A gasket is one of the most important parts of your vehicle that you may not have heard about. This is a tiny little seal that sits between metallic components and prevents anything from coming in or going out.
As Metal heats up and cools down, it might warp or change its shape slightly. This change of shape can cause a lot of problems in certain automotive components. For example, a slight change of shape could actually prevent your engine from working completely. The gasket sits between the engine block and the cylinder head, where it is responsible for preventing any combustion gases from escaping. This keeps the internal combustion engine running smoothly, which is why these small items are so crucial.
A gasket is usually made from a thin sheet of metal that is in the shape of whatever it is covering. This is why the gasket for your engine block looks exactly like that block. It has the same shape, and it is essentially like a small millimeter expansion of that block.
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