Yes. And it includes the 'protective side moudlings' which were primed and ready for paint. It was a dealer-installed option in the US. The rear is also different and body color.

This one in particular was available for any LCII E53 from 09/03. The LCI's had a similar offering across all models as well.

Here's a solid shot from the catalog (note the missing door mouldings):

and others of LCI from other threads here:

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