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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BMW G20 Water Pump Engine Coolant Pump Carrier 8650987

£47.95

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Audi A4 B8 A6 C7 A8 D3 Cooling Fluid Coolant Pump 3.0 Petrol Engine 06E121016

£94.95

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Audi A6 C7 Additional Auxiliary Water Coolant Pump With Mount 059121012A

£18.95

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BMW F07 GT F10 F11 F01 F02 X5 E70 LCI Mechanical Coolant Water Pump 8516435

£13.95

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Mercedes W176 W246 Water Coolant Pump Engine Cooler M270 Petrol A2702000000

£85.95

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Range Rover Velar L560 Water Pump Unit 2.0 Diesel Engine M8E2-8501-DB

£61.95

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Range Rover L405 Water Coolant Pump Engine Cooling Unit AL3Q-8501-CA

£23.95

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Mercedes W204 W209 W211 W212 Water Heater Valve Pump A2722000131

£13.95

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Mercedes W204 W164 W211 W212 C219 Water Pump Belt Pulley A1562050010

£42.95

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Mercedes W212 W222 Water Pump Coolant Circulation Control Unit A2118350028

£18.95

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Audi S8 D3 Additional Water Coolant Pump 4E0965559D

£47.95

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Mercedes W204 C207 W212 Water Circulation Pump OM651 A6512000031

£13.95

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BMW F10 F20 F25 F30 E84 E89 Engine Electrical Water Cooling Pump 7597715

£56.95

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BMW X3 G01 G20 G21 G42 Secondary Auxiliary Water Engine Coolant Pump 8651288

£47.95

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Mercedes W213 X253 W906 Water Coolant Pump Petrol M274 Engine A2742001407

£47.95

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BMW E90 E92 F01 F10 F12 Auxiliary Water Pump Engine N54 N55 Petrol 5A05704

£142.95

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BMW F20 F21 F30 F31 LCI F32 Support Bracket Water Pump Petrol B38 7644804

£28.95

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Audi A4 B7 Water Coolant Pump Engine Cooling Unit 2.0 Petrol 06F121011

£56.95

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Mechanical Water Pump Volkswagen Polo 6R Engine Coolant Unit Pump 03D121005

£13.95

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Mercedes W207 OM642 Diesel Engine Auxiliary Cooling Water Pump R642201110

£28.95

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Additional Water Pump BMW F98 X4M G81 M3 G82 M4 Auxiliary Water Unit 8600286

£51.95

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Mini F54 F55 F56 F57 F60 Petrol Coolant Water Pump 8591719

£56.95

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

£18.95

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Range Rover Sport L494 Auxiliary Water Pump Unit 3.0 Diesel Engine EPLA-8501-EA

£28.95

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Audi A5 8T Additional Auxiliary Water Pump 059121004J

£23.95

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Ford Mondeo MK4 Focus MK2 1.8 TDCi Diesel Water Coolant Pump XS4U-8512-BA

£37.95

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Water Pump Pulley Mercedes W169 W245 M266 Petrol Engine Pulley A2662050010

£13.95

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Additional Water Pump Peugeot 308 508 Diesel Engine Coolant Unit 7.04386.05

£23.95

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BMW F10 F11 F01 F25 N52N N53 Coolant Electrical Water Pump 7583836

£89.95

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Audi A6 C7 A7 4G SQ5 8R 3.0 TDI CGQB Coolant Water Pump Unit 059121008

£28.95

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Mercedes W205 Water Pump Shutoff Valve Unit M274 Petrol Engine A2742000231

£32.95

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Water Pump Pulley Mercedes W169 W245 M266 Petrol Engine Pulley A2662050010

£13.95

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Mercedes C140 Idler Belt Pulley Water Pump 1191552835

£94.95

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BMW 5 6 7 E60 E63 E65 740i 550i 650i 740i Coolant Water Pump Thermostat 7586779

£13.95

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BMW E60 E63 E65 740i 550i 650i 740i Coolant Water Pump Thermostat 7586779

£32.95

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Additional Water Pump BMW F07 F10 F11 X3 F25 Diesel Engine Coolant Unit 8843815

£23.95

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Mercedes W213 Diesel Engine Coolant Water Pump Housing Cover A6542000001

£28.95

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Audi A7 4G Water Pump Coolant Circulation Cooling Unit 059121005TX

£37.95

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Audi A3 8P 2.0 TDI CFFB Diesel Coolant Water Pump 03L121031B

£13.95

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Ford Fiesta Mk5 2.0 Petrol Water Pump 1S7G-8501-CB 2026506

£42.95

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Mercedes C205 Water Pump Clamp Mount Bracket Holder Support A2055013101

£23.95

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Mercedes W176 Water Pump Coolant Unit A45 M133 Petrol A1332000400

£170.95

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Ford Transit Custom 2.0 EcoBlue A YLF6 Water Pump KK2Q8501AC

£18.95

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Mercedes W212 Coolant Pump Auxiliary Water Pump Water Circulation A0005001686

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Audi RS5 F5 Engine Water Pump Coolant Cooling Unit Pump 06M121013D

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Land Rover Range Rover Sport L494 Coolant Water Pump 3.0 SDV6 Diesel LR089625

£80.95

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Ford Transit Mk8 Additional Auxiliary Water Pump 2.0 Diesel KK31-18D473-AC

£32.95

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BMW F98 Auxiliary Coolant Water Pump 8686899

£94.95

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BMW E90 E92 F01 F10 F12 Auxiliary Water Pump N54 N55 Petrol Engine 5A05704

£132.95

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Ford Transit Mk8 Water Pump Pulley Coolant GK3Q-8509-CA

£28.95

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Audi A4 B8 Auxiliary Water Coolant Pump Mount Bracket 2.0 TDI 04L965559

£18.95

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Water Pump Bracket BMW X5 M F97 X6 M F98 Holder Mount Engine Auxiliary 8073054

£18.95

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Fiat Ducato Mk3 Additional Auxiliary Water Coolant Pump 52163464

£99.95

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Water Pump BMW F45 Mini F60 B38X Hybrid Electric Auxiliary Coolant Unit 8643397

£32.95

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Porsche Cayenne 9PA 3.0 TDI Auxiliary Additional Water Pump 7L0965561L

£23.95

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Audi A3 8P 3.2 BMJ Petrol Engine Water Coolant Pump 022121011

£37.95

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Mercedes W166 Engine Cooling Coolant Water Pump A6512000200

£94.95

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Mercedes W176 W246 Auxiliary Secondary Coolant Water Pump A2465040040

£13.95

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BMW X1 F48 Mini F55 F56 Water Pipe Connector Water Pump Petrol Engine 8631940

£13.95

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Audi A5 8T 2.0 TFSI CDNB Additional Auxiliary Water Pump 06H965561

£18.95

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Volkswagen Transporter T5 Auxiliary Water Coolant Pump 2.0 TDI Diesel 7E0965561

£23.95

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Ford Transit Mk6 Mk7 Water Coolant Pump 2.4 Diesel 1715121

£18.95

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Mini Cooper One D R50 W17 Mechanical Coolant Water Pump 7790871

£13.95

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Ford Transit Mk8 Water Pump 2.0 TDCi GK3Q-8501-AC

£94.95

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Ford Transit Custom 2.0 EcoBlue Water Pump Coolant Pump GK2Q-8501-AD

£23.95

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Mercedes W639 Engine Water Pump Cooling Unit A6512003401

£94.95

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BMW Mini Cooper D F55 F56 F57 B37 Coolant Pump Support Engine Cooling 8586719

£47.95

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BMW i4 eDrive35 G26 Coupe Motor HA0 Electric Water Coolant Pump 9455034

£132.95

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Water Pump BMW F40 F45 F48 Mini F55 F56 B47 Coolant Unit 8585808

£118.95

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

£28.95

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Mercedes W205 C200 Water Pump Holder Bracket Petrol Engine M264 A2642031700

£18.95

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Range Rover Velar L560 Auxiliary Water Pump Unit 2.0 Diesel Engine M8A2-8B500-BB

£42.95

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Smart Fortwo 451 Water Pump Engine Coolant Unit M132 Petrol A1322000201

£28.95

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BMW F11 F20 F21 F30 F31 F32 F33 F36 LCI Water Pump Thermostat Housing 8478476

£13.95

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Ford Transit Connect Engine Water Coolant Pump 1.8 TDCI XS4U-8505-DA

£18.95

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Water Pump Holder Mercedes W212 Diesel OM651 Coolant Pump Bracket A2125013220

£28.95

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Water Pump Mini F55 F56 F57 Diesel Engine B37 Coolant Pump 8591068

£13.95

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Audi A4 S4 8K A5 S5 8F Auxiliary Coolant Water Pump Bracket Mount 03L121093F

£32.95

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Mercedes-Benz C W203 M111 C 180 Coolant Mechanical Water Pump A1112012301

£13.95

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Water Pump Mercedes W169 W245 M266 OM640 Heater Valve A2662000820

£13.95

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Engine Water Pump BMW F20 F21 LCI Diesel B37 Coolant Water Unit 8592238

£18.95

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£37.95

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Mercedes C216 W221 M156 E63 AMG Petrol Engine Water Pump A2215500038

£227.95

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Ford Mondeo Mk5 Water Coolant Pump 2.0 Hybrid DS78-8C419-AC

£104.95

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

£28.95

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

£123.95

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Land Rover Discovery L319 Water Circulation Pump 2.7 TDV6 9002986B

£18.95

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Water Pump Mini F55 F56 F57 B37 Diesel Mechanical Coolant Pump 8591068

£13.95

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Volkswagen Transporter T5 2.0 TDi Engine CAAA Water Pump 03L121011J

£13.95

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Audi A1 GB Seat Ibiza FR Water Coolant Pump Petrol Engine 1.0 TSI 05E121111AB

£37.95

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Ford Fiesta Mk8 Focus Mk4 ST Coolant Water Pump Unit HX7G-8501-AA

£47.95

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Mercedes C216 C218 W222 S212 Engine Cooling System Water Pump A1572000201

£180.95

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Mercedes W447 Diesel Engine Cooling Water Pump A6262000007

£28.95

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Water Pump BMW F30 F31 F32 F10 F11 X3 F25 N57N Engine Coolant Unit 8516205

£28.95

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

£28.95

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VW Volkswagen Golf 5G 1.0 1.2 1.4 TSI Engine Coolant Water Pump 04E121600CB

£18.95

Part no. 03C121019J

Volkswagen Golf Mk6 Audi A1 8X 1.4 Petrol Engine Water Pump 03C121019J

£18.95

Part no. 06E121005

Audi Q7 4L 3.0 TDI CASA Diesel Engine Coolant Water Pump 06E121005

£18.95

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Water Pump Holder Mercedes W177 Petrol M260 Coolant Pump Bracket A1775202100

£94.95

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