Once upon a time a car needing a replacement engine would spell the end and you would need to fork out on a new model but now the availability of replacement engines means you can give your motor a new lease of life.

The engine is as you would expect one of the most crucial parts of a car, turning fuel into motion through a process know as internal combustion.

The availability of replacement engines has increased massive amounts in recent years and many now view an engine as a customisable feature of a vehicle.

The video below shows a 3D representation of how a car engine works and is put together.