This ALTERNATOR (DENSO) assembly utilises eight Nut Hex, 5mm(s) - the highest specified component.
Parts such as the Alternator (denso): Nut Hex, 5mm, Nut Hex. 6mm, Bearing, Rear, Screw are included in the Civic 2003 (3) 3dr Si Side Srs (ka) Alternator (denso) parts fiche.
The most reasonably priced component used on the Civic 2003 (3) 3dr Si Side Srs (ka) Alternator (denso) is the Nut Hex. 6mm.