What is the design and purpose of cooling system water pumps?

Cooling system water pumps are components responsible for forcing the circulation of coolant between the engine, radiator, and heater core. A typical pump consists of a housing, impeller, bearing, seal, and a drive part, which can be mechanical or electric. It is mounted directly near the engine, in a location depending on the design of the given unit.

What are cooling system water pumps used for?

Cooling system water pumps are used to maintain a constant flow of coolant throughout the circuit. Their task is to collect excess heat from the engine and direct it to the radiator, where the temperature is lowered. Without a functional pump, the system does not maintain stable operating conditions, which can lead to temperature fluctuations and overheating.

What is the design and function of a water pump impeller?

A water pump impeller is an internal working element responsible for giving the coolant the appropriate movement and flow direction. Its shape, material, and mounting method affect the efficiency of the entire pump and the smoothness of the system's operation. A damaged or worn impeller can reduce cooling effectiveness even when the outer pump housing shows no cracks.

How to choose a water pump for a specific car?

It is safest to compare the OEM part number, interchangeable numbers, fuel type, and engine version. It is also worth checking the drive type, the arrangement of mounting points, and whether the part comes with a housing or seal. Data on the brand, part condition, and compatibility with vehicle equipment are also helpful during selection.

What symptoms indicate a problem with the water pump?

The most common symptoms are an increase in engine temperature, coolant leaks, and noises coming from the area of the accessory or timing drive. In practice, temperature fluctuations and weaker interior heating also occur. These symptoms should be assessed together with the condition of the belt, thermostat, and the tightness of the entire system.

What should be paid attention to when installing a water pump?

Before installation, clean the contact surface, compare the new part with the old one, and use the correct seal provided by the manufacturer. It is also important to properly tension the belt and refill and bleed the coolant after finishing the work. After starting the engine, it is worth checking for leaks and the stability of the operating temperature.

Cooling system water pumps

At Global Parts, we offer a wide selection of original used car parts, including water pumps for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our water pumps undergo quality control to ensure you receive a top-quality product.

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Mercedes W176 OM651 Diesel Engine Water Pump Coolant Water Unit A6512004300

PLN 237.95

Free delivery: Nov 06

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Part no. A2118350367

Mercedes W176 Additional Auxiliary Coolant Water Pump A2118350367

PLN 142.95

Free delivery: Nov 06

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Part no. A2218300014

Mercedes-Benz S-Class W221 Additional Auxiliary Coolant Water Pump A2218300014

PLN 142.95

Free delivery: Nov 06

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Part no. A2702000000

Mercedes W176 W246 M270 Petrol Engine Water Coolant Pump A2702000000

PLN 522.95

Free delivery: Nov 06

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Part no. A6462001601

Mercedes-Benz Vito W639 Diesel OM646 Coolant Mechanical Water Pump A6462001601

PLN 46.95

Delivery: Nov 06

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Part no. A2662050010-1

Water Pump Pulley Mercedes W169 W245 M266 Petrol Engine Pulley A2662050010

PLN 51.95

Delivery: Nov 06

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Part no. A2722000401

Water Pump Mercedes W211 C207 W203 Petrol M272 Engine Coolant Pump A2722000401

PLN 142.95

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Part no. A6512002002

Mercedes W906 CDI Engine Water Pump Coolant Pump Diesel A6512002002

PLN 132.95

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Part no. A6512001902

Coolant Water Pump Mercedes Vito W639 Diesel OM651 Mechanical Pump A6512001902

PLN 189.95

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Part no. A6512002301

Mercedes Sprinter W906 Thermostat Water Coolant Pump OM651 Diesel A6512000801

PLN 75.95

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Coolant Water Pump Mercedes Vito W639 Diesel OM651 Mechanical Pump A6512003201

PLN 189.95

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Part no. A6422002101

Mercedes W212 OM642 Diesel Engine Water Pump Coolant Water Unit A6422002101

PLN 75.95

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Part no. A6462000301

Mercedes Benz C Class W203 OM646 Diesel Water Pump Motor A6462000301

PLN 66.95

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Mercedes W213 OM654 Diesel Engine Water Pump Coolant Water Unit A6542010010

PLN 99.95

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Mercedes W176 W246 Petrol M270 Engine Water Coolant Pump A2702000000

PLN 427.95

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Mercedes-Benz A B W169 W245 Pump Housing Water Pump Engine Cooling A6402010001

PLN 51.95

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Part no. A6512008301

Mercedes W176 W246 OM651 Diesel Water Coolant Pump A6512000501

PLN 142.95

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Part no. A0005000386

Water Pump Mercedes W203 W211 W212 Auxiliary Coolant Pump A0005000386

PLN 237.95

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Mercedes W205 W213 C238 W257 OM654 Auxiliary Coolant Water Pump A0005000900

PLN 379.95

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Water Pump Mercedes W176 W246 OM607 Engine Coolant Water Unit A6082001000

PLN 284.95

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Water Pump Mercedes W169 W245 M266 OM640 Heater Valve A2662000820

PLN 61.95

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

PLN 46.95

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