What othere head gasket fits a 2003 1.5ltr Kia Rio?

None...the 2003 Kia Rio had a 1.6L engine not a 1.5L

A 96 hp 1.5-litre from 2001 through 2002, then a larger version of the same engine, a 1.6-litre DOHC four-cylinder rated at 105 hp (78 kW), from 2003 through 2005