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Car engine cooling system parts

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Cooling car parts - all important information about operating method, mounting, diagnostics and service life

An engine cooling system helps to keep the engine from overheating and thus keep its elements from harm. In modern vehicles, it carries heat away from hot engine components and warms air in the heater. It can also cool oil, exhaust gases, turbocharged air, and the transmission fluid in automatic gearboxes.

Car engine cooling system parts

Design of engine cooling systems

An engine cooling system consists of the following elements:

  • Coolant expansion tank. This is a reservoir for storing coolant. It is designed to compensate for coolant volume changes. The tank cap has a special valve used to regulate the pressure level in the cooling system.
  • Water pump. It ensures coolant circulation.
  • Radiator. This component is used to cool antifreeze. The fluid flow moves through thin pipes connected to metal fins for heat dissipation. Counter-current airflows pass between the fins, thus cooling the pipes and the fluid inside of them.
  • Fan. It produces additional airflow when the engine requires more intense cooling.
  • Thermostat. This component regulates the flow of fluid inside the system. When the engine is started when it’s cold, the valve of the thermostat is closed. The coolant moves along the small circuit without passing through the radiator. As soon as the engine reaches its operating temperature, the valve opens and the fluid starts flowing along the big circuit, including the radiator.
  • Hoses. These are used to connect components of an engine cooling system.
  • Sensors. These are used to control the system. For example, for switching the fan on automatically.

Maintenance tips

  • Only use high-quality coolant. Replace it on time. Old fluid may be contaminated with byproducts of wear and corrosion of the pump, as well as particles of damaged sealing elements.
  • Flush the cooling system when you change the coolant. Clean fluff, leaves, and sticky dirt from the outer part of the radiator every time you perform routine maintenance on the system. You may wash it with running water but not under pressure, as you might otherwise damage the radiator fins.
  • Do not drive with a low level of coolant. This may cause the engine to overheat.
  • Always remove airlocks from the engine cooling system.
  • Immediately replace cracked, deformed, or hardened hoses with new ones. Don’t wait until they start leaking.
  • Always observe the mixing ratio specified by the coolant manufacturer when diluting the coolant with water. The more water you add to the coolant, the higher its freezing point will be.

Signs of malfunction

Engine overheating can indicate such malfunctions. Defects of the engine cooling system such as a clogged radiator, a stuck thermostat valve, and a faulty pump impeller can be indicated by engine overheating. Sometimes, the engine may need more time to warm up to its operating temperature. This can be a symptom of the thermostat failure as well. If you notice a puddle (usually of green colour) beneath your car after parking for a prolonged time, this can be a sign of hoses cracked on account of the radiator corroding. A rapidly decreasing level of coolant in the expansion tank is another sign of leaks in the assemblies.

Сauses of malfunction

Hoses and pipes are subjected to normal wear and tear; they lose their elasticity and crack. Temperature fluctuations have a destructive effect on them. Sometimes these parts may become damaged when carrying out repairs or maintenance in the engine compartment. The radiator can easily be damaged by careless cleaning. Clogging might be a result of improper or frequent use of sealants and other additives. The systems which comprise both metal and aluminium parts are more prone to corrosion. Try not to combine such metal types in the same system.

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Useful information on functions, causes of malfunction, diagnosis and replacement intervals

Replacement of Cooling system car parts: Video repair guide

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Recommended spare parts from the Cooling system section. These are the sales hits. Buy our best sellling items or discover a vast selection of other attractive offers.

Buy Water pump and timing belt kit K025649XS GATES KP25649XS-1 - Cooling system parts online

Evaluation

R.C. 20.02.2024

It's a well known brand and recommended

J.G. 29.01.2024

it's a good make at a good price

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Parts Details
  • Supplementary Article / Supplementary Info: with water pump
  • Supplementary Info: FleetRunner™ PowerBand®
  • Observe technical data
  • GATES: Water pump and timing belt kit
  • Item number: KP25649XS-1
  • Our price: £ 116,21
  • Condition: New
Details
Water pump and timing belt kit
Article number: KP25649XS-1
£ 116,21
price incl. 20% VAT, excl. delivery costs
Buy Water pump and timing belt kit 5587XS GATES KP15587XS - Cooling parts online

Evaluation

S.T. 27.11.2021

Apparently best in the business

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Parts Details
  • Supplementary Article / Supplementary Info: with water pump
  • Supplementary Info: FleetRunner™ PowerBand®
  • Observe technical data
  • GATES: Water pump and timing belt kit
  • Item number: KP15587XS
  • Our price: £ 82,62
  • Condition: New
Details
Water pump and timing belt kit
Article number: KP15587XS
£ 82,62
price incl. 20% VAT, excl. delivery costs
Buy Radiator Hose VAICO V40-2000 - Engine cooling system parts online
Parts Details
  • Supplementary Info: Q+, original equipment manufacturer quality
  • Weight [kg]: 0,077
  • Packaging width [cm]: 10,1
  • Packaging height [cm]: 3,4
  • Packaging Depth [cm]: 16,2
  • VAICO: Radiator Hose
  • Item number: V40-2000
  • Our price: £ 5,60
  • Condition: New
Details
Radiator Hose
Article number: V40-2000
£ 5,60
price incl. 20% VAT, excl. delivery costs
Buy Water pump and timing belt kit 5598XS GATES KP15598XS - Cooling system parts online

Evaluation

K.C. 01.10.2023

I hear gates is a good make

A.C. 16.08.2023

Becouse a friend said its the best

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Parts Details
  • Supplementary Article / Supplementary Info: with water pump
  • Supplementary Info: FleetRunner™ PowerBand®
  • Observe technical data
  • GATES: Water pump and timing belt kit
  • Item number: KP15598XS
  • Our price: £ 86,03
  • Condition: New
Details
Water pump and timing belt kit
Article number: KP15598XS
£ 86,03
price incl. 20% VAT, excl. delivery costs
Water pump and timing belt kit VKMA 01250 SKF VKMC 01250-1 - Cooling spare parts order

Evaluation

S.B. 13.10.2023

Good manufacturer reputation

L.T. 16.08.2021

Great parts great prices

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Parts Details
  • Number of Teeth: 120
  • Supplementary Article / Supplementary Info: with gaskets / seals
  • Article number of the recommended special tool: VKN 1000
  • Supplementary Article / Supplementary Info Info 2: with studs
  • Belts: with rounded tooth profile
  • Water pump impeller material: Plastic
  • Belt Width [mm]: 30
  • SKF: Water pump and timing belt kit
  • Item number: VKMC 01250-1
  • Our price: £ 99,55
  • Condition: New
Details
Water pump and timing belt kit
Article number: VKMC 01250-1
£ 99,55
price incl. 20% VAT, excl. delivery costs
Water pump and timing belt kit K015577XS GATES KP25577XS - Engine cooling system spare parts order

Evaluation

P.R. 09.02.2024

they have a good reputation

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Parts Details
  • Supplementary Article / Supplementary Info: with water pump
  • Supplementary Info: FleetRunner™ PowerBand®
  • Observe technical data
  • GATES: Water pump and timing belt kit
  • Item number: KP25577XS
  • Our price: £ 67,41
  • Condition: New
Details
Water pump and timing belt kit
Article number: KP25577XS
£ 67,41
price incl. 20% VAT, excl. delivery costs
Water pump and timing belt kit VKMA 94920 SKF VKMC 94920-1 - Cooling system spare parts order

Evaluation

M.C. 24.09.2019

Profesional services and very good price

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Parts Details
  • Number of Teeth: 150
  • Supplementary Article / Supplementary Info: with gaskets / seals
  • Supplementary Article / Supplementary Info Info 2: with tensioner pulley damper
  • Belts: with rounded tooth profile
  • Water pump impeller material: Sheet Steel
  • Belt Width [mm]: 30
  • SKF: Water pump and timing belt kit
  • Item number: VKMC 94920-1
  • Our price: £ 148,40
  • Condition: New
Details
Water pump and timing belt kit
Article number: VKMC 94920-1
£ 148,40
price incl. 20% VAT, free delivery
Water pump and timing belt kit 5606XS GATES KP15606XS - Cooling spare parts order

Evaluation

M.T. 18.02.2024

Good quality product

A.S. 02.11.2023

always use Gates timing belts ,it's the done thing here in England, no concerns with this,

Show all reviews
Parts Details
  • Supplementary Article / Supplementary Info: with water pump
  • Supplementary Info: FleetRunner™ PowerBand®
  • Observe technical data
  • GATES: Water pump and timing belt kit
  • Item number: KP15606XS
  • Our price: £ 69,57
  • Condition: New
Details
Water pump and timing belt kit
Article number: KP15606XS
£ 69,57
price incl. 20% VAT, excl. delivery costs
Engine cooling system parts - Water pump and timing belt kit 5523XS GATES KP25523XS

Evaluation

J.C. 10.08.2020

gates are a good make for cambelts

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Parts Details
  • Supplementary Article / Supplementary Info: with water pump
  • Supplementary Info: FleetRunner™ PowerBand®
  • Article number of the recommended special tool: STT-1
  • Observe technical data
  • GATES: Water pump and timing belt kit
  • Item number: KP25523XS
  • Our price: £ 70,69
  • Condition: New
Details
Water pump and timing belt kit
Article number: KP25523XS
£ 70,69
price incl. 20% VAT, excl. delivery costs
Cooling system parts - Water pump and timing belt kit K015607XS GATES KP15607XS-1

Evaluation

C.S. 24.01.2024

Its perfect for what i need

Show all reviews
Parts Details
  • Supplementary Article / Supplementary Info: with water pump
  • Supplementary Info: FleetRunner™ PowerBand®
  • Observe technical data
  • GATES: Water pump and timing belt kit
  • Item number: KP15607XS-1
  • Our price: £ 110,24
  • Condition: New
Details
Water pump and timing belt kit
Article number: KP15607XS-1
£ 110,24
price incl. 20% VAT, excl. delivery costs
Cooling parts - Water pump and timing belt kit VKMA 01278 SKF VKMC 01278

Evaluation

L.D. 17.10.2022

the best quality and price

C.S. 26.09.2022

Skf are a well known brand

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Parts Details
  • Number of Teeth: 145
  • Supplementary Article / Supplementary Info: with gaskets / seals
  • Supplementary Article / Supplementary Info Info 2: with studs, with integrated disabling contact, switchable water pump
  • Number of bolts / screws: 4
  • Water Pump Type: for toothed belt drive
  • Water pump impeller material: Plastic
  • Belt Width [mm]: 25
  • Colour: Blue, Black
  • SKF: Water pump and timing belt kit
  • Item number: VKMC 01278
  • Our price: £ 196,89
  • Condition: New
Details
Water pump and timing belt kit
Article number: VKMC 01278
£ 196,89
price incl. 20% VAT, free delivery
Engine cooling system parts - Water pump and timing belt kit DAYCO KTBWP2961

Evaluation

R.C. 29.06.2022

Better than Gates kit. Great price also

A.M. 24.03.2021

Good value and oem for vw

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Parts Details
  • Weight [kg]: 2,7
  • DAYCO: Water pump and timing belt kit
  • Item number: KTBWP2961
  • Our price: £ 98,87
  • Condition: New
Details
Water pump and timing belt kit
Article number: KTBWP2961
£ 98,87
price incl. 20% VAT, excl. delivery costs
Cooling system parts - Water pump and timing belt kit 5627XS GATES KP15627XS
Parts Details
  • Supplementary Article / Supplementary Info: with water pump
  • Supplementary Info: FleetRunner™ PowerBand®
  • Observe technical data
  • GATES: Water pump and timing belt kit
  • Item number: KP15627XS
  • Our price: £ 58,11
  • Condition: New
Details
Water pump and timing belt kit
Article number: KP15627XS
£ 58,11
price incl. 20% VAT, excl. delivery costs
Cooling parts - Water pump and timing belt kit 5653XS GATES KP15653XS

Evaluation

C.A. 03.05.2021

it's a great value quality product

Show all reviews
Parts Details
  • Supplementary Article / Supplementary Info: with water pump
  • Supplementary Info: FleetRunner™ PowerBand®
  • Observe technical data
  • GATES: Water pump and timing belt kit
  • Item number: KP15653XS
  • Our price: £ 82,87
  • Condition: New
Details
Water pump and timing belt kit
Article number: KP15653XS
£ 82,87
price incl. 20% VAT, excl. delivery costs
Engine cooling system parts - Water pump and timing belt kit 5569XS GATES KP55569XS-4

Evaluation

M.G.M. 12.01.2024

no problems, had it installed for over a year. everything is good. no problems on fitting

D.H. 28.11.2020

recommended by my mechanic

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Parts Details
  • Supplementary Article / Supplementary Info: with water pump
  • Supplementary Info: FleetRunner™ PowerBand®
  • Observe technical data
  • GATES: Water pump and timing belt kit
  • Item number: KP55569XS-4
  • Our price: £ 94,23
  • Condition: New
Details
Water pump and timing belt kit
Article number: KP55569XS-4
£ 94,23
price incl. 20% VAT, excl. delivery costs