What kind of Ford do I have? Need fuel pump… What does L4. 2.0L Mean?

2000-2008 Ford Focus L4 2.0L…

The pump says good for cars above, I have Ford Focus 2000 SE Wagon 4 Door 16v Zetec engine, I THINK 4 cylnder… So how do I know if it is a " L4 2.0L "?

What does L4 2.0L Mean? I need a fuel pump cheap that will fit my car.

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