These are Engine parts Diagram which shows all main parts of Combustion Engine. If you are looking how an engine works or engine construction you can see the diagram and learn parts of engine here.
If you need to do engine gasket replacement the diagram below helps to you what and where are there gaskets on the engine.

You can find where are engine head gasket, collector gasket, water pump gasket, Rocker Cover Gasket, Intake Manifold Gasket, Oil Pan Gasket and all others gaskets of the engine.
This information may be usefull for you when you engine gasket leak. In such cases sometimes need head gasket replacement so lets go to know how much does it cost.

Sometimes the cost of head gasket replacement can run into the thousands dollars. But the average cost of head gasket replacement is around $1,000 to $1,500, and this isn’t because the parts are expensive. Mainly such cost explain by difficult repair.