Engine Coolant Water Pump Cooling Unit A2722001001

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Part no. A2049066802-4

Mercedes C117 W204 W212 C218 Radiator Blower Cooling Coolant Fan A2049066802

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Mercedes W447 Diesel Engine Cooling Water Pump A6262000007

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Mercedes W205 Intercooler Water Pipe Radiator Cooling Coolant Hose A2055010800

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Mercedes W169 W245 Water Coolant Hose Pipe A1698301696

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