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 W906 Coolant Water Circulation Pump A6512001602

£23.95

Part no. A6512011509-1

Water Pump Housing Mercedes Sprinter W906 OM651 Diesel Coolant Pump A6512011509

£13.95

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Audi A3 8V TT FV 2.0 TFSI Volkswagen Golf 7 Petrol Water Pump Cover 06K109121B

£13.95

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

£18.95

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Audi S3 8Y 2.0 TFSI Volkswagen Golf 8 Petrol Water Pump Cover 06K109121E

£13.95

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Water Pump Mercedes W205 Diesel OM651 Engine Coolant Pump A6512006001

£13.95

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Mini Cooper F20 F30 R56 Mechanical Coolant Water Pump 7648827

£13.95

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Mercedes W176 Additional Auxiliary Coolant Water Pump A2118350367

£32.95

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Land Rover Discovery 3 L319 Water Pump Unit 2.7 V6 Diesel Engine 9002986C

£28.95

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Water Pump BMW F10 M5 F12 F13 M6 Additional Auxiliary Water Cooling Unit 2284291

£56.95

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BMW F20 F22 F30 F32 LCI B48 Petrol Coolant Water Pump 8638026

£37.95

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Water Pump BMW F45 F46 F48 Mini F56 F60 B47 Diesel Coolant Pump 8591069

£28.95

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Additional Water Pump BMW F10 F11 Bracket Holder Engine Coolant Unit 9239313

£18.95

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Land Rover Range L322 Coolant Water Pump Timing Belt Pulley 9H22-8610-AA

£13.95

Part no. 5Q0121599AA-1

Skoda Octavia RS VR Auxiliary Water Pump Coolant Circulation Cooling 5Q0121599AK

£47.95

Part no. 059121031L

Audi A4 B8 2.7 TDI Diesel Coolant Pump Pulley Water Pump Wheel 059121031L

£13.95

Part no. A6512002002

Mercedes W906 CDI Engine Water Pump Coolant Pump Diesel A6512002002

£18.95

Part no. A6542010110

Mercedes Sprinter W907 Water Coolant Pump Unit OM654.920 Diesel A6542010110

£47.95

Part no. 8592239

BMW F20 F21 LCI B37 Engine Block Water Coolant Pump Support Holder Mount

£28.95

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Mercedes W177 M282 Petrol Engine Water Pump A2822000600

£18.95

Part no. 8482250

Water Pump BMW X3 G01 G20 G30 Engine Coolant Pump 8482250

£42.95

Part no. 7834065

BMW E60 E61N LCI M5 E63 M6 Water Pump Pulley Engine Cooling 7834065

£23.95

Part no. A6292000201

Mercedes W164 OM629 Engine Cooling Water Pump A6292000201

£23.95

Part no. 06H121026BF

Audi A3 8P A4 B8 A5 8T Water Coolant Pump 1.8 TFSI Petrol 06H121026DS

£47.95

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Water Pump Mercedes W213 Diesel OM654 Engine Coolant Pump A6542010010

£18.95

Part no. BK3Q-8A558-CC

Ford Transit Mk8 2.2 TDCI Diesel Water Coolant Pump BK3Q-8A558-CC

£37.95

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BMW F40 F45 Mini Countryman F60 Auxiliary Water Pump Unit 9470972

£18.95

Part no. 06H121601K

Audi A4 B8 A5 8T Additional Water Pump Coolant Cooling Unit 06H121601K

£18.95

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BMW E60 M5 E63 E64 M6 E90 E92 E93 M3 Coolant Water Pump Mechanical 7838201

£37.95

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Audi Q7 4L Webasto Auxiliary Water Heater Air Filter Unit 7H0819617

£13.95

Part no. 7916194

BMW X2 F45 225xe F39 25xe MINI F60 Cooper SE ABS Pump 6882564 6882565

£123.95

Part no. A2045019482

Coolant Hose Mercedes W204 Petrol M274 Radiator Right O/S Water Line A2045019482

£28.95

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Audi Q3 8U Auxiliary Water Pump Electric Coolant Unit Valve 5Q0121591AN

£28.95

Part no. A2722000901

Water Pump Mercedes W203 M272 Petrol Coolant Circulation A2722000901

£28.95

Part no. 05E121111K

Volkswagen Golf Mk7 Water Coolant Pump Petrol Engine 1.5 TSI 05E121111K

£37.95

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Water Pump Seat ibiza 6J Audi A3 8V 1.4 TSI Auxiliary Coolant 04E121600AL

£18.95

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Mercedes R172 OM651 Auxiliary Water Pump Hose Pipe Line Tube A1728321094

£23.95

Part no. 04L965567A

Audi Q3 8U VW Scirocco Mk3 Golf Mk7 Auxiliary Water Pump 2.0 TDI 04L965567A

£32.95

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Coolant Water Pump Mercedes Vito W639 Diesel OM651 Mechanical Pump A6512001902

£37.95

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Coolant Water Pump BMW F10 M5 F06 F13 M6 S63N Mechanical Pump 7843738

£94.95

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Audi S5 8T Coolant Water Pump Thermostat Assembly 079121013P

£189.95

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BMW 5 6 SERIES E60 E61 E63 E64 LCi Additional Water Pump Bracket Holder 6922647

£13.95

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Mercedes W169 W245 M266 Petrol Water Pump Pulley A2662020110

£13.95

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Mercedes W212 Auxiliary Coolant Water Pump Water Cooling Unit A0002010340

£18.95

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Water Pump Mercedes W204 Petrol Engine M271 Coolant Pump A2712001001 R2712010201

£23.95

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Audi Q7 4L Webasto Auxiliary Water Heater Air Filter Unit Pipe 7H0819617

£13.95

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Audi A4 S4 B8 3.0 V6 Coolant Pump Pulley Water Pump Wheel Petrol 06E121031B

£18.95

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Ford Transit MK7 2.4 TDCI Diesel Water Coolant Pump 2U1Q8591AB

£23.95

Part no. A2702000000-4

Mercedes W176 W246 Water Coolant Pump Engine Cooler M270 Petrol A2702000000

£104.95

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Mercedes-Benz W163 W203 W210 OM611 OM612 Engine Coolant Water Pump A6112001201

£28.95

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Audi A8 S8 D3 Auxiliary Water Pump Electric Coolant Unit Valve 4E0959617C

£108.95

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Mercedes W176 W246 M270 Petrol Engine Water Coolant Pump A2702000600

£70.95

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

£13.95

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Mercedes W212 OM642 Diesel Engine Water Pump Coolant Water Unit A6422002101

£18.95

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BMW F20 F21 F30 F31 F32 Water Pump Support Bracket Mounting Petrol N55 7600672

£13.95

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Thermostat Water Pump BMW F20 F21 F30 F31 LCI B38 B48 Petrol Engine 7644811

£89.95

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VW Volkswagen Golf CD1 Engine Coolant Water Pump DTSB 2.0 TDI Diesel 01Q220802RT

£142.95

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Water Pump Volkswagen Polo 6R Audi A3 8P 1.2 Petrol Engine Coolant 03F121004E

£18.95

Part no. A2002000001

Smart C453 Coolant Water Circulation Pump M281 A2002000001

£28.95

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Mercedes W177 Water Pump Holder Petrol M260 Coolant Pump Bracket A1775047200

£94.95

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Ford Fiesta Mk8 Water Pump Pulley Wheel 1.5 Petrol EcoBoost GN1G-8509-AA

£18.95

Part no. LR080736

Land Rover Discovery Sport L550 Water Coolant Pump Unit 2.0 G4D3-8501-AE

£18.95

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Mercedes Vito W639 Coolant Water Pump Diesel OM651 Mechanical Pump A6512003301

£42.95

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Mercedes CL203 C215 W210 Petrol Engine Water Pump R1122010501

£23.95

Part no. 1766164

Ford Focus Mk3 Fiesta Mk7 Coolant Water Pump 1.0 EcoBoost CM5G-8501-FB

£13.95

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Water Pump Mercedes GLC X253 Diesel OM651 Engine Coolant Pump A6512000002

£94.95

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Range Rover Velar L560 Auxiliary Water Pump And Pipes 2.0 Diesel M8A2-18D473-DB

£170.95

Part no. R2722010601

Mercedes W211 C219 W221 M272 Petrol Water Coolant Pump R2722010601

£18.95

Part no. 8K0965567B

Audi A6 C8 Water Electric Pump Auxiliary Coolant Circulation 8K0965567B

£94.95

Part no. 2Q0965567B

Audi A3 8V Additional Water Coolant Pump 2Q0965567B

£18.95

Part no. 06H121010L

Audi A4 B8 A5 8T VW Scirocco Mk3 Engine Water Pump 2.0 TFSI Petrol 06H121010L

£113.95

Part no. 8678822

Water Pump BMW G20 G21 G30 G31 Thermostat Coolant Housing Petrol 8678822

£113.95

Part no. A6542001400

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

£47.95

Part no. 2003848

Ford Kuga Mondeo Water Pump Pulley 1.6 Petrol EcoBoost AE8Q-8509-AA

£18.95

Part no. 5A05704-3

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

£94.95

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VW Volkswagen Sharan 7N Auxiliary Water Pump Coolant Heating Valve 1K0965561F

£18.95

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Mercedes W212 Petrol Engine Coolant Water Pump Cooling Unit A2722001001

£118.95

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BMW i4 G26 Hybrid Electric Auxiliary Electrical Coolant Water Heater 5A8D9F9

£284.95

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Ford Fiesta Mk7 Coolant Water Pump Pulley Wheel Petrol CM5Q-8509-BB

£23.95

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Mercedes C204 C219 W204 W211 W221 63 AMG Engine Water Pump A1562000601

£123.95

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Mercedes Sprinter W907 OM654 Diesel Engine Coolant Water Pump A6542007800

£61.95

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Water Pump Bracket BMW F10 M5 F12 M6 1 Holder Mount Auxiliary Radiator 7846161

£18.95

Part no. 8671654

BMW F20 LCI F32 F45 G20 G30 Auxiliary Water Coolant Pump Petrol 8671654

£13.95

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Audi A4 B9 A6 C7 A7 4G Q7 4M Engine Water Coolant Pump 3.0 TDI 059121016C

£56.95

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Mercedes C207 Electric Auxiliary Coolant Water Pump A2048350264

£13.95

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Volkswagen Transporter T5 2.0 TDi Engine CAAA Water Pump 03L121011J

£23.95

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Mercedes C117 W176 Water Pump Coolant Unit CLA 45 4MATIC 2.0 Petrol A1332000400

£170.95

Part no. 5A05704-2

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

£94.95

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BMW E60 E61 E63 E64 Fastening Clamp Secondary Auxiliary Water Pump 6988961

£13.95

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Smart A453 Auxiliary Additional Water Pump H4B A4535000286

£32.95

Part no. 7H0965561

Volkswagen Transporter T5 Amarok 2H Auxiliary Water Pump 7H0965561

£23.95

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Mercedes W205 W274 Water Pump Coolant Colling Pump A2742000207

£85.95

Part no. A2048350264-1

Mercedes R172 W204 C207 Electric Auxiliary Water Circulation Pump A2048350264

£37.95

Part no. LR009324

Land Rover Discovery 3 L319 2.7 V6 276DT Water Coolant Pump 4R8Q-8501-BF

£18.95

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BMW 3 4 Series F80 M3 F82 F83 M4 Additional Water Pump Bracket Coolant 9322071

£13.95

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Mechanical Water Pump Renault Trafic II Diesel Engine Coolant Unit 8200332040

£18.95

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Audi RS3 8Y Water Pump Coolant Cooling Pump Mechanical 2.5 TFSI 07K121011N

£123.95

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BMW F20 F22 F30 F32 LCI B48 Engine Block Water Coolant Pump Support Holder

£13.95

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BMW X1 F48 Mini F55 F56 Support Bracket Coolant Water Pump Petrol Engine 8631940

£66.95

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