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 W177 W247 C118 Coolant Hose Water Line OM654 Diesel A6542032801

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Mercedes W205 W213 M274 Coolant Reservoir Expansion Tank Petrol A2742000385

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Water Hose Mercedes W211 CLS W219 Engine Coolant Cooling Pipe Line A2118302596

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Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line Left N/S A2055010182

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Mercedes W177 M282 Petrol Engine Water Hose Coolant Pipe Line A2822032600

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Part no. A2205000049

Mercedes-Benz CL S Class C215 W220 Coolant Expansion Tank Bottle A2205000049

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Mercedes W910 OM651 Diesel Coolant Thermostat Housing Unit A6512001100

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Coolant Hose Mercedes W447 OM651 Radiator Engine Water Cooling Line A4475010482

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Mercedes W204 W205 W212 W213 M274 Petrol Coolant Thermostat Housing A2742000615

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Mercedes X253 Water Hose Radiator Coolant Cooling Pipe Line A2535015101

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Mercedes W212 OM642 Water Hose Cooling Coolant Pipe Line A2125010925

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Water Hose Mercedes W211 W219 OM642 Engine Coolant Cooling Pipe Line A2118327794

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Mercedes Vito W639 Diesel OM646 Coolant Water Thermostat A6112031975

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Mercedes W205 M264 Petrol Radiator Coolant Pipe Line Tube Hose A2642007500

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Mercedes W205 Water Hose Engine Coolant Cooling Pipe Line A2055011700

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Mercedes C117 W176 Water Coolant Expansion Tank Reservoir M133 A1332000285

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Water Hose Mercedes W213 C238 C253 C257 Diesel OM654 Coolant Line A2135015501

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Coolant Hose Mercedes W204 Petrol M274 Engine Cooling Water Line A2742001682

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Coolant Hose Mercedes GLE W166 C292 OM642 Water Cooling Line A1668303800

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Part no. A2055010725

Mercedes W205 Radiator Coolant Cooling Hose Pipe Line A2055010725

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Part no. A1635000075

Mercedes W163 Engine Water Circulation Hose Tube Line Pipe ML 350 A1635000075

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Part no. A1772030064

Mercedes W205 C63 AMG Water Coolant Line Shut-Off Valve M177 A1772030064

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Part no. A2722030782-1

Mercedes S212 C207 Coolant Hose EGR Line Water Circulation A2722030782

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Part no. A2055018184

Mercedes W205 C43 Oil Cooler Water Pipe Coolant Hose Line M276 V6 A2055018184

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Coolant Pipe Mercedes W212 W218 Expansion Overflow Tank Cooling Hose A2125015782

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Mercedes W204 Water Hose Coolant Cooling Pipe Line A6462030982

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Mercedes W907 Intercooler Charge Air Cooler Bracket Holder Support A6541410040

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Part no. A6082000300

Mercedes W177 OM608 Diesel Engine Coolant Cooling Pipe Line Hose A6082000300

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Water Hose Mercedes W203 W209 M272 Expansion Tank Coolant Pipe Line A2035016382

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Part no. 289355520R

Mercedes Vito W447 Engine Cooling Thermostat Water Coolant Pipe OM622 289355520R

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Mercedes W907 Auxiliary Water Pump Coolant Hose Line Pipe 9078306901

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Mercedes C117 W176 AMG Water Coolant Pipe Hose Line M133 A1330106800

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Mercedes W204 W212 Radiator Engine Cooling Fan Shroud Motor A2045000393

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Mercedes W221 Water Hose Radiator Coolant Cooling Pipe Line A2215010225

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Mercedes W253 W213 C238 Coolant Hose Line Tube Pipe A2134300229

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Throttle Bracket Mercedes W202 R170 M111 Intake Manifold Throttle Body Mount

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Thermostat Housing Mercedes W204 W213 C238 C257 W222 Diesel OM656 A6562002200

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Part no. A6562002100

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Mercedes W176 Coolant Hose Heater Line to Water Pump Return A2468302996

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Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line Petrol A2055016100

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Part no. 8571621

Water Hose BMW X3 F25 X4 F26 Diesel Cooling Coolant Radiator Pipe Line 3168490

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Mercedes W168 OM668 Diesel Thermostat Coolant Housing A6682030275

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Mercedes W176 W246 Heat Exchanger Water Coolant Hose Pipe Line A2468308800

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Coolant Hose Mercedes W251 Diesel OM642 Water Pump Radiator Line A2515018482

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Bleed Hose Mercedes W205 Coolant Expansion Tank To Radiator Line A2055017601

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Mercedes W176 W246 Water Coolant Pump Engine Cooler M270 Petrol A2702000000

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Mercedes W169 W245 A B 180 200 CDI Engine OM640 Water Pump Pulley A6402020211

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Mercedes W177 OM608 Diesel Engine Coolant Thermostat Pipe Line Hose A6082000600

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Part no. A6082000600

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Coolant Hose Mercedes W204 W906 Diesel OM651 Thermostat Connector A6512030300

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Part no. A6512030300

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Mercedes W177 Gearbox Temperature Sensor Control A7009050500

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EGR Exhaust Cooler Mercedes W176 W246 Heat Exchanger OM607 Diesel 147350364R

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Mercedes-Benz W164 W211 W212 OM642 Diesel Engine Coolant Water Pump A6422002201

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Water Pump Mercedes W203 W211 W212 Auxiliary Coolant Pump A0005000386

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Mercedes W205 Radiator Oil Cooler Transmission A2052703500

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Mercedes-Benz Vito Viano W639 OM646 EGR Exhaust Gas Cooling Pipe A6461400208

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Coolant Hose Mercedes C238 M256 Expansion Tank Radiator Line A2575011100

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Mercedes W177 Auxiliary Coolant Water Pump Water Cooling Unit A0005000586

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Mercedes W176 Water Cooling Coolant Pipe Hose Line 1.6 Petrol A2702031582

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Mercedes C205 Water Pump Clamp Mount Bracket Holder Support A2055013101

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Mercedes C218 C218 W221 Water Coolant Control Valve M273 A2722000054

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Mercedes W169 W245 Water Coolant Hose Pipe Radiator A1698301596

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Mercedes-Benz A B W169 W245 Radiator Water Cooling Pipe Hose Bottom A1695010182

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Mercedes W176 W246 OM607 Coolant Thermostat Housing Cooling Unit A6072000215

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Part no. A6395017482

Water Hose Mercedes Vito Viano W639 Cooling Coolant Pipe Line OM651 A6395017482

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Water Pipe Mercedes W204 M271 Engine Cooling Radiator Coolant Hose A2044661381

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Coolant Hose Mercedes W204 W212 OM651 Diesel Heater Water Pipe A6512031482

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Mercedes W205 W213 C238 W257 OM654 Auxiliary Coolant Water Pump A0005000900

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Part no. A2049060212

Mercedes W204 W212 Radiator Engine Cooling Fan Shroud Motor A2049060212

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Mercedes W205 274920 Engine Coolant Thermostat Petrol Housing Unit A2742000215

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Part no. A1635010182

Mercedes W163 Engine Radiator Hose Tube Line Pipe ML 350 112970 A1635010182

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Bleed Line Mercedes W213 Diesel M656 Coolant Water Hose A2575012900

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Heater Coolant Hose Mercedes C253 W213 Water Pump Heater Line A2538308801

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Coolant Hose Mercedes C238 Turbo Cooling Return Line A2762006051

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Water Hose Mercedes W204 C207 W212 W205 W213 M274 Coolant Line Pipe A2742031202

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Mercedes W176 M133 45 AMG Coolant Pipe Hose Line Tube A1332000551

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Mercedes W176 M133 A45 AMG Coolant Water Pipe Hose Line Tube A1332000582

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Part no. A0005000185

Mercedes W221 W906 Radiator Coolant Water Drain Plug Cap Stop Screw A0005000185

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Mercedes W204 W212 Water Pipe OM651 Engine Cooling Coolant Hose Line A2125018282

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Mercedes C216 W212 S212 Water Hose Coolant Cooling Pipe Line A2223270044

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Part no. A1191552835

Mercedes C140 Idler Belt Pulley Water Pump 1191552835

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Water Pump Holder Mercedes W221 Diesel OM656 Coolant Pump Bracket A6562032200

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Mercedes W164 OM642 Diesel Thermostat Coolant Housing Cooling Unit A6422000215

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Mercedes W639 Coolant Expansion Tank Reservoir Bottle A6395010203

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Part no. A2048304496

Mercedes C204 S04 W204 Recirculation Pump Hose Tube Line Pipe A2048304496

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Mercedes W212 Coolant Pump Auxiliary Water Pump Water Circulation A0005001686

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Mercedes C118 Water Coolant Pipe Hose Line A6542032901

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Mercedes W447 M651 Diesel Water Coolant Pipe Cooling Hose A6512033482

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Part no. A1332000382

Mercedes W176 Water Hose Heat Exchanger Thermostat Pipe A45 AMG A1332000382

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Mercedes W906 OM646 Water Coolant Heater Return Hose Pipe Tube Line A9068322223

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Mercedes-Benz S W221 Diesel OM642 Water Coolant Cooling Pipe Hose A2218320423

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