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How does a car radiator work?

The engine coolant that runs through the cooling system gets hot in the engine block. This liquid then flows through the radiator, where it gets cooled thanks to a system of small pipes and cooling fins (these are thin metal plates that conduct the heat). The cooled off liquid flows back into the engine to cool the engine. From there the process repeats itself.

Car radiator is leaking

Unfortunately, it may occur that the car radiator is leaking. This can be caused by, for example, stone chippings. Basically, there are two solutions to repair a car radiator leak. The first thing you can try is to seal the leak with car radiator sealant. This sealant is also called leak stop or stop leak. There are special liquids for radiator leaks from numerous brands such as Bar’s, Wynns and Liqui Moly, and one very suitable product is Wynn's Radiator Stop Leak. Please note that using Stop-Leak is, in general, a temporary solution. In most cases, the radiator needs to be replaced. This is at the same time also the second solution.

Car radiator replacement

You can replace a car radiator yourself, but keep in mind that this can easily take up to two hours. When replacing, ensure that the engine has properly cooled off. Also, use a cloth or tarp and a oil drain tray. Loosen the drain plug and remove the radiator hoses. Be aware, the coolant will come out so make sure to get your drip tray under there. Once it’s done dripping, start dismantling the radiator and replace it with the new one. Connect everything and top up the coolant. The last step is to turn the engine on so that it heats up and the coolant runs through your cooling system.

If you have your radiator replaced at your local garage, costs can easily run-up. Firstly, you need to pay for the parts itself. Subsequently, replacing it by a mechanic can also take 2 hours, which you need to pay for. And finally, you pay a lot more for new engine coolant at a local garage than if you would order it at Winparts. We at Winparts offer a 5 litres jug of coolant for as little as £ 10

Buying a new car radiator

When your car radiator needs to be replaced, come to us. Winparts UK offers car radiators cheaply, with deals for a new radiator for as little as £ 21. Please note that cars with a manual and automatic transmission need a different type of radiator. The same applies to a car with aircon or without air conditioning. Be sure that you purchase the right one. We recommend that you use our number plate check. Using the number plate check or selecting your car by make, model and engine type, the suitable products for your car will be displayed. It´s without saying that we offer top brands such as Van Wezel, Valeo, International Radiators, Behr Hella and Nissens.

Car radiator

The car radiator is part of the cooling system of your vehicle. The engine of the car needs to be cooled while driving, otherwise, it will overheat. The car's water pump ensures that the engine coolant is pumped through the engine, cylinders and radiator. Coolant enters the radiator warm, which then gets cooled using the wind. Unfortunately, leakage can occur, for example, due to stone chippings. This can be recognized by a puddle coolant underneath your car. You can buy a new car radiator from as little as £ 21 at Winparts, but of course, this depends on the make and type of your car.

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Cooler, drive battery

Type: Radiator
Core Length [mm]: 765
Core Width [mm]: 500
Material: Aluminium
Supplementary Article/Info 2: With add-on material
Heating / Cooling: For vehicles with combined radiator/ oil cooler
Warranty: 2 years
Radiator type: Soldered cooling fins
Core Depth [mm]: 23
Commercial warranty: 3-year commercial warranty