The most reasonably priced component used on the Civic 2003 (3) 4dr Ex Side Srs (ka) Front Grille is the Screw,tapping,4x16.
On this parts fiche the Screw Tapping,(po is the most specified component.
Parts such as the Front Grille: Base,fr Gr*r518p*, Base,fr G*yr528m*, Push Nut 3mm, Clip, Bpr A are included in the Civic 2003 (3) 4dr Ex Side Srs (ka) Front Grille parts fiche.